Products

ABB S203MT-D4 Miniature Circuit Breaker 10 kA 3-P 4A 400V D-Curve

Product Code: S203MT-D4

  • Rated current of 4 A for reliable performance
  • Breaking capacity up to 10kA
  • IP20 protection with screw clamp terminals
  • Complies with IEC/EN & UL standards
  • Compact size: 52.5mm W x 88mm H x 69mm D
In Stock Low Stock Out Of Stock Please See Attributes

Specifications

Product Type Miniature Circuit Breaker
Brand ABB
Series S200MT
Ambient Temperature -25 to 55 deg C Operation, -40 to 70 deg C Storage
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 5.1 W
Rated Current 4 A
Rated Frequency 50/60 Hz
Rated Impulse Withstand Voltage 4 kV
Rated Insulation Voltage 440 V
Rated Short Circuit Current 10 kA
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

<p>When selecting a circuit breaker for industrial or commercial applications, understanding the technical specifications is crucial. This three-pole unit is designed to meet rigorous standards and provide reliable performance in various environments.</p><p>With a rated current of 4 A and a breaking capacity of 11.3 kA, this breaker is suitable for handling moderate electrical loads while ensuring safety during fault conditions. It operates effectively at a rated voltage of 400 V and has an insulation voltage rating of 440 V, making it versatile for different electrical systems.</p><p>The product&amp;#39;s power loss stands at 5.1 W, indicating efficient energy use during operation. Its impulse withstand voltage is rated at 4 kV, offering robust protection against transient overvoltages commonly encountered in industrial settings.</p><p>Constructed with durability in mind, this circuit breaker features an IP20 degree of protection, safeguarding it from solid objects larger than 12 mm but not providing water protection—ideal for indoor installations where moisture exposure is minimal. The device&amp;#39;s screw clamp terminals ensure secure connections with a tightening torque specification of 2.8 N-m.</p><p>Dimensionally compact with a width of 52.5 mm, height of 88 mm, and depth of 69 mm, this breaker can be easily integrated into existing panels without consuming excessive space. It adheres to key international standards such as IEC/EN 60898-1 and IEC/EN 60947-2, as well as North American UL and CSA certifications (UL1077 and CSA C22.2 No.235), reflecting its compliance with global safety requirements.</p><p>Engineered to endure harsh conditions, the circuit breaker&amp;#39;s operational ambient temperature ranges from -25 to +55&amp;#176;C while storage temperatures can vary between -40 to +70&amp;#176;C—demonstrating resilience across diverse climates typical in Australia’s varied weather patterns.</p><p>With an electrical durability rated at up to 20,000 cycles and featuring a Curve D characteristic curve type—known for handling high inrush currents—the product ensures long-term reliability even under demanding start-up conditions common in motor-driven equipment.</p><p>The housing comes in RAL7035 grey—a neutral tone that blends seamlessly within most industrial environments—and provides additional aesthetic consistency across installations.</p><p>This meticulously designed circuit breaker offers dependable performance tailored for professionals seeking efficiency without compromising on quality or safety standards.</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
Products to compare:
Comparing Products