3120-N321-H7T1-W19DG4-20A This E-T-A 3120-N series thermal circuit breaker offers overcurrent protection and switch functionality. It features a 20A current rating and a 240V AC voltage rating.
Mfr Part #:

3120-N321-H7T1-W19DG4-20A

Mfr Name: ETA
ETA
This E-T-A 3120-N series thermal circuit breaker offers overcurrent protection and switch functionality. It features a 20A current rating and a 240V AC voltage rating.
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$ Price Range: $0.99

3120-N321-H7T1-W19DG4-20A 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
Illumination Voltage (Nominal)
Mounting Type
Number of Poles
Storage Temperature
Tape & Reel
Voltage Rating

3120-N321-H7T1-W19DG4-20A Description

Short technical summary and product information.

The E-T-A 3120-N-321-H7T1-W19DG4-20A is a 2-pole thermal circuit breaker designed for reliable overload protection. It combines overcurrent protection with the function of an ON/OFF switch in a single component, utilizing a thermal-bimetal trip element.

 

This circuit breaker is rated for 20A and operates at up to 240V AC or 50V DC. It features a panel mount design with a green rocker actuator. The 3120-N series is suitable for protecting motors, pumps, transformers, and cables, offering quick and easy resettability after tripping.

 

Key specifications include a 20A current rating, 240V AC and 50V DC voltage ratings, and a 2-pole configuration. It is approved by CSA, KTL, UL, and VDE. The device is designed for applications in medical and laboratory equipment, apparatus and machine construction, professional tools, and household appliances.

 

With its space-saving design and reduced mounting time, this thermal circuit breaker enhances overall equipment reliability. It is RoHS3 compliant and REACH unaffected.

3120-N321-H7T1-W19DG4-20A Quick Information

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

3120-N321-H7T1-W19DG4-20A Compliance

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

3120-N321-H7T1-W19DG4-20A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

3120-N321-H7T1-W19DG4-20A Features

  • 2-pole thermal circuit breaker with switch function.
  • Rated for 20A current and 240V AC / 50V DC.
  • Panel mount design with green rocker actuator.
  • Approved by CSA, KTL, UL, and VDE.
  • Suitable for medical and machine construction.

3120-N321-H7T1-W19DG4-20A Applications

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

3120-N321-H7T1-W19DG4-20A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 3120-N-321-H7T1-W19DG4-20A?

The current rating is 20A.

What are the voltage ratings for this thermal circuit breaker?

It is rated for 240V AC and 50V DC.

How many poles does the E-T-A 3120-N-321-H7T1-W19DG4-20A have?

This circuit breaker has 2 poles.

What type of breaker is the 3120-N-321-H7T1-W19DG4-20A?

It is a thermal circuit breaker.

What mounting type is used for this E-T-A circuit breaker?

It features a panel mount design.

What is the illumination color and voltage for this part?

The illumination is green and rated for 230V nominal.

Which approval agencies have certified this circuit breaker?

It is approved by CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.

3120-N321-H7T1-W19DG4-20A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
3120-N551-H7T1-W19DG4-20A
3120-N551-H7T1-W19DG4-20A
ETA
The E-T-A 3120-N551-H7T1-W19DG4-20A is a 2-pole thermal circuit breaker designed for overcurrent protection. It offers a 20A current rating and panel mount capability.
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