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ABB XT4NU3125AYJ000XXX - Molded Case Circuit Breaker 125A 600V 3-Pole

ABB
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ABB XT4NU3125AYJ000XXX is a SACE Tmax XT molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This three-pole unit is rated for 125A continuous current at 600V AC, with an interrupting capacity of 25kA at 480V, and features a bolt-on connection for secure panel mounting. The breaker weighs 8 lb and accepts copper or aluminum conductors from AWG 4 to AWG 300. It is certified to UL and CSA standards, ensuring compliance with North American electrical codes. Typical applications include motor control centers, switchboards, and panelboards in manufacturing plants, commercial buildings, and utility installations.

Key Features & Specifications
  • Type: Molded case circuit breaker, SACE Tmax XT family, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: Not specified
  • Standards: UL, CSA
  • Applications: Industrial power distribution, motor control centers, switchboards
  • Switch Type: Circuit breaker
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 125A
  • AIC rating: 25kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Overcurrent
  • Functions: Circuit protection
  • Frame Size: XT4
  • Trip Type: Thermal-magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Bolt-On
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 125A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: AWG 4 to AWG 300, Cu/Al
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: Not specified
  • Phase Connection: 3-phase
  • Standards: UL, CSA
  • Compatible Frames: Not specified
  • Installation Type: Panel mount
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: XT4
  • Current Rating: 125A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified