Products

ABB S203C25 Miniature Circuit Breaker 10kA at 400VAC 3-P 25A 400/415VAC C-Curve

Product Code: S203C25

  • Rated current of 25 A for reliable protection
  • 10 kA breaking capacity at 400 VAC
  • Compact size: 52.5 mm width, 88 mm height
  • Complies with AS/NZS and UL standards
  • Suitable for DIN rail mounting
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Specifications

Product Type Miniature Circuit Breaker
Brand ABB
Series S200
Ambient Temperature -25 to 55 deg C Operation, -40 to 70 deg C Storage
Application Commercial and Industrial
Breaking Capacity 10 kA at 400 VAC
Bulbar Cross Section 10 sq-mm Top, 10 sq-mm Bottom
Cable Cross Section 35 sq-mm Top, 35 sq-mm Bottom
Collection S200
Curve Type C
Degree of Pollution IP3
Degree of Protection IP20
Depth 69 mm
Electrical Durability 20000 Cycles
Height 88 mm
Housing Colour RAL 7035 Grey
Housing Material Insulation Group II, RAL 7035
Impulse Voltage 4 kV
Mounting Type DIN Rail
Number of Poles 3
Pole Width 17.5 mm
Power Loss 3.2 W
Rated Current 25 A
Rated Frequency 50/60 Hz
Rated Impulse Withstand Voltage 4 kV
Rated Insulation Voltage 440 V
Rated Short Circuit Current 20 kA
Rated Voltage 400/415 VAC
Short Circuit Capacity 6 kA
Standards and Approvals AS/NZS 60898-1, AS/NZS 60947-2, UL 1077
Terminal Type Screw Clamp
Tightening Torque 2.8 N-m
Trip Curve C Curve
Width 52.5 mm
Wire Stripping Length 12.5 mm

Description

<p>The S200 Series MCB is a robust choice for those in the industrial and commercial sectors seeking reliable circuit protection. With its 25 A rated current, this miniature circuit breaker (MCB) effectively safeguards electrical circuits from overloads and short circuits. It operates efficiently within a voltage range of 400/415 VAC, making it suitable for various applications.</p><p>Engineered to withstand harsh conditions, this MCB boasts an impressive rated impulse withstand voltage of 4 kV and insulation voltage of 440 V. Its breaking capacity stands at a solid 10 kA at 400 VAC, ensuring dependable performance under fault conditions. The device&amp;#39;s power loss is minimal at just 3.2 W, enhancing energy efficiency.</p><p>Designed with practicality in mind, the S200 Series features a compact form factor with dimensions of 52.5 mm in width, 88 mm in height, and a depth of 69 mm. This makes it easy to integrate into existing setups without taking up unnecessary space on the DIN rail mount.</p><p>The product supports screw clamp terminals that accommodate cable cross sections up to 35 sq-mm both top and bottom, providing flexibility during installation. The recommended tightening torque for these terminals is set at 2.8 N-m to ensure secure connections.</p><p>Durability is another hallmark of this MCB; it offers an electrical durability rating of up to 20,000 cycles—a testament to its long-lasting performance in demanding environments. The degree of protection is rated at IP20 with pollution degree IP3, safeguarding against foreign objects like dust while maintaining operational integrity.</p><p>Conforming to global standards such as AS/NZS 60898-1, AS/NZS 60947-2, and UL1077 highlights its compliance with rigorous safety protocols. The curve type C characteristic ensures optimal tripping behavior suited for typical commercial loads.</p><p>This model operates over a wide ambient temperature range from -25&amp;#176;C to +55&amp;#176;C during operation and can be stored safely between -40&amp;#176;C and +70&amp;#176;C—ideal for varied Australian climates.</p><p>Its housing comes in RAL7035 grey color which blends well into most settings while maintaining professional aesthetics. Additionally, it accommodates bulbar cross sections up to10 sq-mm both top and bottom further complementing its versatile application potential across different installations or upgrades where space constraints exist but reliability cannot be compromised upon!</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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