MECHANICAL DRIVES DA-98

Mechanical drive DA980000

Type DA-98

For load break switch RV 44 (2-position switch on/off) with external earthing switch.

Function
– switches on and off the load break switch
– opens and closes the external earthing switch

Operation
– frontal, manual operation using a handle
– optional motorisation for remote command

Functioning
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 2 springs
– each spring operates its proper outgoing axis, with the axis ‘earth’ on the right
– direct mechanical coupling onto axis of the corresponding switch
– the axis ‘line’ switches the 2-position switch (on/off)
– the axis ‘earth’ switches the external switch (earth)
– using the manual handle the operator compresses the corresponding spring
– the spring expands upon passing a death point to operate the axis
– operating the handle in opposite sense allows for reverse switching

Properties
– guarantees switching independent from the operator’s agility
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– motor for switching the load break switch
– motor for switching the external earthing switch
– up to 6 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DA984100

Type DA-98 EDND

For load break switch RV 44 (2-position switch on/off) with external earthing switch.

Function
– switches on and off the load break switch
– opens and closes the external earthing switch

Operation
– frontal, manual operation using a handle
– optional motorisation for remote command

Functioning
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 2 springs
– each spring operates its proper outgoing axis, with the axis ‘earth’ on the right
– direct mechanical coupling onto axis of the corresponding switch
– the axis ‘line’ switches the 2-position switch (on/off)
– the axis ‘earth’ switches the external switch (earth)
– using the manual handle the operator compresses the corresponding spring
– the spring expands upon passing a death point to operate the axis
– operating the handle in opposite sense allows for reverse switching

Properties
– guarantees switching independent from the operator’s agility
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– motor for switching the load break switch
– motor for switching the external earthing switch
– up to 6 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DA985000

Type DA-98

For load break switch RV 44 (2-position switch on/off) with external earthing switch.

Function
– switches on and off the load break switch
– opens and closes the external earthing switch

Operation
– frontal, manual operation using a handle
– optional motorisation for remote command

Functioning
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 2 springs
– each spring operates its proper outgoing axis, with the axis ‘earth’ on the right
– direct mechanical coupling onto axis of the corresponding switch
– the axis ‘line’ switches the 2-position switch (on/off)
– the axis ‘earth’ switches the external switch (earth)
– using the manual handle the operator compresses the corresponding spring
– the spring expands upon passing a death point to operate the axis
– operating the handle in opposite sense allows for reverse switching

Properties
– guarantees switching independent from the operator’s agility
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– motor for switching the load break switch
– motor for switching the external earthing switch
– up to 6 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

OTHER MECHANICAL DRIVES DA-98: see for further explanation on our webshop

MECHANICAL DRIVES DP-99

Mechanical drive DP990000

Type D99

For the combination of a load break switch RV 44 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– frontal, manual operation using a handle
– with a button for manual switching off the 2-position load break switch
– optional motorisation for remote command

Functioning
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– using the manual handle the operator compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– using the manual handle the operator compresses the spring ‘earth’, which expands upon passing a death point to commute the earth; operating in opposite sense allows for reverse switching

Properties
– guarantees switching independent from the operator’s agility
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– motor for switching on the load break switch
– motor for switching the external earthing switch
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 6 auxiliary contacts on line (if not motorized)
– up to 6 auxiliary contacts on earth

Mechanical drive DP991001

Motorized mechanical drive

Type DP-99-M 24 VDC motorized on line

For the combination of a load break switch RV 44 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– with a button for manual switching off the load break switch
– frontal, manual operation using a handle or a motor

Functioning
– working principle identical to DP-99 mechanism
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– the motor compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– an auxiliary switch on the operating point blocks the motor when manually operated
– the exteral earthing is switched using a manual handle, by compressing the spring ‘earth’

Properties
– guarantees switching independent from the operator’s agility
– manual operation using a lever remains possible
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– motor for switching the external earthing switch
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 4 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DP991003

Motorized mechanical drive

Type DP-99-M 110 VAC motorized on line

For the combination of a load break switch RV 44 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– with a button for manual switching off the load break switch
– frontal, manual operation using a handle or a motor

Functioning
– working principle identical to DP-99 mechanism
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– the motor compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– an auxiliary switch on the operating point blocks the motor when manually operated
– the exteral earthing is switched using a manual handle, by compressing the spring ‘earth’

Properties
– guarantees switching independent from the operator’s agility
– manual operation using a lever remains possible
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– motor for switching the external earthing switch
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 4 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DP991004

Motorized mechanical drive

Type DP-99-M 110 VDC motorized on line

For the combination of a load break switch RV 44 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– with a button for manual switching off the load break switch
– frontal, manual operation using a handle or a motor

Functioning
– working principle identical to DP-99 mechanism
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– the motor compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– an auxiliary switch on the operating point blocks the motor when manually operated
– the exteral earthing is switched using a manual handle, by compressing the spring ‘earth’

Properties
– guarantees switching independent from the operator’s agility
– manual operation using a lever remains possible
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– motor for switching the external earthing switch
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 4 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DP991005

Motorized mechanical drive

Type DP-99-M 220 VAC motorized on line

For the combination of a load break switch RV 44 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– with a button for manual switching off the load break switch
– frontal, manual operation using a handle or a motor

Functioning
– working principle identical to DP-99 mechanism
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– the motor compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– an auxiliary switch on the operating point blocks the motor when manually operated
– the exteral earthing is switched using a manual handle, by compressing the spring ‘earth’

Properties
– guarantees switching independent from the operator’s agility
– manual operation using a lever remains possible
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– motor for switching the external earthing switch
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 4 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DP991006

Motorized mechanical drive

Type DP-99-M 48 VDC motorized on line

For the combination of a load break switch RV 44 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– frontal green button for switching on the load break switch (on)
– with a button for manual switching off the load break switch (off)
– frontal, manual operation using a handle for the earthing switch

Functioning
– working principle identical to DP-99 mechanism
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– the motor compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– an auxiliary switch on the operating point blocks the motor when manually operated
– the exteral earthing is switched using a manual handle, by compressing the spring ‘earth’

Properties
– guarantees switching independent from the operator’s agility
– manual operation using a lever remains possible
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– motor for switching the external earthing switch
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 4 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DP992201

DP-99-M motor 24 VDC on line and earth

Motorized mechanical drive

Type DP-99-M 24 VDC motorized on line and earth

For the combination of a load break switch RV 44 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– frontal manual operation with lever or motor
– with shutter button for manual switch-off of load-break switch

Functioning
– working principle identical to DP-99 mechanism
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– the motor compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– an auxiliary switch on the operating point blocks the motor when manually operated
– the exteral earthing is switched using a manual handle, by compressing the spring ‘earth’ or by means of the motor

Properties
– guarantees switching independent from the operator’s agility
– manual operation using a lever remains possible
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 4 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DP992202

DP-99-M motor 48 VDC on line and earth

Motorized mechanical drive

Type DP-99-M 48 VDC motorized on line

For the combination of a load break switch RV 44 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– frontal manual operation with lever or motor
– with shutter button for manual switch-off of load-break switch

Functioning
– working principle identical to DP-99 mechanism
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– the motor compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– an auxiliary switch on the operating point blocks the motor when manually operated
– the exteral earthing is switched using a manual handle, by compressing the spring ‘earth’ or by means of the motor

Properties
– guarantees switching independent from the operator’s agility
– manual operation using a lever remains possible
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 4 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DP992203

Motorized mechanical drive

Type DP-99-M 110 VDC motorized on line

For the combination of a load break switch RV4 4 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– frontal manual operation with lever or motor
– with shutter button for manual switch-off of load-break switch

Functioning
– working principle identical to DP-99 mechanism
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– the motor compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– an auxiliary switch on the operating point blocks the motor when manually operated
– the exteral earthing is switched using a manual handle, by compressing the spring ‘earth’ or by means of the motor

Properties
– guarantees switching independent from the operator’s agility
– manual operation using a lever remains possible
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 4 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DP992204

DP-99-M motor 110 VAC on line and earth

Motorized mechanical drive

Type DP-99-M 110 VAC motorized on line and earth

For the combination of a load break switch RV 44 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– frontal manual operation with lever or motor
– with shutter button for manual switch-off of load-break switch

Functioning
– working principle identical to DP-99 mechanism
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– the motor compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– an auxiliary switch on the operating point blocks the motor when manually operated
– the exteral earthing is switched using a manual handle, by compressing the spring ‘earth’ or by means of the motor

Properties
– guarantees switching independent from the operator’s agility
– manual operation using a lever remains possible
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 4 auxiliary contacts on line
– up to 6 auxiliary contacts on earth

Mechanical drive DP992205

DP-99-M motor 220 VAC on line and earth

Motorized mechanical drive

Type DP-99-M 220 VAC motorized on line and earth

For the combination of a load break switch RV 44 (2-position switch on/off) with fused protection and with an external earthing switch.

Function
– switches on and off the load break switch
– switches off the load break switch on command of a blown fuse
– opens and closes the external earthing switch

Operation
– frontal manual operation with lever or motor
– with shutter button for manual switch-off of load-break switch

Functioning
– working principle identical to DP-99 mechanism
– drive with 3 positions (on/off/earth) and 2 operating points
– mechanical drive with 3 springs
– 2 springs ‘line’ operate the same outgoing axis
– 1 spring ‘earth’ operates its proper axis situated on the right
– the axis ‘line’ commutes the load break switch (on/off)
– the axis ‘earth’ commutes the external earth switch (earth)
– the motor compresses both springs ‘line’
– 1 spring ‘line’ expands upon passing a death point to switch on the load break switch (on), the second spring ‘line’ remains tensioned
– switching off is effectuated by the 2nd spring ‘line’ upon command of a blown fuse, or by manual operation of the release button on the front panel, or by the action of a trip coil (option)
– an auxiliary switch on the operating point blocks the motor when manually operated
– the exteral earthing is switched using a manual handle, by compressing the spring ‘earth’ or by means of the motor

Properties
– guarantees switching independent from the operator’s agility
– manual operation using a lever remains possible
– 1 release button on the front panel; switching off is impossible by handle nor by motor
– 2 frontal position indicators, mechanically coupled onto the corresponding axis
– integrating all necessary interlocks to prevent erroneous operation
– includes interlock functionality for a door panel

Possible options factory mounted
– trip coil (1 or 2)
– electromechanical or electronic undervoltage coil
– up to 4 auxiliary contacts on line
– up to 6 auxiliary contacts on earth