Description
2.1 Mechanical components
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
17
Installation on a horizontal surface
For fixed-mounted Circuit Breakers:
Supplied by customer: 4 x M8-8.8 bolts + strain washers
For withdrawable Circuit Breakers:
Supplied by customer: 4 x M8-8.8 bolts + nuts + washers
Arc chute cover
If several withdrawable Circuit Breakers are arranged one above the other in cubicles without
compartment bases, we recommend to use arc chute covers.
See chapter Arc chute cover (Page 144)
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