3120-F551-A2T1-W02D-20A The E-T-A 3120-F551-A2T1-W02D-20A is a thermal circuit breaker with a 20A current rating and 250VAC/50VDC voltage rating. It features a rocker actuator and panel mount.
Mfr Part #:

3120-F551-A2T1-W02D-20A

Mfr Name: ETA
ETA
The E-T-A 3120-F551-A2T1-W02D-20A is a thermal circuit breaker with a 20A current rating and 250VAC/50VDC voltage rating. It features a rocker actuator and panel mount.
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$ Price Range: $0.99

3120-F551-A2T1-W02D-20A 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
Mounting Type
Number of Poles
Voltage Rating

3120-F551-A2T1-W02D-20A Description

Short technical summary and product information.

The E-T-A 3120-F551-A2T1-W02D-20A is a thermal circuit breaker designed for overload protection of motors, pumps, transformers, and cables. It functions as an ON/OFF switch with integral overcurrent protection, utilizing a bimetal trip element.

 

Key electrical specifications include a current rating of 20A and a voltage rating of 250VAC or 50VDC. The breaker type is thermal, and it features a rocker actuator for operation. It is a double-pole unit designed for panel mounting.

 

This circuit breaker is suitable for various applications, including medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, and audio equipment. It offers reliable switching behavior with a positively trip-free mechanism and international approvals.

 

Additional features and options are available, such as illumination, water splash protection, auxiliary contacts, under-voltage trip, remote trip, magnetic trip, push-in terminals, and an appliance inlet module.

3120-F551-A2T1-W02D-20A Quick Information

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

3120-F551-A2T1-W02D-20A Compliance

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

3120-F551-A2T1-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-F551-A2T1-W02D-20A Features

  • 20A current rating for overload protection.
  • 250VAC/50VDC voltage rating.
  • Thermal breaker with bimetal trip element.
  • Rocker actuator for ON/OFF switching.
  • Panel mount design for easy installation.

3120-F551-A2T1-W02D-20A Applications

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

3120-F551-A2T1-W02D-20A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 3120-F551-A2T1-W02D-20A circuit breaker?

The current rating is 20A.

What are the voltage ratings for this thermal circuit breaker?

It has a voltage rating of 250 VAC and 50 VDC.

What type of actuator does the E-T-A 3120-F551-A2T1-W02D-20A have?

It features a rocker actuator.

How is this circuit breaker mounted?

It is designed for panel mounting.

What is the operating temperature range for this device?

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

What is the typical life expectancy of the E-T-A 3120-F551-A2T1-W02D-20A?

The typical life is 30,000 operations at 1x IN for inductive loads at AC 240V and DC 50V (0.1-4A).

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