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MD1-B-34-430-1-A45-B-C Littelfuse MD1-B-34-430-1-A45-B-C is a 1-pole magnetic circuit breaker with hydraulic delay, rated for 3A at 250VAC. It features a rocker actuator and panel mount design.
Mfr Part #:

MD1-B-34-430-1-A45-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MD1-B-34-430-1-A45-B-C is a 1-pole magnetic circuit breaker with hydraulic delay, rated for 3A at 250VAC. It features a rocker actuator and panel mount design.
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MD1-B-34-430-1-A45-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
Mounting Type
Number of Poles
Voltage Rating
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MD1-B-34-430-1-A45-B-C Description

Short technical summary and product information.

The Littelfuse MD1-B-34-430-1-A45-B-C is a single-pole magnetic circuit breaker utilizing a hydraulic-magnetic delay mechanism for reliable overcurrent protection. It is rated for 3 amps at 250 volts AC, making it suitable for a variety of industrial and commercial applications.

 

This circuit breaker features a rocker actuator for manual on/off control and is designed for panel mounting. It holds approvals from CCC, CSA, and UL1077, ensuring compliance with international safety standards. The hydraulic delay provides predictable time-current characteristics, allowing for nuisance-free operation with inrush currents.

MD1-B-34-430-1-A45-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse MD1-B-34-430-1-A45-B-C Magnetic Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

MD1-B-34-430-1-A45-B-C Compliance

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

MD1-B-34-430-1-A45-B-C Features

  • Single-pole magnetic circuit breaker with hydraulic delay.
  • Rated for 3A at 250VAC operation.
  • Rocker actuator for manual control.
  • Panel mount design for easy installation.
  • Approved by CCC, CSA, and UL1077.

MD1-B-34-430-1-A45-B-C Applications

  • Provides overcurrent protection for electrical circuits.
  • Single-pole breaker for 250VAC applications.
  • Panel-mount design for equipment control panels.
  • Rocker actuator enables manual circuit reset.
  • Magnetic hydraulic delay for dependable circuit protection.

MD1-B-34-430-1-A45-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MD1-B-34-430-1-A45-B-C?

The current rating is 3A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of circuit breaker is the MD1-B-34-430-1-A45-B-C?

It is a magnetic circuit breaker with hydraulic delay.

How many poles does this circuit breaker have?

It has 1 pole.

What approvals does the MD1-B-34-430-1-A45-B-C hold?

It is approved by CCC, CSA, and UL1077.

What type of actuator does this circuit breaker use?

It uses a rocker actuator.

What is the mounting type for this circuit breaker?

It is designed for panel mounting.

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