3120-N321-P7T1-W04K-20A The E-T-A 3120-N321-P7T1-W04K-20A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 20A current rating and a 240VAC/50VDC voltage rating.
Mfr Part #:

3120-N321-P7T1-W04K-20A

Mfr Name: ETA
ETA
The E-T-A 3120-N321-P7T1-W04K-20A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 20A current rating and a 240VAC/50VDC voltage rating.
Stock on Request

3120-N321-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
Voltage Rating

3120-N321-P7T1-W04K-20A Description

Short technical summary and product information.

The E-T-A 3120-N321-P7T1-W04K-20A is a two-pole thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. It utilizes a thermal-bimetal trip element and is suitable for overload protection of motors, pumps, transformers, and cables. The breaker can be easily and quickly reset after tripping.

 

Key electrical specifications include a voltage rating of 240 VAC and 50 VDC, with an optional 415 VAC rating available upon request. The current rating is 20A, with a range of 0.1 to 20A specified, and up to 30A available for single-pole devices. The breaker is designed for panel mounting and features a rocker actuator. It is approved by CSA, KTL, UL, and VDE.

 

Typical applications for this thermal circuit breaker include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools. Its design ensures reliable disconnection and maximum equipment availability through matched overload protection and quick resettability.

3120-N321-P7T1-W04K-20A Quick Information

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

3120-N321-P7T1-W04K-20A Compliance

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

3120-N321-P7T1-W04K-20A Features

  • Two-pole thermal circuit breaker with switch function.
  • 20A current rating with 0.1-20A range.
  • Rated for 240 VAC and 50 VDC operation.
  • Panel mount with rocker actuator.
  • Approved by CSA, KTL, UL, and VDE.

3120-N321-P7T1-W04K-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.
  • Designed for household and garden appliances.

3120-N321-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-N321-P7T1-W04K-20A?

The current rating is 20A.

What are the voltage ratings for this thermal circuit breaker?

It is rated for 240 VAC and 50 VDC. An AC 415 V rating is available upon request.

How many poles does the 3120-N321-P7T1-W04K-20A have?

This circuit breaker 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-N321-P7T1-W04K-20A?

The mounting type is Panel Mount.

What are the typical applications for this thermal circuit breaker?

Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.

3120-N321-P7T1-W04K-20A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
3120-N301-N7Q1-W01X-20A
3120-N301-N7Q1-W01X-20A
ETA
The E-T-A 3120-N301-N7Q1-W01X-20A is a two-pole thermal circuit breaker designed for overcurrent protection. It features a 20A current rating and supports up to 240 VAC or 50 VDC.
View Part
3120-N523-H7T1-W01D-X3120-U0203M-20A
3120-N523-H7T1-W01D-X3120-U0203M-20A
ETA
The 3120-N523-H7T1-W01D-X3120-U0203M-20A is a circuit breaker manufactured by E-T-A with a 20A current rating and thermal switch functionality.
View Part
3120-N523-P7T1-W02D-20A
3120-N523-P7T1-W02D-20A
ETA
The E-T-A 3120-N523-P7T1-W02D-20A is a 2-pole thermal circuit breaker designed for overload protection. It features a 20A current rating and a panel mount design.
View Part
3120-N521-PTT1-W02D-20A
3120-N521-PTT1-W02D-20A
ETA
The E-T-A 3120-N521-PTT1-W02D-20A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 20A current rating and supports 240 VAC or 50 VDC operation.
View Part
Home
Account

Categories