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Westinghouse HND312T52W - 1200A 3-Pole Molded Case Breaker

Cutler Hammer
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Westinghouse HND312T52W is a 3-pole, 1200A molded case circuit breaker from the Series C family, designed for solid-state overcurrent protection with LSI (Long-Time, Short-Time, and Instantaneous) trip functions. It operates at a maximum voltage rating of 600V and a current rating of 1200A, with an interrupting capacity of 65kA at 480V. The unit features a bolt-on connection, an N Frame size, and measures 18.5 inches in length/depth, 11 inches in height, and 12 inches in width, weighing 46.8 lb. This breaker is HACR rated and manufactured in Canada, complying with industry standards for industrial applications. Typical uses include main or feeder protection in commercial and industrial power distribution systems requiring precise solid-state trip control.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V
  • Current Rating: 1200A
  • Dimensions: 18.5 in x 11 in x 12 in (Length/Depth x Height x Width)
  • Standards: HACR Rated
  • Applications: Industrial power distribution, main or feeder protection
  • Switch Type: Solid State
  • Configuration: 3-Phase
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 1200A
  • AIC rating: 65kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI - Long-Time, Short-Time and Instantaneous
  • Frame Size: N Frame
  • Trip Type: Solid State
  • 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: Not specified
  • 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: 1200A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: HACR Rated
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: Not specified
  • Compatible Frames: N Frame
  • Installation Type: Not specified
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: N Frame
  • Current Rating: 1200A
  • 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: 782114408735
  • GTIN: 00782114408735