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Square D 1.5S43F - 1500A Insulated Case Circuit Breaker 600V

Square D
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Square D 1.5S43F is a heavy-duty industrial circuit breaker designed for primary overcurrent protection in electrical distribution systems. This unit is rated for 600V AC and carries a continuous current rating of 1500A, providing robust fault interruption capabilities. Constructed with a rugged insulated case and a compact frame, it features a thermal-magnetic trip mechanism for reliable short-circuit and overload protection. The breaker complies with UL 489 and NEMA standards, ensuring safe operation in demanding environments. Typical applications include service entrance panels, switchboards, and industrial power distribution centers requiring high-amperage protection.

Key Features & Specifications
  • Type: Insulated case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 1500A
  • Dimensions: 37.21 lb weight
  • Standards: UL 489, NEMA
  • Applications: Service entrance, switchboards, industrial power distribution
  • Switch Type: Thermal-magnetic
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 1500A
  • AIC rating: Not specified
  • Connection: Not specified
  • Poles: 3
  • Protection: Overcurrent, short-circuit
  • Functions: Circuit interruption
  • Frame Size: Not specified
  • Trip Type: Thermal-magnetic
  • Panel Type: Not specified
  • Breaker Type: Insulated case
  • 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: 50/60 Hz
  • 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: 1500A
  • Amperage Minimum: Not specified
  • 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: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, NEMA
  • Compatible Frames: Not specified
  • Installation Type: Not specified
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 1500A
  • 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: 78590187644
  • GTIN: 00785901876441