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American/Federal Pacific NFJ631150R - 150A 3-Pole 600V Thermal Magnetic

American/Federal Pacific
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American/Federal Pacific NFJ631150R Circuit Breaker - 150A 3-Pole 600V Thermal Magnetic The American/Federal Pacific NFJ631150R is a 150-amp, 3-pole molded case circuit breaker from the NFJ Series, designed for overcurrent protection in industrial power distribution systems. This thermal magnetic breaker operates at a maximum voltage rating of 600V AC and provides long-time and instantaneous (LI) protection functions, with an interrupting capacity of 18kA at 480V AC for three-phase applications. The unit features a bolt-on connection type, weighs 15 pounds, and is constructed with a compact molded case frame for panelboard installation. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in commercial and industrial environments. Typical applications include branch circuit protection in switchboards, panelboards, and motor control centers requiring 150A thermal magnetic protection with LI trip characteristics.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) Protection
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Dimensions: Standard NFJ Series frame size
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers
  • Switch Type: Molded Case
  • Configuration: 3-Pole, 3-Phase
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard molded case packaging
  • Phase: 3
  • Voltage: 600V
  • Amperage: 150A
  • AIC rating: 18kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: NFJ Series
  • Trip Type: Thermal Magnetic
  • Panel Type: Industrial panelboard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Steel frame, copper contacts
  • Panel Style: Standard
  • Bus Type: Bolt-on
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not applicable
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Bolt-On
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 150A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 150A
  • Full Load Amp Minimum: 150A
  • Enclosure: Open type
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 150A
  • Amperage Minimum: 150A
  • Nema Rating: Not specified
  • Switch Style: Molded Case
  • Wire Size: Not specified
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: NFJ Series
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: NFJ Series
  • Current Rating: 150A
  • 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: Not available
  • GTIN: Not available