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ABB ST203MC40 Miniature Circuit Breaker

The ST203M-C40 is a compact miniature circuit breaker designed for residential and industrial applications, offering reliable protection with a current rating of 40A and a trip capacity of 5kA. It features a 3-pole configuration, ensuring safety across three-phase systems. Its robust construction and precise trip mechanism make it suitable for safeguarding electrical circuits from overloads and short circuits, while facilitating quick maintenance and installation. This breaker complies with international standards, making it an essential component in modern electrical distribution systems.

Authorized Distributors
Part No:ST203M-C40
Stock:0
Inv Date:06-02-2026
Price: Unit price: $167.08
Buy/RFQ:
Part No:ST203M-C40
Stock:0
Inv Date:06-01-2026
Price: Unit price: $177.7
Buy/RFQ:

ABB ST203MC40 Miniature Circuit Breaker Specifications:

  • Type: Miniature Circuit Breaker
  • Model: ST203M-C40
  • Current Rating: 40A
  • Trip Capacity: 5kA
  • Poles: 3P
  • Dimensions: Width 52.5 mm, Depth 69 mm, Height 88 mm
  • Weight: 0.345 kg
  • Standards: CE Declaration of Conformity, RoHS
  • Material: High-quality insulating and conductive materials
  • Applicable Voltage: Low voltage systems
  • Certifications: CE, RoHS compliant
  • Package Dimensions: Width 57 mm, Depth 93 mm, Height 80 mm
  • Package Weight: 0.59 kg

Buy the Buy Schneider Electric Miniature Circuit Breaker Part Number ST203M-C40 Online

Secure your electrical system with the Schneider Electric Miniature Circuit Breaker ST203M-C40, offering 40A current capacity and 3-pole configuration for enhanced safety. Its 5kA trip capacity ensures protection against overloads and short circuits, suitable for residential and industrial use. Easy to install and maintain, this high-quality breaker meets international safety standards, providing peace of mind and reliable operation. Purchase online today to ensure quick delivery and optimal safety for your electrical infrastructure.

Get Schneider Electric ST203M-C40 today—built for reliable circuit protection and long-lasting durability.

Frequently Asked Questions

Where can I buy ABB ST203MC40?

You can click on the BUY or RFQ button to purchase ST203MC40 from an authorized ABB distributor.

How do I troubleshoot issues or seek technical support for part ST203MC40?

You can download the ST203MC40 datasheet or visit the ABB website for support.

Who is the manufacturer of ST203MC40?

ABB

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