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ABB SU201MK1 Miniature Circuit Breaker

The ABB SU201M-K1 is a UL 489-certified miniature circuit breaker designed for residential and commercial electrical systems. It features a single pole configuration with a 1-ampere current rating, suitable for standard overcurrent protection. The device withstands voltage levels of up to 480Y/277V, ensuring safe and reliable circuit interruption during overloads or short circuits. Built with a robust thermoplastic housing and clear contact indication, it provides durability and ease of monitoring. Compatible with system accessories, it is ideal for safeguarding electrical installations with high performance and compliance to international standards.

Authorized Distributors
Part No:SU201M-K1
Stock:0
Inv Date:06-02-2026
Price: Unit price: $63.85
Buy/RFQ:
Part No:SU201M-K1
Stock:0
Inv Date:06-01-2026
Price: Unit price: $51.59
Buy/RFQ:
Part No:SU201M-K1
Stock:9
Inv Date:06-01-2026
Price: Unit price: $74.13
Buy/RFQ:
Part No:SU201M-K1
Stock:9
Inv Date:06-01-2026
Price: Unit price: $74.13
Buy/RFQ:

ABB SU201MK1 Miniature Circuit Breaker Specifications:

  • Standards: UL 489, CSA 22.2 No. 5, IEC/EN 60947-2
  • Poles: 1P
  • Rated current: 1A
  • Rated voltage: 480Y/277 Vac
  • Interrupting capacity: 10 kA
  • Tripping characteristics: CKZ
  • References temperature for tripping: 40°C
  • Mechanical endurance: 20,000 operations
  • Protection degree: IP20, IP40 in enclosure
  • Housing material: Thermoplastic
  • Mounting: DIN Rail, 35 mm width
  • Dimensions (H x D x W): 88 x 69 x 175 mm
  • Weight: Approx. 115 g
  • Environmental: -25°C to +55°C operating temperature, derating at high temp
  • Terminal type: Failsafe bi-directional cylinder-lift
  • Compliance: Certified for residential and commercial applications

Buy the Buy ABB SU201M-K1 Part Number SU201M-K1 Online

Purchase the ABB SU201M-K1 miniature circuit breaker online today for dependable overcurrent and short circuit protection in residential and commercial electrical systems. This UL 489-certified device offers a compact single pole design with a rated current of 1A and a voltage of 480Y/277V, making it suitable for various applications. Its high interrupting capacity of 10 kA ensures safety against faults, while the durable thermoplastic housing and clear contact indication simplify installation and monitoring. Optimize your electrical setup with this reliable, easy-to-install circuit breaker now.

Get ABB SU201M-K1 today—built for reliable electrical circuit protection with high current capacity and easy DIN rail installation.

Frequently Asked Questions

Where can I buy ABB SU201MK1?

You can click on the BUY or RFQ button to purchase SU201MK1 from an authorized ABB distributor.

How do I troubleshoot issues or seek technical support for part SU201MK1?

You can download the SU201MK1 datasheet or visit the ABB website for support.

Who is the manufacturer of SU201MK1?

ABB

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