Main and EMERGENCY-STOP switches with defeatable door-coupling rotary actuator

The 3LD main and EMERGENCY-STOP switch with defeatable door-coupling rotary actuator enables you to conduct repairs, maintenance work or tests on electrical plants and machines without having to interrupt their operation. With the help of the defeatable door-coupling rotary actuator, an electrician can bypass the interlock in ON position and open the control cabinet door with the plant activated.

3LD main and EMERGENCY-STOP switches with defeatable door-coupling rotary actuator are approved according to UL508.

• With 300 mm switch shaft
• Lockable in 0 position with up to 3 padlocks
• Degree of protection at front panel IP65
• Door-coupling rotary actuator with integrated tolerance compensation
• Mounting using screws or snap-on mounting on 35 mm standard mounting rail
• Including terminal cover for the infeed side
• Front plate 65 mm x 65 mm

Defeatable door-coupling rotary actuators, 100A - 250A

For switch disconnectors with door-coupling rotary actuator, the following components from the 8UC7 series can be used to construct a defeatable door-coupling rotary actuator.

The following components are required:

• For switch disconnectors with 3LD2 7 and 3LD2 8 door-coupling rotary actuators:
  • 8UC71 10-1BB
  • 8UC71 20-3BB
  • 8UC6 011
• For switch disconnectors with 3LD2 3 and 3LD2 4 door-coupling rotary actuators:
  • 8UC72 10-1BB
  • 8UC72 20-3BB
  • 8UC6 012

See ordering data