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Siemens NJG3F400 - Molded Case Circuit Breaker 400A 600V

Siemens
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Siemens NJG3F400 Circuit Breaker is a molded case circuit breaker frame designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 400A, and 3-phase operation, providing a 35kA interrupting capacity at 480V AC. This 3-pole, bolt-on unit weighs 36 lb and features a JG Frame with a thermal magnetic protection system offering LI (Long-Time and Instantaneous) trip functions. It operates within a temperature range of -13 to 158 °F (-25 to 70 °C) and is part of the Siemens VL Series. This frame is intended for use in industrial applications requiring reliable circuit protection, such as in manufacturing facilities, commercial buildings, and heavy machinery, but note it is supplied as a frame only, without lugs or a trip unit.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker Frame
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: JG Frame
  • Standards: UL, CSA
  • Applications: Industrial power distribution, manufacturing, commercial buildings
  • Switch Type: N/A
  • Configuration: 3-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: N/A
  • Phase: 3
  • Voltage: 600V
  • Amperage: 400A
  • AIC rating: 35kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: JG Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: N/A
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Bolt-On
  • Hz: 50/60
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 400A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: N/A
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: N/A
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: JG Frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: JG Frame
  • Current Rating: 400A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 078364342880
  • GTIN: 00783643428805