Mitsubishi Electric C Series Handling And Maintenance page 74

(f) Caution
Mount the external handle under OFF state.
Be careful that the shaft pin rotate when the breaker is tripped under opening the door.
The door cannot be closed in trip position.
Reset operation under opening the door, rotate the square shaft unticlockwise by spanner or mon-
key wrench.
4 R Type handle 4 4 4 4
(a) Installation
● 125 and 250 A frames
Breaker mtg screw
125AF, 250AF ... M4✕55(73) 2 pieces ... 1.5N·m
(b) Lock Mechanism
The handle can be locked in "OFF" position only. Pull out
the lock plate in the arrowed direction, while moving the
handle toward the resetting side, and hang it on the rib
(take care since the handle is heavy). Lock the handle
with a commercial padlock (φ5 - φ8).
(6) Terminal cover (400 A frame and below)
1 1
1 1 1 MOUNTING
Put the U-form projection in the hole of the breaker and
push the terminal cover strongly to fasten it.
(Push the indicated place by the " " mark.)
2 2
2 REMOVING 2 2
Push the tip of the U-form projection fully toward the "
mark by the screw driver or a finger tip and pull out the
terminal cover toward the " " mark.
3 3
3 3 3 SEALING
Terminal cover can be sealed with the sealing plate and
wires.
Put the sealing plate into the hole of the U-form projec-
tion and seal the terminal cover.
Note. Pull the sealing wire so as not to loose.
Final controlling element
lock nut, M4 (2 pcs.)
External handle mtg screw
M4✕62(80) 2 pieces ... 1.5 N·m
Caution. Mount the external handle under
OFF state.
● 400, 630 and 800 A frames
Breaker mtg screw
400AF ......... M6✕60 4 pieces ... 2.5~4 N · m
630, 800AF ... M6✕35 4 pieces ... 2.5~4 N · m
Status indicator plate
"
External handle mtg screw
M5✕68 4 pieces ... 2.5~3.5 N · m
Spacer
Breaker
Lock plate
Breaker spec
Rated current
Rib
φ5~φ8
U-form
projection
the tip of the
U-form projection
sealing plate
seal
72