Instruction manual

KRB-5377

4-6. Breaker Fixing Bolt Securing Procedure

1) Move the breaker body to the CONN. position.

2) Loosen the breaker fixing bolt shown in Fig. 35, move the spring and flat washers close to the bolt head and push the bolt into

the U-notch of the grip.

3) Tighten the breaker fixing bolt using the draw-out handle. This procedure is required for both the sides of the ACB.

Fig. 35 Securing the breaker fixing bolts

4-7. OCR Cover Locking Procedure

Lock the OCR cover using a padlock with ø6 shackle as shown in Fig. 36. The OCR cover cannot be opened, which prevents OCR

settings from being changed.

Fig. 36 Padlocking the OCR cover

OCR cover

OCR cover padlock hole

Padlock

Grip

Breaker fixing bolt

Spring washer Flat washer

U-notch