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E-T-A 4230T120K0BE1A Thermal Magnetic Circuit Breaker

This 2-pole thermal magnetic circuit breaker rated for 1A supports 480Y/277VAC and 125VDC. It features a lever actuator, screw terminals for secure connections, and complies with UL 1077 standards. Suitable for protection of electrical circuits, motors, transformers, and sensitive equipment, it offers high rupture capacity and reliable trip-free operation. Its compact design includes interchangeable accessories like busbars and end caps, enabling easy integration into control panels. Designed for DIN rail mounting, it ensures safe and efficient circuit protection in industrial and commercial electrical systems.

Authorized Distributors
Source:DigiKey
Part No:4230-T120-K0BE-1A
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Inv Date:06-08-2026
Price: Unit price: $30.94
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Part No:4230-T120-K0BE-1A
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Inv Date:06-09-2026
Price: Unit price: $31.38
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Part No:4230-T120-K0BE-1A
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Inv Date:06-08-2026
Price: Unit price: $31.73
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Part No:4230-T120-K0BE-1A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
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Part No:4230-T120-K0BE-1A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
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E-T-A 4230T120K0BE1A Thermal Magnetic Circuit Breaker Specifications:

  • Poles: 2-pole
  • Rated current: 1A
  • Voltage support: AC 480Y/277V, DC 125V
  • Interrupt capacity: 10,000 A (UL 489), 7,500 A (IEC/EN 60947-2)
  • Number of operations: 6,000 electrical cycles, 20,000 mechanical cycles
  • Mounting: DIN rail
  • Terminals: Screw terminals, vertical connection possible
  • Tightening torque: 2.Nm max
  • Mass: approx. 131 g per pole
  • Insulation coordination: 6 KV reinforced insulation
  • Operating temperature: -35°C to +70°C
  • Degree of protection: IP20
  • Suitable accessories: Busbars, end caps
  • Compliance: UL 1077, IEC 60947-2, UL 489
  • Vibration resistance: 10-87 Hz, 5g, Shock: 30 g for 11 ms, Corrosion: 96 hrs salt mist test, Humidity: 48 hours at 95% RH

Buy the Steven Engineering Series 4230 Thermal Magnetic Circuit Breaker: 4230T120K0BE1A

Purchase the Steven Engineering Series 4230T120K0BE1A circuit breaker online today to ensure reliable electrical protection in your system. Featuring a 2-pole design, 1A current rating, and support for multiple voltages including 480Y/277VAC and 125VDC, it offers high rupture capacity and compliance with UL standards. Easy to install with screw terminals and DIN rail mounting, this breaker is ideal for protecting motors, transformers, and sensitive electronic equipment. Secure your electrical systems now with this durable and versatile circuit protection solution.

Buy Steven Engineering Series 4230T120K0BE1A now and experience unmatched reliability and performance with high rupture capacity and easy DIN rail mounting.

Frequently Asked Questions

Where can I buy E-T-A 4230T120K0BE1A?

You can click on the BUY or RFQ button to purchase 4230T120K0BE1A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T120K0BE1A?

You can download the 4230T120K0BE1A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T120K0BE1A?

E-T-A

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