Siemens NEB3B125 Molded Case Circuit Breaker 125A 3 Pole 35kA 480VAC EG Frame

Description The Siemens NEB3B125 is a molded case circuit breaker designed to provide reliable overcurrent protection in industrial electrical distribution systems. With a 125 amp rating and high interrupting capacity, it ensures safe operation of circuits under fault conditions. This breaker is built for use in commercial and industrial panels requiring dependable circuit protection. Technical Specifications Condition New/Never Used Surplus Brand Siemens Part Number NEB3B125 Category Circuit Breaker Subcategory Molded Case Circuit Breaker Product Type Molded Case Circuit Breaker Series NEB Current Rating 125 A Poles 3 Pole Interrupting Rating 35 kA @ 480 VAC Frame Type EG Frame Voltage Rating Up to 480 VAC Protection Type Thermal-Magnetic Application Industrial power distribution Mounting Type Panel mounted Status Discontinued by Manufacturer Weight 2.30 lbs Information About NEB3B125 The NEB3B125 is a Siemens circuit breaker from the NEB series, engineered for branch and feeder protection in low-voltage power distribution systems. It features a three-pole configuration, allowing it to protect three-phase electrical circuits commonly used in industrial applications. The unit is built on an EG frame and offers a high interrupting rating of 35 kA at 480 VAC, ensuring effective fault current interruption. As a discontinued model, it is typically utilized as a replacement component in existing systems where compatibility with Siemens NEB series breakers is required. Key Features: 125 Amp Current Rating: Provides reliable protection for medium-load electrical circuits 3-Pole Configuration: Suitable for three-phase power distribution systems 35 kA Interrupting Capacity: Handles high fault currents at 480 VAC for enhanced safety NEB Series Design: Compatible with Siemens NEB system components and panels Molded Case Construction: Offers durable insulation and protection in industrial environments EG Frame Size: Standardized frame for consistent installation and replacement Thermal-Magnetic Protection: Ensures accurate response to overloads and short circuits The NEB3B125 delivers the reliability and precision required for safe circuit protection in industrial and commercial electrical distribution systems.