3120-F521-N7T1-W14FR3-4A The E-T-A 3120-F521-N7T1-W14FR3-4A is a 2-pole thermal circuit breaker designed for overload protection. It features a rocker actuator and panel mount capability.
Mfr Part #:

3120-F521-N7T1-W14FR3-4A

Mfr Name: ETA
ETA
The E-T-A 3120-F521-N7T1-W14FR3-4A is a 2-pole thermal circuit breaker designed for overload protection. It features a rocker actuator and panel mount capability.
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$ Price Range: $0.99

3120-F521-N7T1-W14FR3-4A 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)
Insulation Resistance
Mounting Type
Number of Poles
Operating Temperature
Storage Temperature
Tape & Reel
Voltage
Voltage Rating

3120-F521-N7T1-W14FR3-4A Description

Short technical summary and product information.

The E-T-A 3120-F521-N7T1-W14FR3-4A is a thermal circuit breaker with a current rating of 4A and a voltage rating of 250V. This 2-pole device utilizes a bimetal trip element for reliable overcurrent protection, functioning as an ON/OFF switch.

 

Designed for panel mounting, this circuit breaker features a rocker actuator and offers illumination in red with a nominal voltage of 115V. It is suitable for various applications including motors, pumps, transformers, and cables, as well as medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.

 

Key technical specifications include a rated voltage of AC 240V and DC 50V, with a current rating range from 0.1 to 20A. The device boasts a typical life of 30,000 to 50,000 operations depending on the conditions. Environmental specifications include an operating temperature range of -30 to 60°C and a degree of protection of IP40 for the operating area.

3120-F521-N7T1-W14FR3-4A Quick Information

Product Type: Thermal Circuit Breaker
Canonical Name: E-T-A 3120-F521-N7T1-W14FR3-4A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breakers

3120-F521-N7T1-W14FR3-4A Compliance

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

3120-F521-N7T1-W14FR3-4A 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-W14FR3-4A Features

  • 4A current rating, 250V voltage rating.
  • 2-pole thermal circuit breaker.
  • Rocker actuator with panel mount.
  • Red illumination at 115V.
  • Suitable for motor and cable protection.

3120-F521-N7T1-W14FR3-4A Applications

  • Ideal for motor overload protection.
  • Protects pumps and transformers.
  • Used in machine construction.
  • Suitable for professional tools.
  • Applicable in audio equipment.

3120-F521-N7T1-W14FR3-4A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 3120-F521-N7T1-W14FR3-4A?

The current rating is 4A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

How many poles does the 3120-F521-N7T1-W14FR3-4A have?

It has 2 poles.

What type of actuator does this circuit breaker use?

It uses a rocker actuator.

What is the operating temperature range for this thermal circuit breaker?

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

What is the degree of protection for the operating area?

The degree of protection for the operating area is IP40.

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