3120-N321-P7T1-W02X-8A The E-T-A 3120-N321-P7T1-W02X-8A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features an 8A current rating and a 415V voltage rating.
Mfr Part #:

3120-N321-P7T1-W02X-8A

Mfr Name: ETA
ETA
The E-T-A 3120-N321-P7T1-W02X-8A is a 2-pole thermal circuit breaker designed for overcurrent protection. It features an 8A current rating and a 415V voltage rating.
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3120-N321-P7T1-W02X-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
Mounting Type
Number of Poles
SVHC Present
Voltage Rating

3120-N321-P7T1-W02X-8A Description

Short technical summary and product information.

The E-T-A 3120-N321-P7T1-W02X-8A is a two-pole thermal circuit breaker 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. This device can be reliably reset after tripping.

 

Key electrical specifications include a voltage rating of 415V AC and a current rating of 8A. The current rating range is from 0.1A to 20A. The circuit breaker is designed for panel mounting and features a rocker actuator. It is approved by CSA, GB, IEC, and UL standards.

 

Typical applications for this type of thermal circuit breaker include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, and audio equipment. Its design ensures maximum equipment availability through overload protection matched to loads and quick resettability, reducing mounting and wiring time.

3120-N321-P7T1-W02X-8A Quick Information

Product Type: Thermal Circuit Breaker
Series: 3120
Canonical Name: E-T-A 3120-N321-P7T1-W02X-8A Thermal Circuit Breaker

3120-N321-P7T1-W02X-8A Compliance

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

3120-N321-P7T1-W02X-8A Features

  • Two-pole thermal circuit breaker.
  • 8A current rating.
  • 415V AC voltage rating.
  • Panel mountable with rocker actuator.
  • Combines overcurrent protection and switch function.

3120-N321-P7T1-W02X-8A Applications

  • Overload protection for motors.
  • Protection for pumps and transformers.
  • Suitable for machine construction.
  • Used in medical equipment.
  • Applicable to household appliances.

3120-N321-P7T1-W02X-8A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the 3120-N321-P7T1-W02X-8A?

The breaker is rated for 415V, with specific ratings of 240VAC and 50VDC.

What is the current rating?

8A continuous, with a range of 0.1-20A.

How many poles does this circuit breaker have?

2 poles.

What type of actuator does it use?

Rocker actuator.

What approvals does it have?

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

What is the typical life of this breaker?

30,000 cycles under inductive loads at rated current, and up to 50,000 cycles under certain conditions.

What is the mounting type?

Panel mount.

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