3120-N521-PTT1-W02D-10A The E-T-A 3120-N521-PTT1-W02D-10A is a 2-pole thermal circuit breaker designed for overcurrent protection and switch functionality. It features a 10A current rating and a 240V AC voltage rating.
Mfr Part #:

3120-N521-PTT1-W02D-10A

Mfr Name: ETA
ETA
The E-T-A 3120-N521-PTT1-W02D-10A is a 2-pole thermal circuit breaker designed for overcurrent protection and switch functionality. It features a 10A current rating and a 240V AC voltage rating.
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3120-N521-PTT1-W02D-10A 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-N521-PTT1-W02D-10A Description

Short technical summary and product information.

The E-T-A 3120-N521-PTT1-W02D-10A is a thermal circuit breaker that combines overcurrent protection with ON/OFF switch functionality. It utilizes a bimetal trip element and is suitable for protecting motors, pumps, transformers, and cables from overloads. The device can be easily and quickly reset after tripping.

 

This 2-pole circuit breaker has a current rating of 10A and a voltage rating of 240V AC, with options for DC 50V and AC 415V upon request. It is designed for panel mounting and features a rocker actuator. The breaker is approved by CSA, KTL, UL, and VDE.

 

Typical applications 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 prevents nuisance tripping, contributing to maximum equipment availability.

3120-N521-PTT1-W02D-10A 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-PTT1-W02D-10A Compliance

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

3120-N521-PTT1-W02D-10A Features

  • Combines overcurrent protection and switch function.
  • Thermal trip element with bimetal design.
  • Rated for 10A current and 240V AC voltage.
  • Two-pole configuration for versatile application.
  • Panel mountable with rocker actuator.

3120-N521-PTT1-W02D-10A 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 office appliances.

3120-N521-PTT1-W02D-10A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the E-T-A 3120-N521-PTT1-W02D-10A?

The breaker is rated for 240V AC and 50V DC. A 415V AC rating is available upon request.

What is the current rating of this circuit breaker?

The continuous current rating is 10A, with a current rating range of 0.1 to 20A.

How many poles does the 3120-N521-PTT1-W02D-10A have?

It is a 2-pole circuit breaker.

What type of actuator does this breaker use?

It uses a rocker actuator.

What is the mounting type for this component?

It is designed for panel mount installation.

What safety approvals does the 3120-N521-PTT1-W02D-10A hold?

It is approved to CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077 standards.

What is the typical life expectancy of this circuit breaker?

Typical life is 30,000 cycles at 1x IN inductive for AC 240V and DC 50V, and 50,000 cycles for 2-pole AC 240V inductive.

3120-N521-PTT1-W02D-10A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
3120-N324-P7T1-W02L-10A
3120-N324-P7T1-W02L-10A
ETA
The E-T-A 3120-N324-P7T1-W02L-10A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features a 10A current rating and a 415V AC voltage rating.
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