myMectronic
myMectronic

A Premier B2B Part Search

E-T-A 4230T120K0DE25A Thermal Magnetic Circuit Breaker

This is a 2-pole thermal magnetic circuit breaker rated for 25A, designed for use with 480Y/277VAC and 125VDC systems. It features a lever handle and screw terminals for secure installation, ensuring reliable electrical protection for industrial and commercial applications. Certified under UL 1077 standards, this breaker provides high rupture capacity and complies with IEC/EN 60947-2. Suitable for protecting motors, transformers, and power supplies, it offers durable performance for demanding environments.

Authorized Distributors
Source:DigiKey
Part No:4230-T120-K0DE-25A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $30.94
Buy/RFQ:
Part No:4230-T120-K0DE-25A
Stock:0
Inv Date:06-09-2026
Price: Unit price: $31.38
Buy/RFQ:
Part No:4230-T120-K0DE-25A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $31.59
Buy/RFQ:
Part No:4230-T120-K0DE-25A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
Buy/RFQ:
Part No:4230-T120-K0DE-25A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
Buy/RFQ:

E-T-A 4230T120K0DE25A Thermal Magnetic Circuit Breaker Specifications:

  • Number of Poles: 2-pole
  • Current Rating: 25A
  • Voltage Rating: AC 480V, AC 277V, DC 125V
  • Trip Characteristics: Thermal 1.05 - 1.30 In; Magnetic 6.4 - 9.6% In
  • Rupture Capacity: 10,000 A (UL 489), 7,500 A (IEC/EN 60947-2)
  • Endurance: Mechanical 20,000 cycles, Electrical 6,000 cycles
  • Dimensions: Approx. 116 g per pole, Mounting on DIN rail
  • Terminal Type: Screw terminals
  • Ambient Temperature: -35°C to +70°C
  • Insulation Coordination: 6 KV / 3 (reinforced insulation)
  • Degree of Protection: IP20
  • Vibration Resistance: 10-57 Hz, 5 g
  • Shock Resistance: 30 g (IEC 60068-2-27)
  • Corrosion Resistance: Salt mist testing 96 hours (IEC 60068-2-11)
  • Humidity Resistance: 48 hours at 95% RH at +40°C

Buy the Steven Engineering 4230T120K0DE25A – Reliable Thermal Magnetic Circuit Breaker for Industrial Applications

Purchase the Steven Engineering 4230T120K0DE25A circuit breaker online for dependable electrical protection. Designed with durable screw terminals and UL 1077 certification, this 2-pole device ensures safe, reliable operation in industrial and commercial settings. The breaker is rated for 25A at 480Y/277V and 125VDC, with high rupture capacity and robust performance. Easy to install on DIN rails, it offers long-lasting durability and consistent protection for motors, transformers, and power supplies. Buy now for trusted electrical safety.

Get Steven Engineering 4230T120K0DE25A today—built for precision, durability, and reliable electrical protection in demanding environments.

Frequently Asked Questions

Where can I buy E-T-A 4230T120K0DE25A?

You can click on the BUY or RFQ button to purchase 4230T120K0DE25A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T120K0DE25A?

You can download the 4230T120K0DE25A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T120K0DE25A?

E-T-A

Sponsored by