C21-B0-34-630-3A7-I The C21-B0-34-630-3A7-I is a circuit breaker manufactured by Littelfuse, rated for 30A current and 250V voltage, with a magnetic hydraulic delay mechanism, designed for panel mounting.
Mfr Part #:

C21-B0-34-630-3A7-I

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The C21-B0-34-630-3A7-I is a circuit breaker manufactured by Littelfuse, rated for 30A current and 250V voltage, with a magnetic hydraulic delay mechanism, designed for panel mounting.
Stock on Request
$ Price Range: $0.99

C21-B0-34-630-3A7-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

C21-B0-34-630-3A7-I Description

Short technical summary and product information.

The C21-B0-34-630-3A7-I is a circuit breaker produced by Littelfuse Inc. It features a current rating of 30A and a voltage rating of 250V. The breaker type is magnetic with hydraulic delay, suitable for protecting electrical circuits from overloads and short circuits. It has a single pole configuration and uses a rocker actuator for manual operation. The device is designed for panel mounting and complies with multiple approval standards including CCC, CSA, UL1077, and UL1500.

 

This circuit breaker is used in electrical systems requiring reliable overcurrent protection. Its hydraulic delay feature helps prevent nuisance tripping caused by transient surges. The device's panel mount design facilitates easy installation in control panels and distribution boards. Environmental compliance notes indicate RoHS3 compatibility, though verification is low, and it has an MSL rating of 1, with other environmental data unverified.

 

The product is suitable for applications in industrial, commercial, and residential electrical systems where circuit protection is critical. It is part of the circuit protection category, specifically designed to interrupt current flow during fault conditions, ensuring safety and equipment protection.

C21-B0-34-630-3A7-I Quick Information

Product Type: Circuit Breaker
Canonical Name: CIRCUIT BREAKER C21-B0-34-630-3A7-I
Subcategory: Circuit Breaker

C21-B0-34-630-3A7-I Compliance

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

C21-B0-34-630-3A7-I Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

C21-B0-34-630-3A7-I Features

  • Rated for 30A current
  • 250V voltage rating
  • Magnetic hydraulic delay breaker
  • Panel mount design
  • Single pole configuration

C21-B0-34-630-3A7-I Applications

  • Used in electrical distribution panels
  • Provides overload and short circuit protection
  • Suitable for industrial and commercial systems
  • Ideal for control panel applications

C21-B0-34-630-3A7-I FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of this circuit breaker?

The current rating is 30A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of breaker is this?

It is a magnetic with hydraulic delay breaker.

How many poles does this breaker have?

It has one pole.

What is the mounting type for this breaker?

It is designed for panel mounting.

What approval agencies certify this circuit breaker?

It is approved by CCC, CSA, UL1077, and UL1500.

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