Up For Sale Cutler Hammer Magnum SB 5000 Amp Breaker Good condition and ready to use, Heavy-duty low-voltage insulated power circuit breakers optimized for high-capacity power distribution. Designed primarily to meet the stringent performance and economy standards of UL 891 distribution panels, these products provide optimal circuit protection in a compact size.
- Frame Size & Continuous Current: 5000 Amps maximum continuous rating.
- Application Standard: UL 1066 listed but optimized specifically for UL 891 switchboard assemblies.
- System Phase: 3-Pole, 3-Phase configurations.
- Fixed Instantaneous Trip: Features a fixed 18xIn instantaneous trip system designed to clear high-current faults within a strict three-cycle window.























Berwyn –
according to order, the quality of the unit works well and is reliable