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ABB SU203MK4 Miniature Circuit Breaker

The ABB SU203M-K4 is a 3-pole mini circuit breaker rated for 4 amps and 240 VAC. It features a K-trip curve for selective tripping and is compliant with UL 489 standards. Designed for protecting electrical circuits against overloads and short circuits, it offers reliable performance with a 10,000-amp interrupting capacity. Its robust thermoplastic housing ensures durability, and the device includes a clear contact position indicator. Suitable for industrial applications requiring dependable circuit protection, this breaker integrates seamlessly with system accessories and DIN rail mounting for flexible installation.

ABB SU203MK4 Miniature Circuit Breaker Specifications:

  • Poles: 3P
  • Rated current: 4A
  • Rated voltage: 240 Vac
  • Interrupting capacity: 10kA
  • Standards: UL 489, IEC/EN 60947-2
  • Protection degree: IP20, IP40 in enclosure with cover
  • Mechanical endurance: 20,000 operations
  • Ambient temperature: -25°C to +55°C
  • Housing material: Thermoplastic
  • Mounting: DIN rail 35mm
  • Cross-section of conductors: 18-4 AWG
  • Tightening torque: 2.8 Nm
  • Protection class: II
  • Environmental conditions: Resistant to damp heat, shock, and vibration

Buy the ABB SU203M-K4 – Reliable Circuit Protection for Industrial Applications

Order the ABB SU203M-K4 miniature circuit breaker online today and ensure reliable circuit protection for your electrical system. Perfect for industrial, commercial, and automation scenarios, this 3-pole breaker with a 4A rating and UL 489 certification offers high performance with a 10kA interrupting capacity. Its durable thermoplastic housing and DIN rail mounting make installation straightforward. Protect equipment against overloads and short circuits efficiently with this dependable device, and enjoy fast, secure online purchasing for your electrical safety needs.

Get ABB SU203M-K4 today—built for precision and long-lasting durability in industrial circuit protection.

Frequently Asked Questions

Where can I buy ABB SU203MK4?

You can click on the BUY or RFQ button to purchase SU203MK4 from an authorized ABB distributor.

How do I troubleshoot issues or seek technical support for part SU203MK4?

You can download the SU203MK4 datasheet or visit the ABB website for support.

Who is the manufacturer of SU203MK4?

ABB

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