A21-B0-34-450-911-I The Littelfuse Inc. A21-B0-34-450-911-I is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 5A and 250V. It features a panel mount design with a rocker actuator.
Mfr Part #:

A21-B0-34-450-911-I

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. A21-B0-34-450-911-I is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 5A and 250V. It features a panel mount design with a rocker actuator.
Stock on Request
$ Price Range: $0.99

A21-B0-34-450-911-I 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

A21-B0-34-450-911-I Description

Short technical summary and product information.

This Littelfuse Inc. A21-B0-34-450-911-I is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic hydraulic delay mechanism for reliable operation.

 

The breaker has a current rating of 5A and a voltage rating of 250V. The actuator type is a rocker, and it offers no illumination. It is approved by CCC, CSA, UL1077, and UL1500.

 

This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1. The REACH status is unaffected. Its mounting type is panel mount, making it suitable for various enclosure applications.

A21-B0-34-450-911-I Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. A21-B0-34-450-911-I Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

A21-B0-34-450-911-I Compliance

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

A21-B0-34-450-911-I Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

A21-B0-34-450-911-I Features

  • 5A current rating for protection.
  • 250V voltage rating.
  • Magnetic hydraulic delay mechanism.
  • Panel mount design.
  • Rocker actuator type.

A21-B0-34-450-911-I Applications

  • Suitable for circuit protection in electronic devices.
  • Used in power supply and distribution systems.
  • Ideal for industrial automation control panels.
  • Suitable for residential and commercial electrical circuits.

A21-B0-34-450-911-I FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the A21-B0-34-450-911-I circuit breaker?

The current rating is 5A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 250V.

What type of breaker is the A21-B0-34-450-911-I?

It is a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

It has 1 pole.

What is the mounting type for the A21-B0-34-450-911-I?

The mounting type is Panel Mount.

Is the A21-B0-34-450-911-I RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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