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E-T-A 4230T120K0CE40A Thermal Magnetic Circuit Breaker

This thermal magnetic circuit breaker offers reliable overcurrent protection with a 2-pole design rated at 40A, suitable for industrial and electrical systems. It supports voltages of 480Y/277VAC and 125VDC, featuring screw terminals for secure connections and a manual toggle for operation. Designed in accordance with UL 1077 standards, it ensures safety and durability for protecting cables, motors, and power supplies in various industrial applications. Its high rupture capacity ensures safe operation under overcurrent conditions, making it essential for industrial automation and electrical control systems.

Authorized Distributors
Source:DigiKey
Part No:4230-T120-K0CE-40A
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Inv Date:06-08-2026
Price: Unit price: $30.94
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Part No:4230-T120-K0CE-40A
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Inv Date:06-09-2026
Price: Unit price: $31.38
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Part No:4230-T120-K0CE-40A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $31.59
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Part No:4230-T120-K0CE-40A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
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Part No:4230-T120-K0CE-40A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
Buy/RFQ:

E-T-A 4230T120K0CE40A Thermal Magnetic Circuit Breaker Specifications:

  • Current Rating: 40A
  • Voltage Support: 480Y/277VAC, 125VDC
  • Pole Configuration: 2-pole
  • Standards: UL 1077
  • Rupture Capacity: 10,000 A (UL 489 version)
  • Number of Cycles: Mechanical 20,000, Electrical 6,000
  • Terminal Type: Screw terminals
  • Mounting: DIN rail mounting
  • Ambient Temperature: -35°C to +70°C
  • Degree of Protection: IP20
  • Mass: Approx. 131 g per pole
  • Conforms to IEC/EN 60947-2
  • Tightening Torque: 2 N·m max.
  • Application: Overcurrent and short circuit protection in industrial control panels
  • Short Circuit Rating: 10 kA at 240V, 277V, and 480V
  • Vibration Resistance: IEC 60068-2-6
  • Shock Resistance: IEC 60068-2-27
  • Corrosion and Humidity Testing: IEC 60068-2-11, 60068-2-78

Buy the Steven Engineering 4230T120K0CE40A – Reliable Industrial Circuit Breaker for Electrical Protection

Secure your electrical systems with the high-quality thermal magnetic circuit breaker. Rated at 40A and compliant with UL 1077, it provides reliable overcurrent protection for a wide range of industrial applications. Easy to install with screw terminals and DIN rail mounting, this breaker is ideal for protecting cables, motors, and power supplies. Its rugged construction ensures durability under harsh conditions. Purchase online today and safeguard your electrical infrastructure with a trusted, high-performance circuit breaker designed for safety and longevity.

Buy Steven Engineering 4230T120K0CE40A now and experience unmatched reliability and performance for industrial circuit protection.

Frequently Asked Questions

Where can I buy E-T-A 4230T120K0CE40A?

You can click on the BUY or RFQ button to purchase 4230T120K0CE40A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T120K0CE40A?

You can download the 4230T120K0CE40A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T120K0CE40A?

E-T-A

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