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E-T-A 4230T120K0DE40A Thermal Magnetic Circuit Breaker

This 2-pole thermal magnetic circuit breaker rated at 40A is designed for reliable protection of electrical systems in industrial environments. It features a lever actuator for easy operation, screw terminals for secure connections, and compliance with UL 1077 standards. Suitable for 480Y/277VAC and 125VDC applications, it can withstand high fault currents with rupture capacities up to 10,000 A. Its robust construction and high endurance make it ideal for protecting motors, transformers, and power supplies, ensuring safety and reliability across various installations.

Authorized Distributors
Source:DigiKey
Part No:4230-T120-K0DE-40A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $30.94
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Part No:4230-T120-K0DE-40A
Stock:0
Inv Date:06-09-2026
Price: Unit price: $31.38
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Part No:4230-T120-K0DE-40A
Stock:2
Inv Date:06-08-2026
Price: Unit price: $33.76
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Part No:4230-T120-K0DE-40A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
Buy/RFQ:
Part No:4230-T120-K0DE-40A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
Buy/RFQ:

E-T-A 4230T120K0DE40A Thermal Magnetic Circuit Breaker Specifications:

  • Current Rating: 40A
  • Number of Poles: 2
  • Voltage Rating: 480Y/277VAC, 125VDC
  • Rupture Capacity: 10,000 A (UL 489), 7,500 A (IEC/EN 60947-2)
  • Actuator Type: Lever
  • Terminals: Screw terminals
  • Electrical Endurance: 6,000 cycles
  • Mechanical Endurance: 20,000 cycles
  • Insulation Coordination: 6 KV/3 (reinforced insulation)
  • Degree of Protection: IP20
  • Mounting: DIN rail
  • Mass: Approx. 116 g per pole
  • Operating Temperature: -35°C to +70°C

Buy the E-T-A 4230T120K0DE40A – Reliable Circuit Breaker for Industrial Applications

Secure your electrical setup with the E-T-A thermal magnetic circuit breaker designed for industrial use. Rated at 40A, it offers high rupture capacity, easy lever actuation, and screw terminals for secure connections. Ideal for protecting motors, transformers, and power supplies in demanding environments, this UL 1077-compliant breaker ensures safety, durability, and reliable operation. Whether for new installations or replacements, order online now to enjoy fast delivery and trusted quality for your electrical protection needs.

Buy E-T-A 4230T120K0DE40A now and experience unmatched reliability and performance in protecting your electrical systems with high endurance and safety features.

Frequently Asked Questions

Where can I buy E-T-A 4230T120K0DE40A?

You can click on the BUY or RFQ button to purchase 4230T120K0DE40A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T120K0DE40A?

You can download the 4230T120K0DE40A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T120K0DE40A?

E-T-A

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