Catalogs >
Industrial Controls Catalog >
Motor Control, NEMA >
Combination Contactors, Starters, and Pump Control Panels >
Bulletin 523 Multi-Speed Circuit Breaker Type
Bulletin 523 Multi-Speed Circuit Breaker Type
Bulletin 523
- NEMA starter sizes 1…5
- Circuit breaker magnetic only (instantaneous trip)
- 2-speed separate winding, constant or variable torque
- 2-speed separate winding, constant horsepower
- 2-speed consequent pole, single winding, constant or variable torque
- 2-speed consequent pole, single winding, constant horsepower
- Overload relays: Eutectic supplied as standard, solid-state available as an option
- Modifications — factory installed
- Accessories — field installed
- Service entrance rated
A Bulletin 523 combination multi-speed starter consists of a Bulletin 520 multi-speed starter and a circuit breaker magnetic only (instantaneous trip) mounted in a common enclosure.