3120-N521-P7T1-W02K-1A The E-T-A 3120-N521-P7T1-W02K-1A is a 2-pole thermal circuit breaker designed for overcurrent protection and ON/OFF switching. It features a 1A current rating and a 415V voltage rating, suitable for panel mounting.
Mfr Part #:

3120-N521-P7T1-W02K-1A

Mfr Name: ETA
ETA
The E-T-A 3120-N521-P7T1-W02K-1A is a 2-pole thermal circuit breaker designed for overcurrent protection and ON/OFF switching. It features a 1A current rating and a 415V voltage rating, suitable for panel mounting.
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3120-N521-P7T1-W02K-1A Specifications Quick View

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

3120-N521-P7T1-W02K-1A Description

Short technical summary and product information.

The E-T-A 3120-N521-P7T1-W02K-1A is a thermal circuit breaker that combines overcurrent protection with the functionality of an ON/OFF switch. It utilizes a bimetal trip element for reliable operation.

 

This 2-pole breaker has a current rating of 1A and a voltage rating of 415V. It is designed for panel mounting, offering a space-saving solution for various applications. The breaker is resettable after tripping and features a positively trip-free mechanism to ensure reliable disconnection.

 

Key features include its suitability for overload protection of motors, pumps, transformers, and cables. The design aims to maximize equipment availability through precise overload protection and quick resettability, reducing nuisance tripping and downtime. It is also suitable for use in medical equipment according to IEC/EN 60601.

 

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-W02K-1A Quick Information

Product Type: Thermal Circuit Breaker
Series: 3120-N...-... T1-...
Canonical Name: E-T-A 3120-N Series Thermal Circuit Breaker
Subcategory: Thermal

3120-N521-P7T1-W02K-1A Compliance

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

3120-N521-P7T1-W02K-1A Features

  • Combines overcurrent protection and ON/OFF switch.
  • 2-pole thermal circuit breaker design.
  • 1A current rating with 415V voltage rating.
  • Panel mount for easy installation.
  • Suitable for medical equipment applications.

3120-N521-P7T1-W02K-1A Applications

  • Protects motors, pumps, and transformers.
  • Used in medical and laboratory equipment.
  • Suitable for machine construction applications.
  • Applicable to professional tools.
  • Ideal for household appliances.

3120-N521-P7T1-W02K-1A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 3120-N521-P7T1-W02K-1A?

The current rating is 1A.

What is the voltage rating for this thermal circuit breaker?

The voltage rating is 415V.

How many poles does the 3120-N521-P7T1-W02K-1A have?

It is a 2-pole circuit breaker.

What type of breaker is the 3120-N521-P7T1-W02K-1A?

It is a thermal circuit breaker.

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

It is a panel mount type.

Is the E-T-A 3120-N521-P7T1-W02K-1A RoHS compliant?

Yes, it is RoHS3 Compliant.

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

The MSL is 1 Unlimited.

3120-N521-P7T1-W02K-1A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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3120-N321-P7T1-W01X-1A
3120-N321-P7T1-W01X-1A
ETA
The E-T-A 3120-N321-P7T1-W01X-1A is a two-pole thermal circuit breaker with a 1A current rating and a 415V voltage rating. It features a panel mount design and a rocker actuator.
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