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E-T-A 4230T110K0BU20A Thermal Magnetic Circuit Breaker

This is a single-pole thermal magnetic circuit breaker rated for 20 amps. It operates at 277VAC or 60VDC and features a lever actuator with screw terminal connections. Compliant with UL 489 standards. Designed for reliable overload and short circuit protection, it is suitable for industrial and commercial electrical systems. The breaker provides high rupture capacity and adheres to safety certifications, ensuring durability and dependable circuit interruption. Its compact design and DIN rail mounting make it ideal for control panels and electrical distribution units.

Authorized Distributors
Source:DigiKey
Part No:4230-T110-K0BU-20A
Stock:7
Inv Date:06-08-2026
Price: Unit price: $30.62
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Part No:4230-T110-K0BU-20A
Stock:2
Inv Date:06-09-2026
Price: Unit price: $32.3
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Part No:4230-T110-K0BU-20A
Stock:5
Inv Date:06-08-2026
Price: Unit price: $11.84
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Part No:4230-T110-K0BU-20A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $21.72
Buy/RFQ:
Part No:4230-T110-K0BU-20A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $21.72
Buy/RFQ:

E-T-A 4230T110K0BU20A Thermal Magnetic Circuit Breaker Specifications:

  • Current Rating: 20 A
  • Voltage Rating: AC 277 V, DC 60 V
  • Number of Poles: 1
  • Mounting Type: DIN Rail
  • Terminal Type: Screw Terminals
  • Rupture Capacity: 10,000 A (UL 489)
  • Breaking Capacity (Icu): 10,000 A
  • Mechanical Endurance: 20,000 cycles
  • Electrical Endurance: 6,000 cycles
  • Vibration Resistance: ±0.38 mm (10-57 Hz), 5 g
  • Shock Resistance: 30 g (11 ms)
  • Temperature Range: -35°C to +70°C
  • Degree of Protection: IP20
  • Mass: Approx. 116 g
  • Certifications: UL 489, IEC/EN 60947-2, UL 1077

Buy the Steven Engineering Series 4230 20A Circuit Breaker: 4230T110K0BU20A

Purchase the Steven Engineering Series 4230 circuit breaker online today and experience dependable circuit protection for industrial and commercial applications. This 20A breaker, suitable for AC and DC systems, features screw terminals, DIN rail mounting, and high rupture capacity. Its compact design makes it perfect for panel installations, providing reliable overload and short circuit protection. With compliance to UL 489 and IEC standards, this breaker ensures safety, durability, and efficient operation. Buy now for quick, secure online ordering and enhance your electrical safety.

Order your Steven Engineering Series 4230 20A circuit breaker today and ensure reliable overload protection for your electrical systems with this compact, UL-compliant device.

Frequently Asked Questions

Where can I buy E-T-A 4230T110K0BU20A?

You can click on the BUY or RFQ button to purchase 4230T110K0BU20A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T110K0BU20A?

You can download the 4230T110K0BU20A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T110K0BU20A?

E-T-A

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