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MD1-B-30-620-1-A46-B-C Littelfuse MD1-B-30-620-1-A46-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 20A at 250V. It features a rocker actuator and panel mount design.
Mfr Part #:

MD1-B-30-620-1-A46-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MD1-B-30-620-1-A46-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 20A at 250V. It features a rocker actuator and panel mount design.
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MD1-B-30-620-1-A46-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-30-620-1-A46-B-C Description

Short technical summary and product information.

The Littelfuse MD1-B-30-620-1-A46-B-C is a single-pole magnetic circuit breaker with hydraulic delay, designed for overcurrent protection. It is rated for 20A at 250V and features a rocker actuator.

 

The breaker type is magnetic (hydraulic delay), providing time-delayed tripping characteristics. The mounting type is panel mount, suitable for front-panel installation. The actuator is a non-illuminated rocker style.

 

Compliance includes CCC, CSA, and UL1077 approvals. The product is RoHS3 compliant, with MSL 1 (unlimited) and REACH unaffected status.

MD1-B-30-620-1-A46-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Magnetic (Hydraulic Delay) Circuit Breaker, 20A, 250V, 1 Pole, Panel Mount
Subcategory: Hydraulic-Magnetic Circuit Breaker

MD1-B-30-620-1-A46-B-C Compliance

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

MD1-B-30-620-1-A46-B-C Features

  • Magnetic (hydraulic delay) circuit breaker.
  • Rated for 20A at 250V operation.
  • Single-pole design with rocker actuator.
  • Panel mount installation for control panels.
  • CCC, CSA, and UL1077 approved.

MD1-B-30-620-1-A46-B-C Applications

  • Overcurrent protection for industrial control panels.
  • Branch circuit protection in power distribution.
  • Protection for HVAC and refrigeration equipment.
  • Overcurrent protection for lighting systems.

MD1-B-30-620-1-A46-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MD1-B-30-620-1-A46-B-C?

20A.

What is the voltage rating?

250V.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the actuator type?

Rocker.

What is the mounting type?

Panel Mount.

What approvals does it have?

CCC, CSA, UL1077.

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