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MD1-B-34-490-1-A16-2-C This Littelfuse circuit breaker is a single-pole, magnetic hydraulic delay type rated at 9A and 250V. It features a rocker actuator and panel mount design.
Mfr Part #:

MD1-B-34-490-1-A16-2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This Littelfuse circuit breaker is a single-pole, magnetic hydraulic delay type rated at 9A and 250V. It features a rocker actuator and panel mount design.
Stock on Request

MD1-B-34-490-1-A16-2-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
SVHC Present
Voltage Rating
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MD1-B-34-490-1-A16-2-C Description

Short technical summary and product information.

This Littelfuse MD1-B series circuit breaker is a single-pole, magnetic hydraulic delay type designed for overcurrent protection. It is rated for 9A continuous current at 250V AC/DC, making it suitable for a variety of power distribution applications.

 

The hydraulic delay mechanism provides time-delayed tripping, which helps avoid nuisance trips during temporary inrush currents. The rocker actuator allows easy manual reset and on-off control.

 

This breaker is designed for panel mount installation, offering a compact solution for circuit protection in industrial, commercial, or instrumentation equipment. The non-iluminated actuator keeps the design simple and cost-effective.

MD1-B-34-490-1-A16-2-C Quick Information

Product Type: Circuit Breaker
Series: MD1
Canonical Name: MD1-B-34-490-1-A16-2-C Circuit Breaker
Subcategory: Magnetic Circut Breaker

MD1-B-34-490-1-A16-2-C Compliance

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

MD1-B-34-490-1-A16-2-C Features

  • Rated for 9A continuous current.
  • 250V AC/DC voltage rating.
  • Single-pole magnetic hydraulic delay.
  • Panel mount rocker actuator.
  • Non-illuminated design.

MD1-B-34-490-1-A16-2-C Applications

  • Overcurrent protection for power distribution.
  • Industrial control panel circuit isolation.
  • Equipment power supply protection.
  • Manual reset in instrumentation systems.
  • Reduces nuisance trips via time delay.

MD1-B-34-490-1-A16-2-C FAQs

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

9A.

What is the voltage rating?

250V.

How many poles does it have?

1 pole.

What type of breaker is this?

Magnetic (Hydraulic Delay) circuit breaker.

What is the actuator type?

Rocker actuator.

How is it mounted?

Panel mount.

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The Littelfuse Inc. MD1-B-14-490-1-A47-2-M is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a rocker actuator.
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MD1-B-34-490-1-A46-2-C
MD1-B-34-490-1-A46-2-C
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The Littelfuse Inc. MD1-B-34-490-1-A46-2-C is a panel mount circuit breaker. It features a magnetic hydraulic delay mechanism with a 9A current rating and 250V voltage rating.
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MA1-B-34-490-3-A32-2-C
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The Littelfuse MA1-B-34-490-3-A32-2-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 9A at 250VAC. It features a rocker actuator and is designed for panel mount installation.
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