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MD1-B-34-490-1-A46-7-C The Littelfuse Inc. MD1-B-34-490-1-A46-7-C is a 1-pole magnetic hydraulic delay circuit breaker. It features a panel mount design and a 9A current rating.
Mfr Part #:

MD1-B-34-490-1-A46-7-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MD1-B-34-490-1-A46-7-C is a 1-pole magnetic hydraulic delay circuit breaker. It features a panel mount design and a 9A current rating.
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MD1-B-34-490-1-A46-7-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-34-490-1-A46-7-C Description

Short technical summary and product information.

This Littelfuse Inc. MD1-B-34-490-1-A46-7-C 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 9 Amps and a voltage rating of 250 Volts. It is approved by CCC, CSA, and UL1077.

 

Key features include a rocker actuator and no illumination. The device is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

 

This circuit breaker is suitable for applications requiring protection against overcurrents and short circuits, with a specific delay characteristic provided by its hydraulic mechanism.

MD1-B-34-490-1-A46-7-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MD1-B-34-490-1-A46-7-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

MD1-B-34-490-1-A46-7-C Compliance

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

MD1-B-34-490-1-A46-7-C Features

  • 9A current rating and 250V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Panel mount with rocker actuator.
  • Approved by CCC, CSA, and UL1077.
  • RoHS3 compliant with MSL 1.

MD1-B-34-490-1-A46-7-C Applications

  • Provides overcurrent protection.
  • Suitable for panel mounting.
  • Used in systems requiring hydraulic delay.
  • General purpose circuit protection.

MD1-B-34-490-1-A46-7-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MD1-B-34-490-1-A46-7-C?

9A.

What is the voltage rating?

250V.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

How many poles does it have?

1.

What actuator type does it use?

Rocker.

Is the circuit breaker illuminated?

No, it is non-illuminated.

What approvals does it have?

CCC, CSA, and UL1077.

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