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Eaton / Moeller Series

NZM9-250/ZM9-100-1200-OBI

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100A, 3P, instantaneous trip breaker, OBI, 600–1200A magnetic, UL/CSA

Eaton/Moeller NZMH9-250/ZM9-100-1200-OBI instantaneous trip breaker, 250A frame, 3-pole, 100A continuous current rating, adjustable magnetic trip range 600–1200A. “OBI” designation identifies this as the instantaneous trip version without a thermal trip element. UL and CSA listed for up to 600 VAC operation with high interrupting capacity.

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  • Technical Specifications
Model NZMH9-250/ZM9-100-1200-OBI
Type Instantaneous Trip Circuit Breaker (No Thermal)
Frame Size 250A
Poles 3
Continuous Current Rating 100A
Magnetic Trip Range Adjustable, 600–1200A
Voltage Rating Up to 600 VAC
Interrupting Capacity High Fault Rating (UL/CSA)
Standards UL, CSA
Applications Motor Short-Circuit Protection, Feeder Circuits

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