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E-T-A 4230T120K0CU2A Thermal Magnetic Circuit Breaker

This is a 2-pole thermal magnetic circuit breaker rated for 2 amps, suitable for 240VAC and 125VDC applications. It features a lever actuation for easy operation, screw terminals for secure connections, and complies with UL 489 standards. Designed for reliable protection of electrical circuits, it offers a high rupture capacity of 10,000A and a mechanical endurance of 20,000 cycles. The device is ideal for protecting motors, transformers, and industrial control systems in various applications, ensuring safety and long-lasting performance.

Authorized Distributors
Source:DigiKey
Part No:4230-T120-K0CU-2A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $66.13
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Part No:4230-T120-K0CU-2A
Stock:0
Inv Date:06-09-2026
Price: Unit price: $66.49
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Part No:4230-T120-K0CU-2A
Stock:25
Inv Date:06-08-2026
Price: Unit price: $68.47
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Part No:4230-T120-K0CU-2A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $47.79
Buy/RFQ:
Part No:4230-T120-K0CU-2A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $47.79
Buy/RFQ:

E-T-A 4230T120K0CU2A Thermal Magnetic Circuit Breaker Specifications:

  • Number of Poles: 2
  • Voltage Ratings: AC 240 V, AC 400 V, AC 277 V, AC 480 V, DC 60 V, DC 125 V
  • Current Rating Range: 1 A to 63 A
  • Rupture Capacity: 10,000 A (UL 489), 7,500 A (IEC/EN 60947-2)
  • Operational Voltage: AC 230/400/277/480 V, DC 60/125 V
  • Mechanical Endurance: 20,000 cycles
  • Electrical Endurance: 6,000 cycles
  • Operating Temperature: -35°C to +70°C
  • Terminal Type: Screw terminals
  • Mounting: DIN rail mounting
  • Dimensions and Weight: Approx. 116 g per pole
  • Insulation Coordination: 6 KV/3 (reinforced insulation)
  • Degree of Protection: IP20
  • Vibration Resistance: 10-57 Hz, 5 g
  • Shock Resistance: 30 g (11 ms)
  • Corrosion Resistance: Salt mist for 96 hrs
  • Humidity Resistance: 48 hrs at 95% RH, +40°C
  • Cable Cross-Section: 4-16 mm²
  • Certifications: UL 489, IEC/EN 60947-2, UL 1077

Buy the EA Series Circuit Breaker: 4230T120K0CU2A

Purchase the EA Series 4230T120K0CU2A circuit breaker online today to ensure reliable protection for your electrical systems. This 2-pole device operates efficiently at 240VAC and 125VDC, featuring screw terminals for secure connections, and complies with UL and IEC safety standards. Its high rupture capacity of 10,000A guarantees safe operation under fault conditions, while its DIN rail mounting allows straightforward installation. Perfect for protecting motors, transformers, and industrial equipment, this breaker combines durability, safety, and ease of use for all your electrical protection needs.

Get EA Series 4230T120K0CU2A today—built for precision and long-lasting durability.

Frequently Asked Questions

Where can I buy E-T-A 4230T120K0CU2A?

You can click on the BUY or RFQ button to purchase 4230T120K0CU2A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T120K0CU2A?

You can download the 4230T120K0CU2A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T120K0CU2A?

E-T-A

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