127-T12-H-3A The E-T-A 127-T12-H-3A is a single-pole thermal circuit breaker designed for overcurrent protection. It features a push-to-reset actuator and DIN rail mounting.
Mfr Part #:

127-T12-H-3A

Mfr Name: ETA
ETA
The E-T-A 127-T12-H-3A is a single-pole thermal circuit breaker designed for overcurrent protection. It features a push-to-reset actuator and DIN rail mounting.
Stock on Request

127-T12-H-3A Specifications Quick View

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

127-T12-H-3A Description

Short technical summary and product information.

The E-T-A 127-T12-H-3A is a single-pole thermal overcurrent circuit breaker featuring a push-to-reset, trip-free snap-action mechanism. It is approved to CBE standard EN 60934 (IEC 60934) and suitable for applications such as motors, transformers, solenoids, and battery chargers.

 

This circuit breaker has a voltage rating of 250V AC and 28V DC (UL: 250V AC, 50V DC) and a current rating of 3A. It is designed for DIN rail mounting and offers an ingress protection rating of IP40 in the operating area.

 

Key technical data includes an ambient temperature range of -20 to 60°C, a typical life of 5,000 operations at 2x IN, and interrupting capacities of 200A (Icn for 6-12A) and 300A (Icn for 13-25A). It is also approved by UL 1077, CSA C22.2 No 235, GB 17701, and IEC 60934.

127-T12-H-3A Quick Information

Product Type: Thermal Circuit Breaker
Series: 127
Canonical Name: E-T-A 127-T12-H-3A Thermal Overcurrent Circuit Breaker
Subcategory: Thermal Overcurrent Circuit Breaker

127-T12-H-3A Compliance

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

127-T12-H-3A Features

  • Single-pole thermal overcurrent circuit breaker.
  • Features a push-to-reset actuator.
  • Rated for 250V AC and 50V DC.
  • Designed for DIN rail mounting.
  • Approved by UL, CSA, IEC, and CQC.

127-T12-H-3A Applications

  • Protects motors and transformers.
  • Suitable for battery chargers.
  • Used in extra low voltage systems.
  • Ideal for solenoid protection.

127-T12-H-3A FAQs

7 frequently asked questions generated from this part’s specifications.
What are the voltage ratings for the 127-T12-H-3A?

The circuit breaker is rated for 250V AC, 28V DC, and 50V DC (UL).

What is the operating temperature range?

-20 to 60°C.

What is the mounting type?

DIN Rail.

What is the current rating?

The 127-T12-H-3A is rated for 3A nominal current.

What type of actuator does it have?

Push-to-Reset.

What approvals does it carry?

CSA C22.2 No 235, GB 17701, IEC 60934, UL1077.

What environmental tests does the breaker pass?

Vibration 8g (57-500 Hz), shock 25g (11ms), corrosion 96h in 5% salt mist, humidity 240h at 95% RH.

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