Eaton's Cutler-Hammer MagnumSB

Eaton’s Cutler-Hammer® Magnum™ SB has been implemented in the panelboard and switchboard product line as the default in switchboards and breakers above 2500A.This low voltage, insulated-case power circuit breaker is designed for the performance and economic requirements of UL® 891 switchboards. Magnum SB breakers are UL 1066 listed for lighter duty.

Performance

• 100 percent rated at full continuous current
• Three frame sizes to facilitate compact enclosure options
• High withstand breakers for maximum coordination
• Current-limiting fuseless fast-opening breakers with high-interrupting ratings and low energy let-through for reduced arc flash

Product Characteristics

• Switchboard class
• Up to 635 Vac
• Three- and four-pole configurations
• Drawout and fixed mounted
• 200A to 6000A continuous current
• 50–150 kA interrupting ratings
• Short-time withstand up to 100 kA

Differences from the Magnum DS

• Utilizes a white front-molded casing versus the grey casing on the Magnum DS
• Has a fixed instantaneous override, which cannot be defeated, providing similar characteristics as an insulated-case breaker
• Is slightly less in price than the Magnum DS

To learn more, contact Chuck Clarke at 404.681.3270 or email to cclarke@empoweret.com.