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E-T-A 4230T120K0CU6A Thermal Magnetic Circuit Breaker

This dual-pole thermal-magnetic circuit breaker rated for 6A is designed for reliable protection in 240VAC and 125VDC systems. It features lever actuation, screw terminals for secure wiring, and complies with UL 489 and IEC 60947-2 standards. Suitable for protecting cables, motors, and transformers in industrial, telecommunications, and power supply applications, it offers high rupture capacity and durability, with tested resistance to vibration, shock, and corrosion. Easy to install on DIN rails, this breaker ensures safety and long-lasting performance in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:4230-T120-K0CU-6A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $66.13
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Part No:4230-T120-K0CU-6A
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Inv Date:06-09-2026
Price: Unit price: $66.49
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Part No:4230-T120-K0CU-6A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $67.63
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Part No:4230-T120-K0CU-6A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $47.79
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Part No:4230-T120-K0CU-6A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $47.79
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Part No:4230-T120-K0CU-6A
Stock:2
Inv Date:06-08-2026
Price: Unit price: $139.57
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E-T-A 4230T120K0CU6A Thermal Magnetic Circuit Breaker Specifications:

  • Rated Current: 6A
  • Poles: 2-pole
  • Voltage Rating: AC 240V, DC 125V
  • Breaking Capacity: 10,000 A (UL 489), 7,500 A (IEC/EN 60947-2)
  • Standards Compliance: UL 489, IEC/EN 60947-2, UL 1077
  • Mounting: DIN rail
  • Terminal Type: Screw terminals
  • Terminal Torque: 2.0 Nm max
  • Material: Polyamide housing, copper contacts
  • Vibration Resistance: 10-57 Hz, ±0.38 mm
  • Shock Resistance: 30g for 11 ms
  • Corrosion Resistance: Salt mist for 96 hours
  • Humidity Resistance: 48 hours at 95% RH, +40°C
  • Environmental Temperature Range: -35°C to +70°C
  • Mass: Approx. 116 g per pole

Buy the Reliable circuit breaker for industrial applications

Order the Steven Engineering 4230T120K0CU6A circuit breaker online today and ensure reliable overload protection with easy DIN rail mounting and screw terminals. Perfect for industrial environments requiring robust, UL 489-compliant switches capable of handling 6A currents in both AC and DC systems. Designed to withstand harsh conditions, resist vibration, shock, and corrosion, it guarantees safety and performance in protecting cables, motors, transformers, and power supplies. Invest in this easy-to-install, durable circuit breaker for all your electrical safety needs and ensure seamless, long-term operation.

Get Steven Engineering 4230T120K0CU6A today—built for precision and long-lasting durability in electrical protection systems.

Frequently Asked Questions

Where can I buy E-T-A 4230T120K0CU6A?

You can click on the BUY or RFQ button to purchase 4230T120K0CU6A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T120K0CU6A?

You can download the 4230T120K0CU6A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T120K0CU6A?

E-T-A

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