Products

ABB S203MT-D32 Miniature Circuit Breaker 11.2kA 3-P 32A 400V D-Curve

Product Code: S203MT-D32

  • Rated current of 32 A for robust performance
  • Breaking capacity of 11.2 kA ensures reliability
  • Compact dimensions: W52.5 x H88 x D69 mm
  • Operates in extreme temps from -40 to 70°C
  • Complies with IEC/EN and UL standards
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Specifications

Product Type Miniature Circuit Breaker
Brand ABB
Ambient Temperature -40 to 70 deg C Operation, -40 to 75 deg C Storage
Breaking Capacity 11.2 kA
Curve Type D
Degree of Pollution IP3
Degree of Protection IP20
Depth 69 mm
Height 88 mm
Housing Colour RAL 7035 Grey
Number of Poles 3
Power Loss 11.1 W
Rated Current 32 A
Rated Frequency 50/60 Hz
Rated Impulse Withstand Voltage 4 kV
Rated Insulation Voltage 440 V
Rated Voltage 400 V
Standards and Approvals IEC/EN 60898-1, IEC/EN 60947-2, UL 1077, CSA 22.2 No. 235
Terminal Type Screw Clamp
Tightening Torque 2.8 N-m
Width 52.5 mm

Description

When selecting a circuit breaker for your industrial or commercial project, understanding the technical specifications is crucial to ensure it meets your specific needs. This product offers a robust solution with a rated current of 32 A and is designed to handle demanding environments with its impressive rated impulse withstand voltage of 4 kV and insulation voltage of 440 V. Operating at a rated voltage of 400 V, this breaker ensures reliable performance in various applications. With power loss measured at just 11.1 W, efficiency is maintained without compromising on functionality. The device features three poles and boasts a breaking capacity of 11.2 kA, making it suitable for systems requiring high fault current handling capabilities. The degree of protection is marked as IP20, indicating that the product is protected against solid objects over 12 mm but not against water ingress—an important consideration depending on your installation environment. The screw clamp terminal type provides secure connections with an optimal tightening torque set at 2.8 N-m. This circuit breaker has compact dimensions: a width of 52.5 mm, height of 88 mm, and depth of 69 mm—ideal for installations where space conservation is key without sacrificing performance or safety standards. Compliant with several international standards such as IEC/EN 60898-1, IEC/EN 60947-2, UL 1077, and CSA C22.2 No.235, this product assures adherence to rigorous quality benchmarks across different markets. Operating efficiently within a frequency range of 50/60 Hz and suited for environments classified under Degree of Pollution IP3, this breaker supports Curve Type D characteristics—ideal for protecting devices like transformers or motors from short circuits due to their higher inrush currents. Designed to operate in ambient temperatures ranging from -40°C to +70°C (and storage up to +75°C), it remains functional even under extreme conditions—a testament to its durability and reliability in diverse settings. The housing comes in RAL 7035 grey color—a neutral shade that blends seamlessly into most electrical panels while maintaining an understated professional appearance. Overall, this circuit breaker combines essential features required by technical professionals seeking dependable solutions tailored to meet stringent operational demands effectively while ensuring compliance with global standards—all encapsulated within its compact design profile.

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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