4230-T120-K0CE-20A The E-T-A 4230-T120-K0CE-20A is a 2-pole thermal-magnetic miniature circuit breaker designed for DIN rail mounting. It offers a current rating of 20A and voltage ratings up to 480VAC/125VDC.
Mfr Part #:

4230-T120-K0CE-20A

Mfr Name: ETA
ETA
The E-T-A 4230-T120-K0CE-20A is a 2-pole thermal-magnetic miniature circuit breaker designed for DIN rail mounting. It offers a current rating of 20A and voltage ratings up to 480VAC/125VDC.
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4230-T120-K0CE-20A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating (Amps)
Illumination
Industrial Grade
Mounting Type
Number of Poles
Operating Temperature
Terminal Type
Voltage Rating

4230-T120-K0CE-20A Description

Short technical summary and product information.

The E-T-A 4230-T120-K0CE-20A is a thermal-magnetic miniature circuit breaker (MCB) designed for reliable protection in various applications. It features a 2-pole configuration and is suitable for DIN rail mounting.

 

This circuit breaker boasts a high rupture capacity, rated to IEC/EN 60947-2 at 7,500 A (Ics) AC and 10,000 A (Ics) DC. It also meets UL 489 standards with an AC/DC 10,000 A rupture capacity. The device operates within an ambient temperature range of -35°C to +70°C and has a mechanical life of 20,000 cycles and an electrical life of 6,000 cycles.

 

Key electrical specifications include voltage ratings up to 480VAC and 125VDC, with a specific current rating of 20A. The terminals are screw-type, supporting cable cross-sections up to 35 mm² with a maximum tightening torque of 2 Nm.

 

Typical applications include the protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers, industrial process control systems, telecommunications equipment, and power supplies. Its robust construction and compliance with standards like EN 60947-2, UL 1077, and UL 489 make it a versatile choice for demanding environments.

4230-T120-K0CE-20A Quick Information

Product Type: Circuit Breaker
Series: 4230-T
Canonical Name: E-T-A 4230-T Series Thermal-Magnetic Miniature Circuit Breaker
Subcategory: Thermal Magnetic

4230-T120-K0CE-20A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

4230-T120-K0CE-20A Features

  • 2-pole thermal-magnetic miniature circuit breaker.
  • Rated for 20A and up to 480VAC/125VDC.
  • High rupture capacity up to 10,000 A.
  • DIN rail mounting for easy installation.
  • Wide operating temperature range of -35°C to +70°C.

4230-T120-K0CE-20A Applications

  • Protects cables, motors, and transformers.
  • Suitable for thyristors and silicon rectifiers.
  • Used in computer and power supply systems.
  • Ideal for telecommunications equipment.
  • Supports industrial process control systems.

4230-T120-K0CE-20A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 4230-T120-K0CE-20A circuit breaker?

The current rating for this circuit breaker is 20A.

What are the voltage ratings for the 4230-T120-K0CE-20A?

It has voltage ratings of up to 480 VAC and 125 VDC.

How many poles does this circuit breaker have?

This circuit breaker has 2 poles.

What type of breaker is the 4230-T120-K0CE-20A?

It is a thermal magnetic type circuit breaker.

What is the mounting type for this circuit breaker?

The mounting type is DIN Rail.

What is the operating temperature range for this circuit breaker?

The ambient temperature range is -35°C to +70°C.

What is the rupture capacity according to IEC/EN 60947-2?

The rupture capacity is 7,500 A (Ics) AC and 10,000 A (Ics) DC.

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