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E-T-A 4230T120K0BE40A Thermal Magnetic Circuit Breaker

The two-pole thermal magnetic circuit breaker rated for 40A provides reliable overcurrent protection for electrical systems operating at 480Y/277VAC or 125VDC. Featuring a lever actuator and screw terminals, it ensures easy installation and secure connections. Designed in accordance with UL 1077 standards, this breaker offers high rupture capacity and robust insulation coordination for industrial applications. Suitable for protecting cables, motors, transformers, and electronic equipment, its compact design makes it ideal for DIN rail mounting in control panels and distribution boards, ensuring safety and durability in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:4230-T120-K0BE-40A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $30.94
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Part No:4230-T120-K0BE-40A
Stock:0
Inv Date:06-09-2026
Price: Unit price: $31.38
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Part No:4230-T120-K0BE-40A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $31.59
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Part No:4230-T120-K0BE-40A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
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Part No:4230-T120-K0BE-40A
Stock:0
Inv Date:06-08-2026
Price: Unit price: $19.4
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E-T-A 4230T120K0BE40A Thermal Magnetic Circuit Breaker Specifications:

  • Number of Poles: 2
  • Current Rating: 40A
  • Voltage Rating: AC 480V / 277VAC, DC 125V
  • Connection Type: Screw terminals
  • Operation: Thermomagnetic, lever actuator
  • Standards: UL 1077, IEC 60947-2 compliant
  • Rupture Capacity: 10,000 A (UL 489), 7,500A (IEC)
  • Insulation Coordination: 6 KV reinforced insulation
  • Temperature Range: -35°C to +70°C
  • Mounting: DIN rail
  • Mass: Approx. 131 g per pole
  • Environmental Resistance: Resistance to vibration, shock, corrosion, humidity
  • Tightening Torque: 2 N·m maximum
  • Cable Cross Section: Up to 35 mm²

Buy the Steven Engineering 4230T120K0BE40A – Reliable Circuit Breaker for Industrial Applications

Secure your electrical systems with the Steven Engineering 4230T120K0BE40A two-pole thermal magnetic circuit breaker. Rated for 40A with high rupture capacity, it is UL 1077 compliant for safety. Designed for DIN rail mounting, it features screw terminals for secure connections and a lever actuator for easy operation. Ideal for protecting cables, motors, transformers, and electronic equipment in industrial environments, this circuit breaker offers durability, reliability, and excellent overload protection in demanding applications.

Buy Steven Engineering 4230T120K0BE40A now and experience unmatched reliability and performance in industrial protection solutions.

Frequently Asked Questions

Where can I buy E-T-A 4230T120K0BE40A?

You can click on the BUY or RFQ button to purchase 4230T120K0BE40A from an authorized E-T-A distributor.

How do I troubleshoot issues or seek technical support for part 4230T120K0BE40A?

You can download the 4230T120K0BE40A datasheet or visit the E-T-A website for support.

Who is the manufacturer of 4230T120K0BE40A?

E-T-A

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