3120-N521-N7T1-W14FR3-3A The E-T-A 3120-N521-N7T1-W14FR3-3A is a 2-pole thermal circuit breaker with a 3A current rating and 415V voltage rating. It features a panel mount design and rocker actuator.
Mfr Part #:

3120-N521-N7T1-W14FR3-3A

Mfr Name: ETA
ETA
The E-T-A 3120-N521-N7T1-W14FR3-3A is a 2-pole thermal circuit breaker with a 3A current rating and 415V voltage rating. It features a panel mount design and rocker actuator.
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$ Price Range: $0.99

3120-N521-N7T1-W14FR3-3A 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
Illumination Voltage (Nominal)
Mounting Type
Number of Poles
Storage Temperature
Tape & Reel
Voltage
Voltage Rating

3120-N521-N7T1-W14FR3-3A Description

Short technical summary and product information.

This E-T-A 3120-N521-N7T1-W14FR3-3A is a thermal circuit breaker that combines overcurrent protection with an ON/OFF switch function. It utilizes a thermo-bimetal trip element and is suitable for overload protection of motors, pumps, transformers, and cables.

 

The breaker has a 3A current rating and a 415V voltage rating, with two poles for circuit interruption. It is designed for panel mounting and features a rocker actuator for operation. The illumination is red with a nominal voltage of 115V.

 

Key specifications include a rated voltage of AC 240V, DC 50V, and AC 415V upon request. The current rating range is 0.1A to 20A, with an extended range up to 30A available for single-pole devices. Typical life is rated for 30,000 to 50,000 cycles depending on pole configuration and load conditions.

 

This component is approved by CSA, GB, IEC, and UL standards. It is suitable for applications in medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.

3120-N521-N7T1-W14FR3-3A Quick Information

Product Type: Thermal Circuit Breaker
Canonical Name: E-T-A 3120-N521-N7T1-W14FR3-3A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

3120-N521-N7T1-W14FR3-3A Compliance

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

3120-N521-N7T1-W14FR3-3A 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-N7T1-W14FR3-3A Features

  • Two-pole thermal circuit breaker with switch function.
  • Rated for 415V AC and 3A current.
  • Panel mount design with rocker actuator.
  • Red illumination at 115V nominal.
  • Approved by CSA, IEC, and UL standards.

3120-N521-N7T1-W14FR3-3A Applications

  • Suitable for motor overload protection.
  • Used in medical equipment applications.
  • Ideal for machine construction.
  • Applicable to professional tools.
  • Designed for household appliances.

3120-N521-N7T1-W14FR3-3A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the E-T-A 3120-N521-N7T1-W14FR3-3A?

The rated voltage is AC 240V, DC 50V, and AC 415V upon request.

What is the current rating of this circuit breaker?

The current rating is 3A.

How many poles does the 3120-N521-N7T1-W14FR3-3A have?

This circuit breaker has 2 poles.

What type of breaker is the 3120-N521-N7T1-W14FR3-3A?

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-N7T1-W14FR3-3A RoHS compliant?

The RoHS status is RoHS3 Compliant.

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

The MSL is 1 Unlimited.

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