3120-F31A-H7T1-W12LY3-2A The E-T-A 3120-F31A-H7T1-W12LY3-2A is a single-pole thermal circuit breaker and switch combination. It offers integral overcurrent protection and can be reset after tripping.
Mfr Part #:

3120-F31A-H7T1-W12LY3-2A

Mfr Name: ETA
ETA
The E-T-A 3120-F31A-H7T1-W12LY3-2A is a single-pole thermal circuit breaker and switch combination. It offers integral overcurrent protection and can be reset after tripping.
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$ Price Range: $0.99

3120-F31A-H7T1-W12LY3-2A 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-F31A-H7T1-W12LY3-2A Description

Short technical summary and product information.

The E-T-A 3120-N series circuit breaker/switch combination is a reliable and cost-effective component designed for protecting and switching electrical circuits. This model, the 3120-F31A-H7T1-W12LY3-2A, features a thermal bimetal trip element that provides optimal overload protection while tolerating inrush current peaks from motors and transformers.

 

With a current rating of 2A and a voltage rating of 250VAC/50VDC, this single-pole breaker is suitable for various applications. It eliminates the need for fuse replacements, as it can be easily reset after tripping due to overcurrent. The rocker actuation and panel mount design simplify installation and reduce wiring time.

 

The 3120-N series offers a space-saving design, making it ideal for constricted areas. Its enhanced reliability stems from fewer single components, reducing potential sources of error in your product. This component replaces a switch, fuse-holder, and blade fuses, simplifying purchasing logistics and storage costs.

3120-F31A-H7T1-W12LY3-2A Quick Information

Product Type: Circuit Breaker
Series: 3120-N
Canonical Name: E-T-A 3120-N Thermal Circuit Breaker/Switch Combination
Subcategory: Circuit Breaker/Switch Combination

3120-F31A-H7T1-W12LY3-2A Compliance

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

3120-F31A-H7T1-W12LY3-2A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

3120-F31A-H7T1-W12LY3-2A Features

  • Thermal bimetal trip element for overload protection.
  • Combines circuit breaker and ON/OFF switch.
  • Resettable after overcurrent tripping.
  • Panel mount design for easy installation.
  • 2A current rating with 250VAC/50VDC voltage.

3120-F31A-H7T1-W12LY3-2A Applications

  • Protects circuits from overcurrent conditions.
  • Used in applications with motor loads.
  • Suitable for transformer-based circuits.
  • Ideal for space-constrained designs.
  • Simplifies component inventory and logistics.

3120-F31A-H7T1-W12LY3-2A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 3120-F31A-H7T1-W12LY3-2A?

The current rating is 2A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250VAC and 50VDC.

How many poles does the 3120-N circuit breaker have?

This circuit breaker has 1 pole.

What type of breaker is the 3120-F31A-H7T1-W12LY3-2A?

It is a thermal circuit breaker.

What type of actuator does this E-T-A circuit breaker use?

It uses a rocker actuator.

What is the mounting type for this component?

The mounting type is Panel Mount.

Does this circuit breaker have illumination?

No, illumination is not available for this model.

3120-F31A-H7T1-W12LY3-2A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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3120-F511-P7T1-W01L-2A
3120-F511-P7T1-W01L-2A
ETA
The E-T-A 3120-F511-P7T1-W01L-2A is a thermal circuit breaker with a 2A current rating and 250V voltage rating. It features a rocker actuator and panel mount.
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3120-F314-P7T1-W02D-2A
3120-F314-P7T1-W02D-2A
ETA
The E-T-A 3120-F314-P7T1-W02D-2A is a single-pole thermal circuit breaker with a 2A current rating and 250V voltage rating. It features rocker actuation and panel mount.
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