3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A The E-T-A 3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 20A current rating and supports AC 240V / DC 50V operation.
Mfr Part #:

3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A

Mfr Name: ETA
ETA
The E-T-A 3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 20A current rating and supports AC 240V / DC 50V operation.
Stock on Request
$ Price Range: $0.99

3120-N321-P7T1-W02K-X3120-M2P7M-120V-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)
Failure Rate
Illumination
Mounting Type
Number of Poles
Storage Temperature
Tape & Reel
Voltage Rating

3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A Description

Short technical summary and product information.

This E-T-A 3120-N Series thermal circuit breaker, part number 3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A, 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.

 

The device is a double-pole unit with a current rating of 20A and supports voltage ratings of AC 240V and DC 50V, with AC 415V available upon request. It features a rocker actuator and is designed for panel mounting.

 

Key features include a positively trip-free mechanism for reliable disconnection and quick resettability after tripping. The series is also available with thermal-magnetic trip options and can be expanded with add-on modules for various functions. It is suitable for use in medical equipment according to IEC/EN 60601.

 

Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools. The breaker is approved by CSA, KTL, UL, and VDE.

3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A Quick Information

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

3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A Compliance

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

3120-N321-P7T1-W02K-X3120-M2P7M-120V-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-P7T1-W02K-X3120-M2P7M-120V-20A Features

  • Combines overcurrent protection and ON/OFF switch.
  • Thermal-bimetal trip element for overload protection.
  • Rated for 240 VAC and 50 VDC operation.
  • 20A current rating for robust protection.
  • Panel mountable with rocker actuator.

3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A Applications

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

3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating for this E-T-A circuit breaker?

This circuit breaker is rated for AC 240 V and DC 50 V.

What is the current rating of the 3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A?

The current rating for this circuit breaker is 20A.

How many poles does this thermal circuit breaker have?

This circuit breaker has 2 poles.

What type of breaker is the 3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A?

It is a thermal circuit breaker.

What type of actuator does this panel mount circuit breaker use?

It features a rocker actuator.

What are the approval agencies for this E-T-A circuit breaker?

Approval agencies include CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.

Is the E-T-A 3120-N321-P7T1-W02K-X3120-M2P7M-120V-20A RoHS compliant?

Yes, it is RoHS3 Compliant.

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