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Square D EZM314125CUX - 125A 3-Pole Circuit Breaker (480V AC)

Square D
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Square D EZM314125CUX is a three-pole circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 480V AC and 125A, with a 14kAIC at 480V, and features a thermal-magnetic trip mechanism for reliable short-circuit and overload protection. The unit has a NEMA 1 enclosure, weighs 5.19 lb, and is constructed with a molded case and copper bus bars for durability. It complies with UL 489 and CSA standards, ensuring safe operation in commercial and industrial environments. This breaker is typically used in panelboards, switchboards, and motor control centers for branch circuit protection.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, three-pole
  • Voltage Rating: 480V AC
  • Current Rating: 125A
  • Dimensions: Not specified
  • Standards: UL 489, CSA
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers
  • Switch Type: Not specified
  • Configuration: Three-pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Three-phase
  • Voltage: 480V AC
  • Amperage: 125A
  • AIC rating: 14kAIC at 480V
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent, short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: Not specified
  • 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: Copper bus bars
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • 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: Panel mount
  • Hz: 50/60 Hz
  • 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: NEMA 1
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 125A
  • Amperage Minimum: Not specified
  • Nema Rating: NEMA 1
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Line and load lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Three-phase
  • Standards: UL 489, CSA
  • Compatible Frames: Not specified
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • 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


Product Identification
  • UPC: Not specified
  • GTIN: Not specified