Products

ABB S203MT-D10 Miniature Circuit Breaker 11.3kA 3-P 10A 400V D-Curve

Product Code: S203MT-D10

  • Rated for 10 A current and 400 V voltage
  • Breaking capacity of 11.3 kA
  • IP20 protection with screw clamp terminals
  • Complies with IEC/EN 60898-1, IEC/EN 60947-2
  • Operates in -25 to 55°C; stores at -40 to 70°C
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Specifications

Product Type Miniature Circuit Breaker
Brand ABB
Ambient Temperature -25 to 55 deg C Operation, -40 to 70 deg C Storage
Breaking Capacity 11.3 kA
Curve Type D
Degree of Pollution IP3
Degree of Protection IP20
Depth 69 mm
Electrical Durability 20000 Cycles
Height 88 mm
Housing Colour RAL 7035 Grey
Number of Poles 3
Power Loss 6.3 W
Rated Current 10 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
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 needs, understanding the technical specifications is crucial. This product offers a robust solution with its 10 A rated current, ensuring reliable performance under various electrical loads. Designed to withstand high voltage surges, it features a rated impulse withstand voltage of 4 kV and a rated insulation voltage of 440 V. Operating at a rated voltage of 400 V, this circuit breaker ensures compatibility with standard electrical systems. It accommodates three poles, providing comprehensive protection across multiple circuits. Its breaking capacity stands at an impressive 11.3 kA, making it suitable for environments where fault currents may be significant. The product's power loss is minimal at just 6.3 W, reflecting efficient energy use and reduced heat generation during operation. With dimensions measuring 52.5 mm in width, 88 mm in height, and 69 mm in depth, it fits seamlessly into compact spaces without compromising functionality. Built to meet IEC/EN standards (60898-1 and 60947-2), this circuit breaker adheres to international safety and performance benchmarks. Its IP20 degree of protection ensures that it is safeguarded against solid objects larger than 12 mm but should not be exposed to moisture-rich environments without additional housing. The screw clamp terminal type provides secure connections while allowing for easy installation and maintenance with a tightening torque of 2.8 N-m ensuring stability under operational stresses. This product boasts an electrical durability rating of up to 20000 cycles, highlighting its long-term reliability in demanding applications. The curve type D characteristic makes it ideal for inductive loads such as motors or transformers where higher start-up currents are common. Designed for versatility across varying environmental conditions, the ambient temperature range spans from -25°C to +55°C during operation and extends from -40°C to +70°C when stored—ensuring resilience even in extreme climates. Finally, the housing comes in RAL 7035 grey—a neutral tone that blends well within most industrial settings while maintaining aesthetic consistency across installations. Overall, this circuit breaker delivers dependable performance tailored for professionals seeking durable solutions within their electrical systems management toolkit while adhering strictly to necessary compliance requirements.

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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