3120-N521-P7T1-W02D-20A The E-T-A 3120-N521-P7T1-W02D-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-W02D-20A

Mfr Name: ETA
ETA
The E-T-A 3120-N521-P7T1-W02D-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-W02D-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
Voltage Rating

3120-N521-P7T1-W02D-20A Description

Short technical summary and product information.

This E-T-A 3120-N521-P7T1-W02D-20A is a thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. It features a 2-pole configuration and is designed for panel mounting.

 

The device has a current rating of 20A and can handle voltages up to 415V AC. The trip element is a thermal-bimetal, making it suitable for overload protection of motors, pumps, transformers, and cables. After tripping, it can be reliably and quickly reset.

 

Key specifications include a 20A current rating and a voltage rating of 415V. The breaker type is thermal, and it has a rocker actuator. It is approved by CSA, GB, IEC, and UL standards.

 

Typical applications for this type of circuit breaker 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-W02D-20A Quick Information

Product Type: Thermal Circuit Breaker
Series: 3120
Canonical Name: E-T-A 3120-N521-P7T1-W02D-20A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

3120-N521-P7T1-W02D-20A Compliance

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

3120-N521-P7T1-W02D-20A Features

  • Two-pole thermal circuit breaker switch combination.
  • Rated for 415V AC and 20A current.
  • Panel mount with rocker actuator.
  • Suitable for motor, pump, and transformer protection.
  • Approved by CSA, IEC, and UL standards.

3120-N521-P7T1-W02D-20A Applications

  • Ideal for motor and pump overload protection.
  • Used in medical and laboratory equipment.
  • Suitable for machine construction applications.
  • Applicable to professional tools and appliances.
  • Designed for office and audio equipment.

3120-N521-P7T1-W02D-20A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the E-T-A 3120-N521-P7T1-W02D-20A?

The voltage rating is 415V AC.

What is the current rating of this thermal circuit breaker?

The current rating is 20A.

How many poles does the 3120-N521-P7T1-W02D-20A have?

This circuit breaker has 2 poles.

What type of circuit breaker is the 3120-N521-P7T1-W02D-20A?

It is a thermal circuit breaker.

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

It is designed for panel mounting.

What are the approval agencies for this part?

It is approved by CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.

3120-N521-P7T1-W02D-20A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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3120-N324-P7T1-W02D-20A
3120-N324-P7T1-W02D-20A
ETA
The E-T-A 3120-N324-P7T1-W02D-20A is a two-pole thermal circuit breaker with a 20A current rating and 415V voltage rating. It combines overcurrent protection with an ON/OFF switch function.
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