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Square D XS8C40MP230 - Miniature Circuit Breaker 40A 2-Pole

Square D
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Square D XS8C40MP230 is a 40-amp, 2-pole miniature circuit breaker designed for overcurrent protection in industrial and commercial electrical systems. It operates at 230V AC with a 10kA interrupting capacity, featuring a compact thermal-magnetic trip mechanism for reliable short-circuit and overload protection. The unit weighs 5.19 lb and is constructed with a durable thermoplastic housing for panelboard mounting. This breaker complies with UL 489 and CSA standards, ensuring safe operation in branch circuit applications. It is commonly used in motor control centers, lighting panels, and distribution boards requiring 40A protection.

Key Features & Specifications
  • Type: Miniature Circuit Breaker (MCB)
  • Voltage Rating: 230V AC
  • Current Rating: 40A
  • Dimensions: Compact for panelboard mounting
  • Standards: UL 489, CSA
  • Applications: Industrial and commercial branch circuit protection
  • Switch Type: Thermal-magnetic
  • Configuration: 2-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Standard
  • Shipping Dimensions: Standard
  • Phase: Single-phase
  • Voltage: 230V AC
  • Amperage: 40A
  • AIC rating: 10kA
  • Connection: Line and load terminals
  • Poles: 2
  • Protection: Overcurrent and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: Standard miniature
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard
  • Breaker Type: Miniature
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Thermoplastic housing
  • Panel Style: Standard
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panelboard
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 40A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not applicable
  • Switch Style: Not applicable
  • Wire Size: Not applicable
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Panelboard
  • Terminal Connection: Line and load
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA
  • Compatible Frames: Standard miniature
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Standard miniature
  • Current Rating: 40A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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