DA1-B0-24-420-121-C The Littelfuse Inc. DA1-B0-24-420-121-C is a 1-pole magnetic circuit breaker with a 2A current rating and 277V voltage rating. It features a lever actuator and is designed for DIN rail mounting.
Mfr Part #:

DA1-B0-24-420-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. DA1-B0-24-420-121-C is a 1-pole magnetic circuit breaker with a 2A current rating and 277V voltage rating. It features a lever actuator and is designed for DIN rail mounting.
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DA1-B0-24-420-121-C 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
Voltage Rating

DA1-B0-24-420-121-C Description

Short technical summary and product information.

This Littelfuse Inc. DA1-B0-24-420-121-C is a single-pole circuit breaker designed for reliable overcurrent protection. It utilizes a magnetic tripping mechanism with a hydraulic delay, suitable for applications requiring precise timing.

 

The breaker has a current rating of 2 Amperes and a voltage rating of 277 Volts, making it suitable for various industrial and commercial power distribution systems. It is approved by CSA and UL agencies.

 

Mounting is facilitated via a DIN rail system, ensuring easy integration into standard electrical enclosures. The actuator type is a lever, providing a clear visual indication of the breaker's status. Illumination is not provided.

 

Environmental compliance includes RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status. These certifications indicate adherence to environmental regulations.

DA1-B0-24-420-121-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. DA1-B0-24-420-121-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

DA1-B0-24-420-121-C Compliance

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

DA1-B0-24-420-121-C Features

  • 2A current rating for protection.
  • 277V voltage rating for power systems.
  • Magnetic tripping with hydraulic delay.
  • DIN rail mounting for easy installation.
  • CSA and UL agency approvals.

DA1-B0-24-420-121-C Applications

  • Use in DIN rail control panel assemblies.
  • For single-pole circuit protection applications.
  • Use as overcurrent protection in distribution boards.
  • For manual switching of protected circuits.
  • Suitable for industrial control equipment.

DA1-B0-24-420-121-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the DA1-B0-24-420-121-C?

The voltage rating is 277V.

What is the current rating of the DA1-B0-24-420-121-C?

The current rating is 2A.

What type of circuit breaker is the DA1-B0-24-420-121-C?

It is a magnetic hydraulic delay circuit breaker.

How many poles does the DA1-B0-24-420-121-C have?

It has one pole.

What type of actuator does the DA1-B0-24-420-121-C use?

It uses a lever actuator.

Does the DA1-B0-24-420-121-C include illumination?

No, this model has no illumination.

What is the mounting type of the DA1-B0-24-420-121-C?

The mounting type is DIN rail.

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DA1-B0-24-420-111-C
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DA1-B0-44-420-121-C
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The Littelfuse Inc. DA1-B0-44-420-121-C is a 1-pole circuit breaker rated for 2A and 277V. It features a magnetic (hydraulic delay) trip type and a lever actuator.
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