3120-N521-P7T1-W19DG2-8A The E-T-A 3120-N521-P7T1-W19DG2-8A is a 2-pole thermal circuit breaker designed for panel mounting. It offers overcurrent protection and switch functionality.
Mfr Part #:

3120-N521-P7T1-W19DG2-8A

Mfr Name: ETA
ETA
The E-T-A 3120-N521-P7T1-W19DG2-8A is a 2-pole thermal circuit breaker designed for panel mounting. It offers overcurrent protection and switch functionality.
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$ Price Range: $0.99

3120-N521-P7T1-W19DG2-8A 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
Voltage Rating

3120-N521-P7T1-W19DG2-8A Description

Short technical summary and product information.

The E-T-A 3120-N521-P7T1-W19DG2-8A is a thermal circuit breaker and switch combination that provides reliable overcurrent protection for motors, pumps, transformers, and cables. This 2-pole device features a rocker actuator and is designed for panel mounting.

 

With a voltage rating of 415V AC and 50V DC, and a current rating of 8A, this circuit breaker is suitable for a wide range of applications. The thermal trip element ensures precise overload protection, and the positively trip-free mechanism guarantees reliable disconnection even when the actuator is blocked. The unit can be easily and quickly reset after tripping.

 

Approved by CSA, GB, IEC, and UL standards, the 3120-N series is built for demanding environments. Its compact design and expandable functionality options make it a versatile choice for apparatus and machine construction, professional tools, and household appliances. The integrated illumination feature with a green indicator at 24V aids in status monitoring.

 

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 device combines overcurrent protection with ON/OFF switch functionality in a single component.

3120-N521-P7T1-W19DG2-8A Quick Information

Product Type: Circuit Breaker
Series: 3120-N
Canonical Name: E-T-A 3120-N521-P7T1-W19DG2-8A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

3120-N521-P7T1-W19DG2-8A Compliance

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

3120-N521-P7T1-W19DG2-8A 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-W19DG2-8A Features

  • 2-pole thermal circuit breaker with switch function.
  • Rated for 415V AC and 50V DC operation.
  • 8A current rating for overload protection.
  • Panel mountable with rocker actuator.
  • Features green illumination at 24V.

3120-N521-P7T1-W19DG2-8A Applications

  • Ideal for motor and transformer protection.
  • Suitable for apparatus and machine construction.
  • Used in professional tools and appliances.
  • Applicable in medical and laboratory equipment.

3120-N521-P7T1-W19DG2-8A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating for the E-T-A 3120-N521-P7T1-W19DG2-8A circuit breaker?

The voltage rating is 415V AC and 50V DC.

What is the current rating of this thermal circuit breaker?

The current rating is 8A.

How many poles does the 3120-N521-P7T1-W19DG2-8A have?

It has 2 poles.

What type of breaker is the 3120-N521-P7T1-W19DG2-8A?

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 illumination color and voltage for this part?

It features green illumination at 24V.

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