17 – 2
17.1 Field installation of CLOSE / OPEN buttons blocking device
This interlock limits access to the circuit breaker's manual CLOSE and/or OPEN buttons. The blocking device only allows access to the
manual CLOSE and/or OPEN buttons via a small tool (1/8" diameter rod).
- OPEN the circuit breaker and discharge the closing spring (page 23-2)
- Move the circuit breaker into the withdrawn position in the cradle (page 23-3)
- Remove front panel (page 23-4)
Then:
- Fit front panel (page 23-4)
DANGER
Hazardous voltage.
Will cause death, serious personal injury, or equipment damage.
Turn off and lock out all power supplying this device before working on this device.
WARNING
High speed moving parts.
Can cause serious personal injury.
Discharge the closing spring before inspection and before carrying out any work on the circuit breaker.
NOTICE
Damage to accessory.
Over-tightening the mounting screws may strip the plastic frame, or damage components, rendering the accessory unusable.
Hardware shall be tightened carefully until the underside of the screw head is flush with the mounting surface.
Mechanical interlock Order No.
Access block via CLOSE button (locking set) WLLKKT
OPEN
CLOSE
: 0.25“ (6,35 mm)
3
2
1
PZ 1
hand tighten
To Next Page
Loading...
Need help?
General
