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Westinghouse NB3700PT - Thermal Magnetic 700A 3-Pole 600V

Cutler Hammer
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Westinghouse NB3700PT is a 3-pole thermal magnetic circuit breaker from the TRI-PAC family, designed for LI (Long-Time and Instantaneous) protection in industrial power distribution systems. It is rated for 600V AC and carries a continuous current rating of 700A, with a minimum amperage of 700A and a maximum of 700A. The unit measures 5.5 inches in depth, 8.25 inches in height, and 8.25 inches in width, weighing 4 lb, and is constructed as a trip unit and programmer. It is UL 489 certified for compliance with safety standards for molded-case circuit breakers. This breaker is intended for use in industrial switchboards and panelboards requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: NB, Thermal Magnetic Trip Unit & Programmer
  • Voltage Rating: 600V AC
  • Current Rating: 700A (Minimum 700A, Maximum 700A)
  • Dimensions: 5.5 in x 8.25 in x 8.25 in (Length/Depth x Height x Width)
  • Weight: 4 lb
  • Poles: 3
  • Protection: LI - Long-Time and Instantaneous
  • Certification: UL 489
  • Family: TRI-PAC
  • Country of Origin: United States
  • Functions: LI - Long-Time and Instantaneous
  • Amperage Minimum: 700
  • Amperage Maximum: 700
  • Voltage: 600V
  • Amperage: 700
  • Connection: Not specified
  • Frame Size: Not specified
  • Trip Type: Thermal Magnetic
  • Breaker Type: NB
  • 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: 700
  • Amperage Minimum: 700
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: UL 489
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: Not specified
  • Standards: UL 489
  • Compatible Frames: Not specified
  • Installation Type: Not specified
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 700A
  • 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: 786679766583
  • GTIN: 00786679766583