3120-F321-P7T1-W01D-4A The E-T-A 3120-F321-P7T1-W01D-4A is a 2-pole thermal circuit breaker with a 4A current rating and 250VAC/50VDC voltage rating. It features a rocker actuator and panel mount.
Mfr Part #:

3120-F321-P7T1-W01D-4A

Mfr Name: ETA
ETA
The E-T-A 3120-F321-P7T1-W01D-4A is a 2-pole thermal circuit breaker with a 4A current rating and 250VAC/50VDC voltage rating. It features a rocker actuator and panel mount.
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$ Price Range: $0.99

3120-F321-P7T1-W01D-4A 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
Insulation Resistance
Mounting Type
Number of Poles
Voltage Rating

3120-F321-P7T1-W01D-4A Description

Short technical summary and product information.

The E-T-A 3120-F321-P7T1-W01D-4A is a thermal circuit breaker designed for overload protection. It functions as an ON/OFF switch with integral overcurrent protection, utilizing a bimetal trip element.

 

This 2-pole breaker has a current rating of 4A and can handle up to 250VAC or 50VDC. It features a rocker actuator for easy operation and is designed for panel mounting.

 

Key technical specifications include a rated voltage of AC 240V and DC 50V, with a current rating range from 0.1 to 20A. The breaker offers a typical life of 30,000 to 50,000 operations depending on the pole configuration and load type. It operates within an ambient temperature range of -30 to 60°C.

 

Typical applications for this 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 provides reliable switching behavior and international approvals.

3120-F321-P7T1-W01D-4A Quick Information

Product Type: Thermal Circuit Breaker
Canonical Name: E-T-A 3120-F321-P7T1-W01D-4A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

3120-F321-P7T1-W01D-4A Compliance

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

3120-F321-P7T1-W01D-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-F321-P7T1-W01D-4A Features

  • Thermal circuit breaker with 4A rating.
  • 250VAC / 50VDC voltage rating.
  • Two-pole configuration.
  • Rocker actuator for operation.
  • Panel mount design.

3120-F321-P7T1-W01D-4A Applications

  • Protects motors, pumps, and transformers.
  • Ideal for machine construction.
  • Suitable for professional tools.
  • Used in household appliances.
  • Applicable in audio equipment.

3120-F321-P7T1-W01D-4A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 3120-F321-P7T1-W01D-4A circuit breaker?

The current rating is 4A.

What is the voltage rating for the E-T-A 3120-F321-P7T1-W01D-4A?

The voltage rating is 250VAC and 50VDC.

How many poles does the 3120-F321-P7T1-W01D-4A circuit breaker have?

This circuit breaker has 2 poles.

What type of actuator does the E-T-A 3120-F321-P7T1-W01D-4A use?

It uses a rocker actuator.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

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

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

3120-F321-P7T1-W01D-4A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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3120-F321-P7T1-W16DT4-4A
3120-F321-P7T1-W16DT4-4A
ETA
The E-T-A 3120-F321-P7T1-W16DT4-4A is a thermal circuit breaker with a 4A current rating and 250VAC/50VDC voltage rating. It features a rocker actuator and panel mount.
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