1170-21-D91-3A The E-T-A 1170-21-D91-3A is a single-pole thermal circuit breaker designed for low voltage wiring systems. It features a push-to-reset actuator and holder mounting.
Mfr Part #:

1170-21-D91-3A

Mfr Name: ETA
ETA
The E-T-A 1170-21-D91-3A is a single-pole thermal circuit breaker designed for low voltage wiring systems. It features a push-to-reset actuator and holder mounting.
Stock on Request
$ Price Range: $0.99

1170-21-D91-3A 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
Storage Temperature
Tape & Reel
Voltage Rating

1170-21-D91-3A Description

Short technical summary and product information.

This E-T-A 1170-21-D91-3A is a compact, single-pole thermal circuit breaker. It is designed for extra low voltage wiring systems found in vehicles and marine craft.

 

The breaker offers protection with a 3A current rating and a nominal DC voltage rating of 48V, with a maximum operating voltage of 58V DC. It features a convenient push-to-reset actuator and a trip-free, snap-action mechanism.

 

Designed for plug-in mounting, this circuit breaker fits into automotive fuse blocks. It operates within an ambient temperature range of -40°C to 85°C and has a degree of protection of IP40 for the operating area and IP00 for the terminal area.

 

Key technical data includes an interrupting capacity of 2000A and typical operational life figures such as 6,000 operations at rated current under specific conditions. The breaker also meets Type III requirements per SAE J 553.

1170-21-D91-3A Quick Information

Product Type: Thermal Circuit Breaker
Series: 1170
Canonical Name: E-T-A 1170-21-D91-3A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

1170-21-D91-3A Compliance

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

1170-21-D91-3A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

1170-21-D91-3A Features

  • Compact single-pole thermal circuit breaker.
  • 3A current rating and 48V DC voltage rating.
  • Push-to-reset actuator with manual release.
  • Designed for holder mounting.
  • Meets SAE J 553 Type III automotive standard.

1170-21-D91-3A Applications

  • Used in automotive wiring systems.
  • Suitable for marine craft applications.
  • Provides protection for low voltage circuits.
  • Ideal for fuse block integration.

1170-21-D91-3A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the E-T-A 1170-21-D91-3A circuit breaker?

The current rating is 3A.

What is the maximum DC voltage rating for this thermal circuit breaker?

The maximum DC voltage rating is 58V.

What type of actuator does the 1170-21-D91-3A circuit breaker have?

It features a push-to-reset actuator.

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

The mounting type is holder.

What is the operating temperature range for the 1170-21-D91-3A?

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

What is the degree of protection for the operating area of this circuit breaker?

The degree of protection for the operating area is IP40.

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