3120-N321-P7T1-W14DR4-5A The E-T-A 3120-N321-P7T1-W14DR4-5A is a 2-pole thermal circuit breaker with a 5A current rating and 240V AC / 50V DC voltage rating. It features a panel mount design.
Mfr Part #:

3120-N321-P7T1-W14DR4-5A

Mfr Name: ETA
ETA
The E-T-A 3120-N321-P7T1-W14DR4-5A is a 2-pole thermal circuit breaker with a 5A current rating and 240V AC / 50V DC voltage rating. It features a panel mount design.
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3120-N321-P7T1-W14DR4-5A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating (Amps)
Illumination
Illumination Voltage (Nominal)
Mounting Type
Number of Poles
Voltage Rating

3120-N321-P7T1-W14DR4-5A Description

Short technical summary and product information.

The E-T-A 3120-N321-P7T1-W14DR4-5A is a thermal circuit breaker designed for overload protection of motors, pumps, transformers, and cables. It combines overcurrent protection with the function of an ON/OFF switch in a single component, utilizing a thermal-bimetal trip element.

 

This 2-pole breaker has a current rating of 5A and supports voltage ratings of 240V AC and 50V DC. It is designed for panel mounting and features a rocker actuator. The device is suitable for use in medical equipment according to IEC/EN 60601.

 

Key features include a positively trip-free mechanism for reliable disconnection, even with a blocked actuator, and quick resettability to ensure maximum equipment availability. The breaker is also available with optional features such as push-in terminals for easy wiring and expandable functionality through add-on modules.

 

Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools. It is approved by CSA, GB, IEC, and UL standards.

3120-N321-P7T1-W14DR4-5A Quick Information

Product Type: Thermal Circuit Breaker
Series: T1
Canonical Name: E-T-A 3120-N Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

3120-N321-P7T1-W14DR4-5A Compliance

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

3120-N321-P7T1-W14DR4-5A Features

  • 5A current rating for overload protection.
  • 240V AC and 50V DC voltage ratings.
  • Two-pole thermal circuit breaker design.
  • Panel mount with rocker actuator.
  • Suitable for medical equipment applications.

3120-N321-P7T1-W14DR4-5A Applications

  • Ideal for motor overload protection.
  • Used in medical and laboratory equipment.
  • Suitable for machine construction applications.
  • Applicable to household appliances.
  • Designed for professional tool applications.

3120-N321-P7T1-W14DR4-5A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the 3120-N321-P7T1-W14DR4-5A?

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

What type of mounting does this circuit breaker use?

Panel mount.

How many poles does this circuit breaker have?

2 poles.

What is the actuator type of this circuit breaker?

Rocker actuator with red illumination.

What are the approvals for this circuit breaker?

CSA C22.2 No 235, GB 17701, IEC 60934, UL1077.

What is the current rating of this circuit breaker?

5A.

What is the illumination voltage for the actuator?

230V.

3120-N321-P7T1-W14DR4-5A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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3120-N354-P7T1-W14LR4-5A
3120-N354-P7T1-W14LR4-5A
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The E-T-A 3120-N354-P7T1-W14LR4-5A is a 2-pole thermal circuit breaker with a 5A current rating and 415V voltage rating. It features a panel mount design.
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3120-N324-P7T1-W14LR4-5A
3120-N324-P7T1-W14LR4-5A
ETA
The E-T-A 3120-N324-P7T1-W14LR4-5A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 5A current rating and a 415V voltage rating.
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