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E-T-A 4230T120K0BE20A Thermal Magnetic Circuit Breaker

This 2-pole thermal magnetic circuit breaker rated for 20A provides reliable protection for electrical circuits operating at 480Y/277VAC and 125VDC. Designed for DIN rail mounting, it features a toggle lever actuator, screw terminal connections, and high rupture capacity of up to 10,000A depending on standards. Suitable for protecting cables, motors, transformers, and sensitive electronic equipment, it ensures safe operation with a positive trip mechanism. Complies with UL 1077 and IEC 60947-2 standards for enhanced safety and performance, making it an ideal choice for industrial and commercial electrical systems.

Authorized Distributors
Source:DigiKey
Part No:4230-T120-K0BE-20A
Stock:4
Inv Date:06-08-2026
Price: Unit price: $29.35
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Part No:4230-T120-K0BE-20A
Stock:18
Inv Date:06-09-2026
Price: Unit price: $31.38
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Part No:4230-T120-K0BE-20A
Stock:1
Inv Date:06-08-2026
Price: Unit price: $31.11
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Part No:4230-T120-K0BE-20A
Stock:39
Inv Date:06-08-2026
Price: Unit price: $18.94
Buy/RFQ:
Part No:4230-T120-K0BE-20A
Stock:39
Inv Date:06-08-2026
Price: Unit price: $18.94
Buy/RFQ:

E-T-A 4230T120K0BE20A Thermal Magnetic Circuit Breaker Specifications:

  • Number of Poles: 2
  • Rated Current: 20A
  • Voltage Rating: AC 480V, AC 277V, DC 125V
  • Trip Characteristics: Thermal and magnetic trip with high rupture capacity (up to 10,000A)
  • Operating Frequency: 50/60Hz
  • Mounting Type: DIN rail mounting
  • Terminal Type: Screw terminals, vertical connection possible
  • Mass: approximately 131 g per pole
  • Enclosure Protection Degree: IP20
  • Operating Temperature: -35°C to +70°C
  • Compliance Standards: UL 1077, IEC 60947-2, UL 489 (for some versions)

Buy the Buy Steven Engineering Circuit Breaker Part Number 4230T120K0BE20A Online

Secure your electrical systems with this 2-pole thermal magnetic circuit breaker rated at 20A. Compatible with 480Y/277VAC and 125VDC, it features DIN rail mounting, screw terminal connections, and complies with UL 1077 standards. Designed for protecting motors, transformers, and sensitive electronics, this circuit breaker ensures safety through thermal and magnetic trip mechanisms, high rupture capacity, and robust construction. Purchase online today to ensure reliable circuit protection for your industrial and commercial applications.

Buy Steven Engineering 4230T120K0BE20A circuit breaker now and experience unmatched reliability and performance for industrial protection.

Frequently Asked Questions

Where can I buy E-T-A 4230T120K0BE20A?

You can click on the BUY or RFQ button to purchase 4230T120K0BE20A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T120K0BE20A?

You can download the 4230T120K0BE20A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T120K0BE20A?

E-T-A

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