Products

ABB S203D20 Miniature Circuit Breaker 6 kA at 400VAC 3-P 20A 400/415VAC D-Curve

Product Code: S203D20

  • 20 A MCB with a breaking capacity of 10 kA
  • Rated voltage of 400/415 VAC, withstands up to 4 kV
  • IP20 protection with screw clamp terminals
  • Compliant with AS/NZS and UL standards
  • Suitable for commercial and industrial use
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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 D
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 2.3 W
Rated Current 20 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 D Curve
Width 52.5 mm
Wire Stripping Length 12.5 mm

Description

<p>The S200 series MCB is a robust solution designed for commercial and industrial applications, providing reliable circuit protection with its comprehensive specifications. This miniature circuit breaker (MCB) ensures safe operation with a rated current of 20 A and operates effectively within a voltage range of 400/415 VAC. Its capability to handle impulse voltages up to 4 kV ensures resilience against transient over-voltages, making it suitable for demanding environments.</p><p>With a breaking capacity of 10 kA at 400 VAC, this MCB is designed to interrupt fault currents efficiently, minimizing the risk of damage during short circuits. It boasts an electrical durability of up to 20,000 cycles, ensuring longevity and consistent performance throughout its service life.</p><p>The device features a three-pole configuration that enhances its versatility in various installations. Its compact dimensions—52.5 mm width, 88 mm height, and 69 mm depth—allow for easy integration into existing systems without requiring extensive space adjustments. The housing comes in RAL 7035 grey color which blends seamlessly into most electrical panels.</p><p>Safety is prioritized with an IP20 degree of protection against solid objects larger than 12 mm, while the screw clamp terminal type offers secure connections with a tightening torque of 2.8 N-m. It supports cable cross-sections up to 35 sq-mm on both top and bottom terminals and accommodates bulbar cross sections of up to 10 sq-mm.</p><p>This MCB adheres to rigorous standards including AS/NZS 60898-1, AS/NZS 60947-2, and UL1077 approvals ensuring compliance with Australian safety regulations as well as international standards. Operating efficiently across temperatures ranging from -25&amp;#176;C to +55&amp;#176;C—and storage capabilities down to -40&amp;#176;C—the S200 series can withstand varied environmental conditions.</p><p>For those seeking precise control over their installations, the D curve type provides adequate tripping characteristics suited for loads that experience high inrush currents such as motors or transformers commonly found in industrial settings.</p><p>Mounting is straightforward thanks to its DIN rail compatibility—a standard feature that simplifies installation processes across different panel designs. Additionally, it features a wire stripping length specification of 12.5 mm facilitating proper conductor preparation during setup.</p><p>In summary, the S200 series MCB stands out as an efficient choice providing excellent protection capabilities tailored specifically for commercial and industrial use cases where reliability cannot be compromised under any circumstance.</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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