DA1-B0-24-620-121-D The Littelfuse Inc. DA1-B0-24-620-121-D is a single-pole circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

DA1-B0-24-620-121-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. DA1-B0-24-620-121-D is a single-pole circuit breaker. It features a 20A current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

DA1-B0-24-620-121-D 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

DA1-B0-24-620-121-D Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number DA1-B0-24-620-121-D, is designed for reliable circuit protection. It operates with a 20A current rating and a voltage rating of 277V.

 

The breaker type is Magnetic (Hydraulic Delay), providing specific protection characteristics. It is a single-pole unit with a lever actuator and is designed for DIN rail mounting, making it suitable for various industrial and commercial applications.

 

Key specifications include a 20A current rating and a 277V voltage rating. The breaker is approved by CSA, VDE, and UL agencies, indicating compliance with relevant safety standards. It is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited.

DA1-B0-24-620-121-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. DA1-B0-24-620-121-D Circuit Breaker
Subcategory: Circuit Breaker

DA1-B0-24-620-121-D Compliance

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

DA1-B0-24-620-121-D Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

DA1-B0-24-620-121-D Features

  • 20A current rating for protection.
  • 277V voltage rating for power systems.
  • Magnetic (Hydraulic Delay) breaker type.
  • Single-pole design with lever actuator.
  • DIN rail mounting for easy installation.

DA1-B0-24-620-121-D Applications

  • Industrial control panel protection.
  • Commercial electrical system safety.
  • Power distribution unit applications.
  • Machine tool circuit protection.

DA1-B0-24-620-121-D FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the DA1-B0-24-620-121-D circuit breaker?

The current rating is 20A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

How is the DA1-B0-24-620-121-D circuit breaker mounted?

It is designed for DIN rail mounting.

What type of breaker mechanism does the DA1-B0-24-620-121-D use?

It uses a Magnetic (Hydraulic Delay) mechanism.

How many poles does this circuit breaker have?

This is a single-pole circuit breaker.

What agencies have approved this circuit breaker?

It is approved by CSA, VDE, and UL.

DA1-B0-24-620-121-D Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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DA1-B0-24-620-131-D
DA1-B0-24-620-131-D
Littelfuse Inc.
The Littelfuse Inc. DA1-B0-24-620-131-D is a 1-pole circuit breaker rated for 20A and 277V. It features a magnetic (hydraulic delay) trip type and a lever actuator.
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DA1-B0-46-620-121-D
DA1-B0-46-620-121-D
Littelfuse Inc.
The Littelfuse Inc. DA1-B0-46-620-121-D is a 1-pole circuit breaker rated for 20A and 277V. It features a magnetic (hydraulic delay) trip mechanism and lever actuator.
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