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MF1-B-34-450-3-JA5-B-C The Littelfuse Inc. MF1-B-34-450-3-JA5-B-C is a magnetic hydraulic delay circuit breaker. It features a 5A current rating and a 250V voltage rating.
Mfr Part #:

MF1-B-34-450-3-JA5-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MF1-B-34-450-3-JA5-B-C is a magnetic hydraulic delay circuit breaker. It features a 5A current rating and a 250V voltage rating.
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MF1-B-34-450-3-JA5-B-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
Illumination Voltage (Nominal)
Mounting Type
Number of Poles
Voltage Rating
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MF1-B-34-450-3-JA5-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MF1-B-34-450-3-JA5-B-C is a single-pole circuit breaker designed for panel mounting. It operates as a magnetic hydraulic delay type with a 5A current rating and a 250V voltage rating.

 

The breaker features a rocker actuator and includes green illumination with a nominal voltage of 9-16V. It is approved by CCC, CSA, and UL1077.

 

Compliance information indicates RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status, though these are noted as low confidence without verification.

MF1-B-34-450-3-JA5-B-C Quick Information

Product Type: Circuit Breaker
Series: MF1-B
Canonical Name: Littelfuse Inc. MF1-B-34-450-3-JA5-B-C Circuit Breaker
Subcategory: Circuit Breaker

MF1-B-34-450-3-JA5-B-C Compliance

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

MF1-B-34-450-3-JA5-B-C Features

  • 5A current rating for protection.
  • 250V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Panel mountable design.
  • Includes green illumination.

MF1-B-34-450-3-JA5-B-C Applications

  • Overcurrent protection in control panels.
  • Power distribution unit circuit protection.
  • Industrial equipment overcurrent safety.
  • Illuminated status indication for circuit breaker.
  • Branch circuit protection in commercial systems.

MF1-B-34-450-3-JA5-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MF1-B-34-450-3-JA5-B-C?

250V.

What is the current rating of this circuit breaker?

5A.

How many poles does this circuit breaker have?

1 pole.

What type of actuator does this breaker use?

Rocker actuator.

Is the actuator illuminated? What voltage is required?

Yes, green illumination, nominal 9-16V.

What is the mounting style of this circuit breaker?

Panel mount.

What agency approvals does this circuit breaker have?

CCC, CSA, and UL1077.

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