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E-T-A 4230T120K0DU4A Thermal Magnetic Circuit Breaker

This thermal magnetic circuit breaker provides reliable overcurrent protection for industrial electrical systems, featuring a 2-pole design with a 4A current rating. Suitable for 240VAC and 125VDC applications, it ensures safety and stability in protecting cables, motors, transformers, and electronics. With lever operation and screw terminals for easy installation, it complies with UL 489 standards. The breaker offers high rupture capacity, robust construction, and is designed for DIN rail mounting, making it a versatile component in industrial control and automation setups.

Authorized Distributors
Source:DigiKey
Part No:4230-T120-K0DU-4A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $66.13
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Part No:4230-T120-K0DU-4A
Stock:0
Inv Date:06-09-2026
Price: Unit price: $66.49
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Part No:4230-T120-K0DU-4A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $67.63
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Part No:4230-T120-K0DU-4A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $47.79
Buy/RFQ:
Part No:4230-T120-K0DU-4A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $47.79
Buy/RFQ:

E-T-A 4230T120K0DU4A Thermal Magnetic Circuit Breaker Specifications:

  • Number of Poles: 2
  • Current Rating: 4A
  • Voltage Rating: 240VAC, 125VDC
  • Standards: UL 489, IEC/EN 60947-2, UL 1077
  • Rupture Capacity: 10,000 A (UL 489), 7,500 A (IEC 60947-2)
  • Mechanical Endurance: 20,000 cycles
  • Electrical Endurance: 6,000 cycles
  • Operating temperature: -35°C to +70°C
  • Terminals: Screw terminals, vertical connection compatible
  • Mounting: DIN rail mounting
  • Mass: Approximately 116 g per pole
  • Vibration resistance: Tests to IEC 60068-2-6
  • Shock resistance: Tests to IEC 60068-2-27
  • Corrosion resistance: Salt mist test 96 hours
  • Humidity resistance: 48 hours at 95% RH, +40°C
  • Insulation coordination: 6 KV (reinforced insulation)

Buy the E-T-A 4230T120K0DU4A – Reliable Circuit Breaker for Industrial Applications

Experience dependable electrical safety with the E-T-A thermal magnetic circuit breaker, 2-pole, 4A current rating, suitable for 240VAC or 125VDC systems. With UL 489 standards compliance, lever operation, screw terminals, and a high rupture capacity, it offers reliable protection for cables, motors, transformers, and electronic equipment. Its DIN rail mounting design ensures easy installation in industrial control panels. Whether for protecting machinery, power supplies, or automation systems, this circuit breaker guarantees performance and safety in demanding environments.

Order your E-T-A Series 4230T120K0DU4A thermal magnetic circuit breaker today and ensure reliable overcurrent protection for your industrial electrical systems.

Frequently Asked Questions

Where can I buy E-T-A 4230T120K0DU4A?

You can click on the BUY or RFQ button to purchase 4230T120K0DU4A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T120K0DU4A?

You can download the 4230T120K0DU4A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T120K0DU4A?

E-T-A

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