3120-N521-P7T1-W01D-20A The E-T-A 3120-N521-P7T1-W01D-20A is a 2-pole thermal circuit breaker designed for panel mounting. It offers a current rating of 20A and a voltage rating of up to 415V.
Mfr Part #:

3120-N521-P7T1-W01D-20A

Mfr Name: ETA
ETA
The E-T-A 3120-N521-P7T1-W01D-20A is a 2-pole thermal circuit breaker designed for panel mounting. It offers a current rating of 20A and a voltage rating of up to 415V.
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3120-N521-P7T1-W01D-20A Specifications Quick View

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

3120-N521-P7T1-W01D-20A Description

Short technical summary and product information.

The E-T-A 3120-N521-P7T1-W01D-20A is a thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. This 2-pole device features a thermal-bimetal trip element and is suitable for overload protection of motors, pumps, transformers, and cables.

 

Key electrical specifications include a voltage rating of up to 415V AC and a current rating of 20A. The breaker is designed for panel mounting and features a rocker actuator. It is approved by CSA, GB, IEC, and UL standards.

 

This circuit breaker is designed for reliable operation and easy reset after tripping. Its positively trip-free mechanism ensures reliable disconnection even when the actuator is blocked. The device is also suitable for use in medical equipment according to IEC/EN 60601 standards, ensuring maximum equipment availability through overload protection matched to loads and quick resettability.

 

Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.

3120-N521-P7T1-W01D-20A Quick Information

Product Type: Thermal Circuit Breaker
Canonical Name: E-T-A 3120-N521-P7T1-W01D-20A Thermal Circuit Breaker
Subcategory: Thermal

3120-N521-P7T1-W01D-20A Compliance

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

3120-N521-P7T1-W01D-20A Features

  • Two-pole thermal circuit breaker/switch combination.
  • Rated for 415V AC and 50V DC operation.
  • Current rating range from 0.1A to 20A.
  • Panel mount with rocker actuator.
  • Suitable for medical equipment applications.

3120-N521-P7T1-W01D-20A Applications

  • Ideal for motor overload protection.
  • Used in pumps and transformer circuits.
  • Suitable for cable protection.
  • Applications in medical equipment.
  • Apparatus and machine construction.

3120-N521-P7T1-W01D-20A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the E-T-A 3120-N521-P7T1-W01D-20A?

The voltage rating is 415V AC and 50V DC.

What is the current rating of this thermal circuit breaker?

The current rating is 20A.

How many poles does the 3120-N521-P7T1-W01D-20A have?

This circuit breaker has 2 poles.

What type of circuit breaker is the 3120-N521-P7T1-W01D-20A?

It is a thermal circuit breaker.

What is the mounting type for this E-T-A circuit breaker?

The mounting type is Panel Mount.

Is the E-T-A 3120-N521-P7T1-W01D-20A RoHS compliant?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

3120-N521-P7T1-W01D-20A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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3120-N523-P7T1-W04D-20A
3120-N523-P7T1-W04D-20A
ETA
The E-T-A 3120-N523-P7T1-W04D-20A is a 2-pole thermal circuit breaker with a 20A current rating and 415V voltage rating. It features panel mount installation.
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