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Westinghouse NBY3700S - Molded Case 700A 240V 3-Pole

Westinghouse
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Westinghouse NBY3700S is a 3-pole molded case circuit breaker designed for non-automatic switching applications requiring no overcurrent protection. It is rated for 700A continuous current at 240VAC with a high interrupting capacity of 100kA at 240V, supporting 3-phase systems. This bolt-on unit weighs 61 lb and features a compact molded case construction for panelboard installation. It complies with applicable UL and NEMA standards for industrial electrical distribution. Typical applications include service entrance disconnects, main switchboards, and feeder circuits where manual switching control is needed without integral overcurrent protection.

Key Features & Specifications
  • Type: Molded Case, Non-Automatic (no overcurrent protection)
  • Voltage Rating: 240V AC
  • Current Rating: 700A
  • Dimensions: Standard molded case frame size
  • Standards: UL, NEMA
  • Applications: Service entrance disconnects, main switchboards, feeder circuits
  • Switch Type: Non-automatic
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (non-automatic)
  • Temp Rating: Standard industrial
  • Shipping Dimensions: Standard
  • Phase: 3
  • Voltage: 240V
  • Amperage: 700A
  • AIC rating: 100kA@240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Non-Automatic
  • Functions: NA - No Overcurrent Protection
  • Frame Size: NBY Series
  • Trip Type: Non-automatic
  • Panel Type: Panelboard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Standard
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • 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: Bolt-On
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 700A
  • Dist Voltage: 240V
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: 700A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Open (no enclosure)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 700A
  • Amperage Minimum: Not specified
  • Nema Rating: Standard
  • Switch Style: Non-automatic
  • Wire Size: Not specified
  • Certification: UL, NEMA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL, NEMA
  • Compatible Frames: NBY Series
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: NBY
  • Current Rating: 700A
  • 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: Standard industrial
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available