3120-N521-P7M1-W01D-3A The E-T-A 3120-N521-P7M1-W01D-3A is a 2-pole thermal circuit breaker designed for panel mounting. It features a 3A current rating and a 415V AC voltage rating.
Mfr Part #:

3120-N521-P7M1-W01D-3A

Mfr Name: ETA
ETA
The E-T-A 3120-N521-P7M1-W01D-3A is a 2-pole thermal circuit breaker designed for panel mounting. It features a 3A current rating and a 415V AC voltage rating.
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$ Price Range: $0.99

3120-N521-P7M1-W01D-3A 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
Storage Temperature
Tape & Reel
Voltage Rating

3120-N521-P7M1-W01D-3A Description

Short technical summary and product information.

The E-T-A 3120-N521-P7M1-W01D-3A is a thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. It is a double-pole device with a rocker actuator, designed for panel mounting.

 

This circuit breaker has a rated voltage of 415V AC and a current rating of 3A. The trip element is a thermo-bimetal, providing reliable overload protection for motors, pumps, transformers, and cables. After tripping, it can be easily and quickly reset. The positively trip-free mechanism ensures reliable disconnection even with the actuator blocked.

 

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 suitable for use in medical equipment according to IEC/EN 60601.

 

The device offers expandable functionality through add-on modules for low voltage release, auxiliary contact function, remote trip, or fast magnetic trip. Its space-saving design and quick resettability contribute to increased overall reliability and reduced mounting and wiring time.

3120-N521-P7M1-W01D-3A 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-P7M1-W01D-3A Compliance

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

3120-N521-P7M1-W01D-3A 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-P7M1-W01D-3A Features

  • Double pole thermal circuit breaker
  • 3A current rating
  • 415V AC voltage rating
  • Panel mount with rocker actuator
  • Suitable for medical equipment

3120-N521-P7M1-W01D-3A Applications

  • Ideal for motor overload protection
  • Used in pumps and transformers
  • Suitable for cable protection
  • Applicable in machine construction
  • Designed for medical equipment

3120-N521-P7M1-W01D-3A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the E-T-A 3120-N521-P7M1-W01D-3A?

The rated voltage is 415V AC.

What is the current rating of this thermal circuit breaker?

The current rating is 3A.

How many poles does the 3120-N521-P7M1-W01D-3A have?

It is a double pole (2-pole) circuit breaker.

What type of breaker is the 3120-N521-P7M1-W01D-3A?

It is a thermal circuit breaker.

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

The mounting type is Panel Mount.

What is the typical life cycle of the 3120-N series circuit breaker?

The typical life is 30,000 cycles at 1 x IN, inductive or resistive for 1-pole, and 50,000 cycles at 1 x IN, inductive for 2-pole.

3120-N521-P7M1-W01D-3A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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3120-N323-P7T1-W04D-3A
3120-N323-P7T1-W04D-3A
ETA
The E-T-A 3120-N323-P7T1-W04D-3A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 3A current rating and a 415V voltage rating.
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3120-N521-H7T1-W01X-3A
3120-N521-H7T1-W01X-3A
ETA
The E-T-A 3120-N521-H7T1-W01X-3A is a two-pole thermal circuit breaker designed for overcurrent protection. It features a panel mount design with a rocker actuator.
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