3120-F521-N7T1-W14FR4-2A The E-T-A 3120-F521-N7T1-W14FR4-2A is a 2A thermal circuit breaker with a panel mount rocker actuator and red illumination. It is rated for 250V AC and 50V DC.
Mfr Part #:

3120-F521-N7T1-W14FR4-2A

Mfr Name: ETA
ETA
The E-T-A 3120-F521-N7T1-W14FR4-2A is a 2A thermal circuit breaker with a panel mount rocker actuator and red illumination. It is rated for 250V AC and 50V DC.
Stock on Request
$ Price Range: $0.99

3120-F521-N7T1-W14FR4-2A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Ambient Temperature
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Illumination Voltage (Nominal)
Insulation Resistance
Mounting Type
Number of Poles
Storage Temperature
Tape & Reel
Voltage Rating

3120-F521-N7T1-W14FR4-2A Description

Short technical summary and product information.

The E-T-A 3120-F521-N7T1-W14FR4-2A is a thermal circuit breaker designed for overload protection of motors, pumps, transformers, and cables. It features a rocker actuator for panel mounting and includes red illumination.

 

This dual-pole circuit breaker has a current rating of 2A and is rated for 250V AC and 50V DC. It offers reliable switching behavior with a positively trip-free mechanism. The device is compliant with multiple international standards including CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.

 

Key technical specifications include a typical internal resistance of 0.27 Ohm at 2A, a typical life of 30,000 operations at 1 x IN inductive load on AC 240V, and an operating ambient temperature range of -30 to 60 °C. The circuit breaker also features a dielectric strength of 3,000 VAC between poles and an insulation resistance greater than 100 MOhms at 500V DC.

 

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. The part is classified as obsolete, with a direct substitute available.

3120-F521-N7T1-W14FR4-2A Quick Information

Product Type: Thermal Circuit Breaker
Canonical Name: E-T-A 3120-F521-N7T1-W14FR4-2A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

3120-F521-N7T1-W14FR4-2A Compliance

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

3120-F521-N7T1-W14FR4-2A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

3120-F521-N7T1-W14FR4-2A Features

  • Thermal circuit breaker with 2A current rating.
  • Rated for 250V AC and 50V DC operation.
  • Panel mount with rocker actuator and red illumination.
  • Dual-pole configuration for enhanced protection.
  • Compliant with CSA, GB, IEC, and UL standards.

3120-F521-N7T1-W14FR4-2A Applications

  • Ideal for motor overload protection.
  • Suitable for transformer and cable protection.
  • Used in medical equipment applications.
  • Applicable in machine construction.
  • Designed for professional tools.

3120-F521-N7T1-W14FR4-2A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 3120-F521-N7T1-W14FR4-2A circuit breaker?

The current rating is 2A.

What are the voltage ratings for the E-T-A 3120-F521-N7T1-W14FR4-2A?

It is rated for 250V AC and 50V DC.

How is the E-T-A 3120-F521-N7T1-W14FR4-2A mounted?

It features a panel mount.

What type of actuator does the 3120-F521-N7T1-W14FR4-2A have?

It has a rocker actuator.

Does the E-T-A 3120-F521-N7T1-W14FR4-2A have illumination?

Yes, it features red illumination.

What is the operating temperature range for this circuit breaker?

The ambient temperature range is -30 to 60 °C.

What is the interrupting capacity for the 2-pole configuration?

The typical interrupting capacity for the 2-pole configuration is 250A.

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