4230-T120-K0DU-50A The E-T-A 4230-T120-K0DU-50A is a 2-pole thermal magnetic circuit breaker designed for DIN rail mounting. It offers a current rating of 50A and a voltage rating of 480VAC/125VDC.
Mfr Part #:

4230-T120-K0DU-50A

Mfr Name: ETA
ETA
The E-T-A 4230-T120-K0DU-50A is a 2-pole thermal magnetic circuit breaker designed for DIN rail mounting. It offers a current rating of 50A and a voltage rating of 480VAC/125VDC.
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4230-T120-K0DU-50A Specifications Quick View

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

4230-T120-K0DU-50A Description

Short technical summary and product information.

This E-T-A 4230-T series miniature circuit breaker (MCB) is a thermal-magnetic type designed for reliable circuit protection. It features a 2-pole configuration and is suitable for DIN rail mounting.

 

The breaker boasts a high rupture capacity of 10,000 A (AC/DC) according to UL 489 and IEC/EN 60947-2 standards. It has a current rating of 50A and can handle AC voltages up to 480V and DC voltages up to 125V. The operating ambient temperature range is -35°C to +70°C.

 

Key specifications include a mechanical life of 20,000 cycles and an electrical life of 6,000 cycles. The terminals are screw-type, with a maximum tightening torque of 2 Nm and a stripping length of 14 mm. Cable cross-sections up to 35 mm² are supported.

 

Typical applications for this circuit breaker include protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers, industrial process control systems, telecommunications equipment, and power supplies.

4230-T120-K0DU-50A 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-K0DU-50A Compliance

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

4230-T120-K0DU-50A Features

  • 2-pole thermal magnetic circuit breaker.
  • 50A current rating.
  • 480VAC/125VDC voltage rating.
  • DIN rail mounting.
  • High rupture capacity (10kA).

4230-T120-K0DU-50A Applications

  • Protects cables and motors.
  • Used for generators and transformers.
  • Suitable for power supplies.
  • Protects control systems.
  • Ideal for telecommunications.

4230-T120-K0DU-50A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 4230-T120-K0DU-50A circuit breaker?

The current rating is 50A.

What are the voltage ratings for the 4230-T120-K0DU-50A?

It has AC voltage ratings of 240V, 415V, 277V, 480Y/277V, and 120V, and DC voltage ratings of 80V, 125V, and 60V.

How many poles does this circuit breaker have?

This circuit breaker has 2 poles.

What type of mounting does the 4230-T120-K0DU-50A use?

It is designed for DIN rail mounting.

What is the rupture capacity of this circuit breaker?

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

What is the operating temperature range for this E-T-A circuit breaker?

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

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