3120-N554-H7T1-W02D-20A The E-T-A 3120-N554-H7T1-W02D-20A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 20A current rating and is suitable for panel mounting.
Mfr Part #:

3120-N554-H7T1-W02D-20A

Mfr Name: ETA
ETA
The E-T-A 3120-N554-H7T1-W02D-20A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 20A current rating and is suitable for panel mounting.
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$ Price Range: $0.99

3120-N554-H7T1-W02D-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-N554-H7T1-W02D-20A Description

Short technical summary and product information.

The E-T-A 3120-N554-H7T1-W02D-20A is a two-pole thermal circuit breaker that combines overcurrent protection with an ON/OFF switch function. It utilizes a thermal-bimetal trip element, making it suitable for overload protection of motors, pumps, transformers, and cables.

 

This circuit breaker has a current rating of 20A and supports voltage ratings of 240V AC and 50V DC, with 415V AC available upon request. It features a panel mount design with a rocker actuator for easy operation. The positively trip-free mechanism ensures reliable disconnection even when the actuator is blocked.

 

Designed for applications requiring reliable overload protection and quick resettability, the 3120-N series is suitable for medical and laboratory equipment, apparatus and machine construction, professional tools, and household appliances. Its space-saving design and reduced mounting time contribute to overall equipment reliability and cost efficiency.

3120-N554-H7T1-W02D-20A Quick Information

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

3120-N554-H7T1-W02D-20A Compliance

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

3120-N554-H7T1-W02D-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-N554-H7T1-W02D-20A Features

  • Two-pole thermal circuit breaker with switch function.
  • Rated for 20A current and 240V AC / 50V DC.
  • Panel mount design with rocker actuator.
  • Positively trip-free mechanism for reliable disconnection.
  • Suitable for overload protection of motors and transformers.

3120-N554-H7T1-W02D-20A Applications

  • Ideal for motor and pump overload protection.
  • Used in medical and laboratory equipment.
  • Suitable for apparatus and machine construction.
  • Applicable in household and garden appliances.
  • Designed for professional tools and office machines.

3120-N554-H7T1-W02D-20A FAQs

4 frequently asked questions generated from this part’s specifications.
What is the current rating of this circuit breaker?

The current rating is 20 amperes.

What is the voltage rating for AC applications?

The voltage rating for AC is 240 V.

What mounting type does this circuit breaker use?

It uses panel mounting.

What approval standards does this circuit breaker meet?

It is approved by CSA, UL, IEC, and GB standards.

3120-N554-H7T1-W02D-20A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
3120-N521-H7T1-W02L-20A
3120-N521-H7T1-W02L-20A
ETA
The E-T-A 3120-N521-H7T1-W02L-20A is a 2-pole thermal circuit breaker designed for overcurrent protection and switch functionality. It features a 20A current rating and a panel mount design.
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