1170-21-3A The E-T-A 1170-21-3A is a compact, single-pole thermal circuit breaker designed for low voltage wiring systems. It features a push-to-reset actuator and blade terminals for plug-in mounting.
Mfr Part #:

1170-21-3A

Mfr Name: ETA
ETA
The E-T-A 1170-21-3A is a compact, single-pole thermal circuit breaker designed for low voltage wiring systems. It features a push-to-reset actuator and blade terminals for plug-in mounting.
Stock on Request

1170-21-3A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Operating Temperature
Voltage Rating

1170-21-3A Description

Short technical summary and product information.

This E-T-A 1170-21-3A is a single-pole thermal circuit breaker with a push-to-reset, tease-free, trip-free, snap-action mechanism. It is designed for use in extra-low voltage wiring systems found in vehicles and marine craft.

 

The breaker has a current rating of 3A and a voltage rating of 48 VDC, with a maximum operating voltage of 58 VDC. It is built with blade terminals for plug-in mounting, compatible with automotive fuse blocks.

 

Environmental specifications include an operating temperature range of -40°C to 85°C, an IP40 degree of protection for the operating area, and IP00 for the terminal area. It also meets standards for vibration, shock, corrosion, and humidity resistance.

 

Typical applications include automotive and marine electrical systems. The breaker is designed for reliability, offering a typical life of 6,000 operations at rated current.

1170-21-3A Quick Information

Product Type: Thermal Circuit Breaker
Canonical Name: E-T-A 1170-21-3A Thermal Circuit Breaker
Subcategory: Thermal

1170-21-3A Compliance

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

1170-21-3A Features

  • Compact single-pole thermal circuit breaker.
  • Push-to-reset, tease-free, trip-free mechanism.
  • Rated for 3A current and 48VDC voltage.
  • Blade terminals for plug-in mounting.
  • Suitable for automotive and marine applications.

1170-21-3A Applications

  • Used in automotive wiring systems.
  • Suitable for marine craft electrical systems.
  • Provides protection for low voltage circuits.
  • Designed for vehicle fuse block integration.

1170-21-3A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 1170-21-3A circuit breaker?

The current rating is 3A.

What is the voltage rating?

The nominal voltage rating is 48VDC, with a maximum voltage of 58VDC.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What type of actuator does it have?

It has a push-to-reset actuator.

What is the interrupting capacity?

The interrupting capacity is 400A at 24VDC and 75A at 48VDC.

What is the mounting type?

The mounting type is holder mount.

What is the degree of protection?

The operating area is IP40 and the terminal area is IP00.

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