3120-F321-P7T1-W04K-20A The E-T-A 3120-F321-P7T1-W04K-20A is a two-pole thermal circuit breaker with a 20A current rating and 250V voltage rating. It features a rocker actuator and panel mount design.
Mfr Part #:

3120-F321-P7T1-W04K-20A

Mfr Name: ETA
ETA
The E-T-A 3120-F321-P7T1-W04K-20A is a two-pole thermal circuit breaker with a 20A current rating and 250V voltage rating. It features a rocker actuator and panel mount design.
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$ Price Range: $0.99

3120-F321-P7T1-W04K-20A 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-F321-P7T1-W04K-20A Description

Short technical summary and product information.

The E-T-A 3120-F321-P7T1-W04K-20A is a thermal circuit breaker designed for reliable overcurrent protection and switching in a single component. This two-pole breaker offers a 20A current rating and a 250V voltage rating, making it suitable for various applications.

 

Featuring a rocker actuator and panel mount design, this circuit breaker simplifies installation and reduces wiring time. The bimetal trip element provides optimal overload protection and tolerates inrush current peaks from motors, transformers, and magnetic valves. It trips faster at high ambient temperatures, offering an advantage for loads where resistance is temperature-dependent.

 

This component eliminates the need for fuse replacement, as it can be easily reset after tripping. Its space-saving design and reduced planning and storage costs make it a cost-effective solution. The 3120-N series, including this model, enhances the overall reliability of electrical systems by minimizing single components and potential error sources.

3120-F321-P7T1-W04K-20A Quick Information

Product Type: Circuit Breaker
Canonical Name: E-T-A 3120-F321-P7T1-W04K-20A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

3120-F321-P7T1-W04K-20A Compliance

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

3120-F321-P7T1-W04K-20A 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-W04K-20A Features

  • Two-pole thermal circuit breaker.
  • 20A current rating, 250V voltage rating.
  • Rocker actuator with panel mount.
  • Bimetal trip element for overload protection.
  • No fuse replacement required, resettable design.

3120-F321-P7T1-W04K-20A Applications

  • Provides reliable overcurrent protection.
  • Integrates switching and protection functions.
  • Reduces mounting and wiring time.
  • Cost-effective alternative to switches/fuses.
  • Suitable for space-constrained designs.

3120-F321-P7T1-W04K-20A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 3120-F321-P7T1-W04K-20A circuit breaker?

The current rating is 20A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

How many poles does the 3120-F321-P7T1-W04K-20A have?

It has 2 poles.

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

It uses a rocker actuator.

What is the mounting type for the 3120-F321-P7T1-W04K-20A?

It is designed for panel mounting.

Does the 3120-F321-P7T1-W04K-20A require fuse replacement?

No, fuse replacement is not required as the breaker can be easily reset after tripping.

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