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MD1-B-34-440-1-A34-B-C The Littelfuse Inc. MD1-B-34-440-1-A34-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It offers a 4A current rating and a 250V voltage rating.
Mfr Part #:

MD1-B-34-440-1-A34-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MD1-B-34-440-1-A34-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It offers a 4A current rating and a 250V voltage rating.
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MD1-B-34-440-1-A34-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-34-440-1-A34-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MD1-B-34-440-1-A34-B-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism for reliable operation.

 

Key electrical specifications include a current rating of 4A and a voltage rating of 250V. The breaker type is specifically magnetic with a hydraulic delay, and it has a rocker actuator. It is illuminated with 'None'.

 

This component is RoHS3 Compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited. It is suitable for applications requiring a 1-pole circuit breaker with these specifications.

MD1-B-34-440-1-A34-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MD1-B-34-440-1-A34-B-C Circuit Breaker
Subcategory: Thermal Magnetic

MD1-B-34-440-1-A34-B-C Compliance

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

MD1-B-34-440-1-A34-B-C Features

  • 4A current rating for circuit protection.
  • 250V voltage rating for electrical systems.
  • Single pole magnetic hydraulic delay.
  • Convenient panel mount design.
  • RoHS3 compliant for environmental standards.

MD1-B-34-440-1-A34-B-C Applications

  • Overcurrent protection for industrial electrical systems.
  • Suitable for power distribution panels.
  • Used in motor control circuits.
  • Protects against short circuits and overloads.
  • Ideal for panel-mounted circuit protection.

MD1-B-34-440-1-A34-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MD1-B-34-440-1-A34-B-C?

250V.

What is the current rating of this circuit breaker?

4A.

What type of circuit breaker is the MD1-B-34-440-1-A34-B-C?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What is the actuator type of this circuit breaker?

Rocker.

Is the actuator illuminated?

No, it is non-illuminated.

What is the mounting type of the MD1-B-34-440-1-A34-B-C?

Panel mount.

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