Siemens Air Circuit Breaker

3wl series ACB.With only three sizes, the 3WL air circuit breakers cover a power range from 630 A to 6300 A. Featuring a 3- or 4-pole design, they are suitable for applications up to 1000 V. All models are characterized by identical design – in fixed-mounted as well as withdrawable version – identical operation and identical comprehensive accessories. The particularity: In the upper performance range, the 3WL is the world’s smallest circuit breaker of its class.Compact construction saves storage and switch cabinet costs (size 1 (up to 1600 A) fits in a 400 mm-wide switchboard panel, devices of size 3 (up to 6300 A) fit in an 800 mm-wide switchboard panel)