DA1-B0-46-620-121-D 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.
Mfr Part #:

DA1-B0-46-620-121-D

Mfr Name: Littelfuse Inc.
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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$ Price Range: $0.99

DA1-B0-46-620-121-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-B0-46-620-121-D Description

Short technical summary and product information.

This Littelfuse Inc. DA1-B0-46-620-121-D is a single-pole circuit breaker designed for reliable circuit protection. It offers a current rating of 20A and a voltage rating of 277V, suitable for various electrical applications.

 

The breaker type is magnetic with a hydraulic delay, providing specific trip characteristics. It features a simple lever actuator for operation and is designed for DIN rail mounting, ensuring easy integration into electrical panels and systems.

 

Key specifications include a 1-pole configuration and no illumination. Compliance information indicates RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status, though these are unverified.

 

This component is part of the broader circuit protection category, specifically within circuit breakers. Its robust design and specifications make it a suitable choice for applications requiring dependable overcurrent protection.

DA1-B0-46-620-121-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. DA1-B0-46-620-121-D Circuit Breaker

DA1-B0-46-620-121-D Compliance

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

DA1-B0-46-620-121-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-B0-46-620-121-D Features

  • 20A current rating for protection.
  • 277V voltage rating for applications.
  • Magnetic (hydraulic delay) breaker type.
  • Single pole configuration.
  • DIN rail mounting type.

DA1-B0-46-620-121-D Applications

  • Used for overcurrent protection.
  • Suitable for 277V systems.
  • Integrates with DIN rail systems.
  • Provides hydraulic delay tripping.

DA1-B0-46-620-121-D FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the DA1-B0-46-620-121-D circuit breaker?

The current rating is 20A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

How many poles does the DA1-B0-46-620-121-D have?

It has 1 pole.

What type of breaker mechanism does this unit use?

It uses a magnetic (hydraulic delay) mechanism.

What is the mounting type for this circuit breaker?

The mounting type is DIN Rail.

DA1-B0-46-620-121-D Alternate Parts

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DA1-B0-24-620-121-D
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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.
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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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