Mitsubishi Electric C Series Handling And Maintenance page 71

(4) Extension handle
This handle makes easy the opening/closing operation of the circuit-
breaker.
Note 1. The extension handle, if used, shall be firmly fixed into the main handle.
Note 2. The extension handle should be detached from the main
promptly afteruse, because if attached to the main the auxiliary
may give the internal mechanism a severe shock to reduce its
service life or will get into the air when the circuit-breaker trips.
(5) External handles
1 F type handle
This handle is intended to manipulate the inboard circuit-breaker from without. It is used
when the body of the circuit-breaker is provided with, for instance, the control center.
(b) How to release the safety device
A safety device that disables the circuit-breaker "ON" with door open has been provided as
standard accessory. If the circuit-breaker is to be ON with the door open, turn the handle ON
with the interlock lever pushed into the arrowed direction.
Interlock
lever
(c) When locking up
• ON lock
Pull out the lock plate in the arrowed direction with the handle turned to "ON" position then
lock the handle with a commercial padlock.
• OFF lock
Turn the handle toward the reset position, while lightly drawing out the lock plate, return the
handle in the arrowed direction when the lock plate has been drawn out, then fix the lock
plate in the lock position. Use a commercial padlock through the hole on the lock plate to lock
the handle.
69
(a) Opening/Closing operation
• The handle can turn ON when it is rotated clockwise.
• The handle can turn OFF when it is rotated counterclockwise.
• When the circuit-breaker trips, the handle can be reset if it is rotated
counterclockwise further from OFF position.
• The handle is provided with the door lock mechanism that can open
the door only when switching OFF.
ON operation
• Padlock: To be supplied by users.
Dimensions of padlock
The padlock to be used shall be commercially available one.
C B
Applicable
type
WSS(Note)
A
All models
Note. WSS types (handle models: F05SW2P to F6SWNV) perform trip display when
the circuit-breaker trips even when the lock is ON. [Only when one padlock
(35mm, 50g or less) is provided.]
Handle
Handle
Lock plate
OFF or resetting operation
A
B
(Nominal dimensions)
19
35
40 22
Lock plate
Padlock
Padlock
Auxiliary handle
C
5
5.5