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Square D 2959S1W31A - 100A 3-Pole Circuit Breaker (600V AC)

Square D
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Square D 2959S1W31A is a heavy-duty industrial circuit breaker designed to provide reliable overcurrent protection for electrical systems. This unit is rated for a voltage of 600V AC and a current of 100A, ensuring robust performance in demanding environments. The breaker features a compact NEMA 1 enclosure with a weight of 5.19 lb, constructed from durable metal for long-lasting service. It complies with UL 489 and CSA standards, guaranteeing safety and reliability in industrial applications. Typical uses include motor control centers, panelboards, and switchboards in manufacturing and processing facilities.

Key Features & Specifications
  • Type: Industrial circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Dimensions: Compact NEMA 1 enclosure
  • Standards: UL 489, CSA
  • Applications: Motor control centers, panelboards, switchboards
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 100A
  • AIC rating: Not specified
  • Connection: Line and load terminals
  • Poles: 3
  • Protection: Overcurrent
  • Functions: Circuit interruption
  • Frame Size: Not specified
  • Trip Type: Thermal-magnetic
  • Panel Type: NEMA 1
  • Breaker Type: Industrial
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Steel
  • Panel Style: Enclosed
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • 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: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • 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: NEMA 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 100A
  • Amperage Minimum: Not specified
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: Not specified
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA
  • Compatible Frames: Not specified
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not specified
  • Current Rating: 100A
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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