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E-T-A 4230T120K0DE4A Thermal Magnetic Circuit Breaker

This 2-pole thermal magnetic circuit breaker rated for 4 Amps is designed for both AC and DC applications, including 480Y/277VAC and 125VDC environments. It features a lever actuation mechanism, screw terminals for secure connections, and high rupture capacity up to 10,000 A. Suitable for protecting motors, transformers, and power supplies, it complies with UL 1077 and IEC 60947-2 standards. Its rugged construction ensures reliable performance in industrial control systems, process automation, and electrical distribution panels, with an ambient temperature range of -35°C to +70°C and easy DIN rail mounting.

Authorized Distributors
Source:DigiKey
Part No:4230-T120-K0DE-4A
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Inv Date:06-08-2026
Price: Unit price: $30.94
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Part No:4230-T120-K0DE-4A
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Inv Date:06-09-2026
Price: Unit price: $31.38
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Part No:4230-T120-K0DE-4A
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Inv Date:06-08-2026
Price: Unit price: $31.59
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Part No:4230-T120-K0DE-4A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
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Part No:4230-T120-K0DE-4A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
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E-T-A 4230T120K0DE4A Thermal Magnetic Circuit Breaker Specifications:

  • Number of poles: 2
  • Rated Current: 4 Amps
  • Rated Voltage: AC 480Y/277V, DC 125V
  • Rupture Capacity: 10,000 A (UL 489), 7,500 A (IEC/EN 60947-2)
  • Operating temperature: -35°C to +70°C
  • Mounting: DIN rail
  • Terminal type: Screw terminals
  • Material: Reinforced insulation, rugged construction
  • Temperature Rise Rating: Thermal 1.05 - 1.30 * In; Magnetic 6.4 - 9.6% In
  • Vibration & Shock Resistance: IEC compliant, 10-57Hz + 5g, 11ms shock test
  • Corrosion & Humidity Resistance: IEC tested, salt mist & humidity tests
  • Mass: Approx. 131 g per pole

Buy the Buy EA Thermal Magnetic Circuit Breaker Part Number 4230T120K0DE4A Online

Order the EA thermal magnetic circuit breaker 4230T120K0DE4A today online to secure your electrical system with a reliable, UL-certified device. This 2-pole 4A breaker offers high rupture capacity, suitable for AC and DC applications across industrial automation, power distribution, and control panels. Its DIN rail mounting and screw terminals enable fast, secure installation. Designed for long-lasting performance, it withstands vibration, shock, and harsh environmental conditions. Protect your equipment efficiently and confidently by buying this high-quality breaker online, ensuring safety and compliance in your electrical infrastructure.

Buy EA 4230T120K0DE4A thermal magnetic circuit breaker now to ensure reliable overcurrent protection for your industrial systems, with easy DIN rail installation and high rupture capacity.

Frequently Asked Questions

Where can I buy E-T-A 4230T120K0DE4A?

You can click on the BUY or RFQ button to purchase 4230T120K0DE4A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T120K0DE4A?

You can download the 4230T120K0DE4A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T120K0DE4A?

E-T-A

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