3120-N521-H7T1-W01X-3A The E-T-A 3120-N521-H7T1-W01X-3A is a two-pole thermal circuit breaker designed for overcurrent protection. It features a panel mount design with a rocker actuator.
Mfr Part #:

3120-N521-H7T1-W01X-3A

Mfr Name: ETA
ETA
The E-T-A 3120-N521-H7T1-W01X-3A is a two-pole thermal circuit breaker designed for overcurrent protection. It features a panel mount design with a rocker actuator.
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$ Price Range: $0.99

3120-N521-H7T1-W01X-3A 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
Storage Temperature
Tape & Reel
Voltage Rating

3120-N521-H7T1-W01X-3A Description

Short technical summary and product information.

This E-T-A 3120-N521-H7T1-W01X-3A is a two-pole thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. It utilizes a thermal-bimetal trip element and is suitable for overload protection of motors, pumps, transformers, and cables.

 

The circuit breaker has a voltage rating of 415V AC and a current rating of 3A. It features a panel mount design with a rocker actuator and is illuminated with 'None'. The internal resistance per pole is less than 0.02Ω.

 

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

3120-N521-H7T1-W01X-3A Quick Information

Product Type: Thermal Circuit Breaker
Canonical Name: E-T-A 3120-N521-H7T1-W01X-3A Two-Pole Thermal Circuit Breaker
Subcategory: Thermal

3120-N521-H7T1-W01X-3A Compliance

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

3120-N521-H7T1-W01X-3A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

3120-N521-H7T1-W01X-3A Features

  • Two-pole thermal circuit breaker.
  • Rated for 415V AC and 3A.
  • Panel mount with rocker actuator.
  • Suitable for motor and transformer protection.
  • Approved by CSA, IEC, and UL.

3120-N521-H7T1-W01X-3A Applications

  • Ideal for motor overload protection.
  • Used in pump and transformer circuits.
  • Suitable for cable protection.
  • Applicable in medical equipment.
  • Used in machine construction.

3120-N521-H7T1-W01X-3A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the E-T-A 3120-N521-H7T1-W01X-3A?

The voltage rating is 415V AC.

What is the current rating of this thermal circuit breaker?

The current rating is 3A.

How many poles does the 3120-N521-H7T1-W01X-3A have?

It has two poles.

What type of breaker is the 3120-N521-H7T1-W01X-3A?

It is a thermal circuit breaker.

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

It is a panel mount type.

What is the internal resistance per pole?

The internal resistance per pole is less than 0.02Ω.

3120-N521-H7T1-W01X-3A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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ETA
The E-T-A 3120-N323-P7T1-W04D-3A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 3A current rating and a 415V voltage rating.
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3120-N521-P7M1-W01D-3A
3120-N521-P7M1-W01D-3A
ETA
The E-T-A 3120-N521-P7M1-W01D-3A is a 2-pole thermal circuit breaker designed for panel mounting. It features a 3A current rating and a 415V AC voltage rating.
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