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ABB S203U-K40 - 3-Pole 40A Thermal Magnetic Breaker (240V)

ABB
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ABB S203U-K40 is a 3-pole molded case circuit breaker from the S 200 U Series, designed for thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 240V AC, 40A continuous current, and a 10kA interrupting capacity at 240V, supporting 3-phase systems via a bolt-on connection. The unit weighs 0.04 lb and features a compact molded case construction for secure panel mounting. It complies with industry standards for overcurrent protection in industrial environments. Typical applications include branch circuit protection in distribution panels, motor control centers, and machinery requiring reliable short-circuit and overload interruption.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, 3-Pole
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Dimensions: Compact molded case (specific dimensions not provided)
  • Standards: Compliant with applicable industry standards
  • Applications: Industrial branch circuit protection, distribution panels, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 240V
  • Amperage: 40A
  • AIC rating: 10kA@240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Not specified
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • 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: Panel mount (bolt-on)
  • Hz: 50/60 Hz (typical for 240V AC)
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 40A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 40A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 40A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: Not specified
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: Compliant with applicable industry standards
  • Compatible Frames: Not specified
  • Installation Type: Panel mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: S 200 U Series
  • Current Rating: 40A
  • 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 provided
  • GTIN: Not provided