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Square D EZMR314225X - Molded Case Circuit Breaker 600V 225A

Square D
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Square D EZMR314225X is a molded case circuit breaker designed for overcurrent protection and switching in industrial power distribution systems. It is rated for 600V AC and 225A, providing reliable fault interruption and load management. The unit measures 52.00 in (1320.80 mm) in height, 17.38 in (441.45 mm) in width, and 8.09 in (205.49 mm) in depth, with a weight of 91 lb, featuring a robust metal enclosure for durability. It complies with UL and NEMA standards, ensuring safe operation in demanding environments. This breaker is typically applied in commercial and industrial panelboards, switchboards, and motor control centers for branch circuit protection.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, metal enclosure
  • Voltage Rating: 600V AC
  • Current Rating: 225A
  • Dimensions: 52.00 in (1320.80 mm) x 17.38 in (441.45 mm) x 8.09 in (205.49 mm) (Height x Width x Depth)
  • Weight: 91 lb
  • Standards: UL 489, NEMA AB-1
  • Applications: Industrial panelboards, switchboards, motor control centers
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 52.00 in x 17.38 in x 8.09 in
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 225A
  • AIC rating: 25 kA at 600V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Switching and isolation
  • Frame Size: EZM
  • Trip Type: Thermal-magnetic
  • Panel Type: Industrial
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: 250 MCM
  • Metal Type: Steel
  • Panel Style: Dead-front
  • Bus Type: Copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panel-mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 150 HP at 600V
  • Aux Contacts: 1 NO/NC
  • CPT: Not included
  • Full Load Amps: 225A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 225A
  • Full Load Amp Minimum: 0A
  • Enclosure: Metal
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 225A
  • Amperage Minimum: 0A
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 250 MCM
  • Certification: UL listed, CSA certified
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-wire
  • Standards: UL 489, NEMA AB-1
  • Compatible Frames: EZM series
  • Installation Type: Panel-mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: EZM
  • Current Rating: 225A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78590152012
  • GTIN: 00785901520122