3120-N521-P7T1-W19LG4-5A This E-T-A 3120-N series thermal circuit breaker offers overcurrent protection and switch functionality. It features a 5A current rating and a 415V voltage rating.
Mfr Part #:

3120-N521-P7T1-W19LG4-5A

Mfr Name: ETA
ETA
This E-T-A 3120-N series thermal circuit breaker offers overcurrent protection and switch functionality. It features a 5A current rating and a 415V voltage rating.
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$ Price Range: $0.99

3120-N521-P7T1-W19LG4-5A 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
Illumination Voltage (Nominal)
Mounting Type
Number of Poles
Storage Temperature
Tape & Reel
Voltage Rating

3120-N521-P7T1-W19LG4-5A Description

Short technical summary and product information.

The E-T-A 3120-N series thermal circuit breaker is a single or double pole device 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. After tripping, it can be easily and quickly reset.

 

Key electrical specifications include a voltage rating of 415V and a current rating of 5A. This particular model features a panel mount design with a rocker actuator and green illumination at 230V. It has two poles and an internal resistance of 0.0325 Ohm at 5A.

 

Typical applications for this series 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-N521-P7T1-W19LG4-5A Quick Information

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

3120-N521-P7T1-W19LG4-5A Compliance

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

3120-N521-P7T1-W19LG4-5A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

3120-N521-P7T1-W19LG4-5A Features

  • Combines overcurrent protection and switch function.
  • Thermal bimetal trip element for overload protection.
  • Rated for 415V AC and 5A current.
  • Panel mount with rocker actuator.
  • Approved by CSA, IEC, UL standards.

3120-N521-P7T1-W19LG4-5A 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 garden appliances.

3120-N521-P7T1-W19LG4-5A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the E-T-A 3120-N521-P7T1-W19LG4-5A circuit breaker?

The voltage rating is 415V.

What is the current rating of this thermal circuit breaker?

The current rating is 5A.

How many poles does the E-T-A 3120-N521-P7T1-W19LG4-5A have?

This circuit breaker has 2 poles.

What type of breaker is the 3120-N521-P7T1-W19LG4-5A?

It is a thermal circuit breaker.

What is the mounting type for this E-T-A circuit breaker?

It is a panel mount type.

What is the internal resistance of the 3120-N521-P7T1-W19LG4-5A at 5A?

The internal resistance per pole is 0.0325 Ohm.

3120-N521-P7T1-W19LG4-5A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
3120-N321-H7T1-W19DG4-5A
3120-N321-H7T1-W19DG4-5A
ETA
The E-T-A 3120-N321-H7T1-W19DG4-5A 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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