EJB34125 | Schneider Electric Three Pole Thermal Magnetic Molded Case Circuit Breaker 125A 480Y/277VAC

Schneider Electric · Circuit Breakers & Protection

Description  The Schneider Electric EJB34125 is a three pole molded case circuit breaker designed for reliable branch circuit protection in commercial and industrial power distribution systems. It provides thermal magnetic protection with long-time and instantaneous trip functions for controlled operation in 480Y/277VAC applications.     Technical Specifications  Condition New/Never Used Surplus Brand Schneider Electric / Square D Category Circuit Protection Part Number EJB34125 Subcategory Molded Case Circuit Breakers Series EJB Frame Type EJB Amperage Rating 125 A Voltage Rating 480Y / 277 VAC Number of Poles 3 Phase 3 Phase Interrupting Rating 65 kAIC @ 480Y/277 VAC Protection Type Thermal Magnetic Trip Functions Long-Time and Instantaneous (LI) Mounting Type Bolt-On Connection Type Bolt-On Terminal Connection Aluminum Lugs Wire Size Compatibility AWG 12–2/0 Aluminum, AWG 14–2/0 Copper For Use With NF Panelboard Standards / Approvals cULus, HACR Temperature Rating 40 °C Dimensions (H x W x D) 5.66 x 2.94 x 4.05 in Weight 4 lbs   Information About EJB34125 The EJB34125 is part of the Schneider Electric Square D EJB Series, developed for compact molded case circuit breaker applications in panelboard systems. This breaker supports three-phase electrical distribution with a continuous current rating of 125 amps at 480Y/277VAC. It uses a thermal magnetic trip mechanism to provide coordinated overload and short-circuit protection through long-time and instantaneous response. The bolt-on mounting design allows secure installation in NF panelboards while maintaining consistent electrical performance. Key Features Thermal Magnetic Protection: Combines thermal overload sensing with instantaneous magnetic tripping to protect circuits from sustained overcurrent and short-circuit faults. High Interrupting Capacity: Rated at 65 kAIC at 480Y/277 VAC, enabling safe interruption of high fault currents in demanding distribution systems. Three Pole Configuration: Provides balanced protection across all phases for stable three-phase power distribution. Bolt-On Mounting Design: Ensures secure mechanical and electrical connection within compatible panelboards. EJB Compact Frame: Optimized for space-efficient installations while maintaining robust electrical performance. Wide Conductor Compatibility: Accepts a broad range of aluminum and copper wire sizes to support flexible field wiring. Certified for Industrial Use: cULus listed and HACR rated for compliance with recognized electrical and safety standards. The EJB34125 delivers the reliability and precision required for protecting three-phase branch circuits in commercial and industrial power distribution systems.

Brand: Schneider Electric · Category: Circuit Breakers & Protection

Key features

• Thermal Magnetic Protection: Combines thermal overload sensing with instantaneous magnetic tripping to protect circuits from sustained overcurrent and short-circuit faults.
• High Interrupting Capacity: Rated at 65 kAIC at 480Y/277 VAC, enabling safe interruption of high fault currents in demanding distribution systems.
• Three Pole Configuration: Provides balanced protection across all phases for stable three-phase power distribution.
• Bolt-On Mounting Design: Ensures secure mechanical and electrical connection within compatible panelboards.
• EJB Compact Frame: Optimized for space-efficient installations while maintaining robust electrical performance.
• Wide Conductor Compatibility: Accepts a broad range of aluminum and copper wire sizes to support flexible field wiring.
• Certified for Industrial Use: cULus listed and HACR rated for compliance with recognized electrical and safety standards.

Specifications

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