MD1-B-34-250-1-A33-B-C Littelfuse MD1-B-34-250-1-A33-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 500mA at 250V with a rocker actuator.
Mfr Part #:

MD1-B-34-250-1-A33-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MD1-B-34-250-1-A33-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 500mA at 250V with a rocker actuator.
Stock on Request

MD1-B-34-250-1-A33-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

MD1-B-34-250-1-A33-B-C Description

Short technical summary and product information.

The Littelfuse MD1-B-34-250-1-A33-B-C is a single-pole magnetic circuit breaker featuring a hydraulic delay mechanism. It is rated for a continuous current of 500mA at 250V AC/DC, making it suitable for overcurrent protection in a variety of applications.

 

The breaker uses a rocker actuator for manual reset and switching. Its magnetic (hydraulic delay) design provides time-delayed tripping, which helps avoid nuisance trips from temporary inrush currents while still offering reliable protection against sustained overloads and short circuits.

 

This component is designed for panel mount installation. It carries approvals from CCC, CSA, and UL1077, indicating compliance with recognized safety standards for supplementary protectors.

MD1-B-34-250-1-A33-B-C Quick Information

Product Type: Circuit Breaker
Series: MD1
Canonical Name: Littelfuse MD1-B-34-250-1-A33-B-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MD1-B-34-250-1-A33-B-C Compliance

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

MD1-B-34-250-1-A33-B-C Features

  • Rated for 500mA continuous current at 250V.
  • Single-pole magnetic hydraulic delay mechanism.
  • Rocker actuator for manual reset and switching.
  • Panel mount design for easy installation.
  • Approved by CCC, CSA, and UL1077.

MD1-B-34-250-1-A33-B-C Applications

  • Overcurrent protection in industrial control panels.
  • Protection for power supplies and transformers.
  • Use in HVAC and refrigeration equipment.
  • Suitable for telecommunications and data center gear.

MD1-B-34-250-1-A33-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MD1-B-34-250-1-A33-B-C circuit breaker?

The current rating is 500mA.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of breaker is the MD1-B-34-250-1-A33-B-C?

It is a Magnetic (Hydraulic Delay) circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What actuator type does this breaker use?

It uses a rocker actuator.

What is the mounting type for this circuit breaker?

It is designed for panel mount.

What agency approvals does the MD1-B-34-250-1-A33-B-C hold?

It is approved by CCC, CSA, and UL1077.

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MA1-B-34-250-1-A33-B-C
MA1-B-34-250-1-A33-B-C
Littelfuse Inc.
This is a 1-pole magnetic hydraulic delay circuit breaker with a 500mA current rating. It is rated for 250V AC and 80V DC and features a rocker actuator for panel mount installation.
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