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MD1-B-24-620-1-A16-B-C Littelfuse MD1-B-24-620-1-A16-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated at 20A and 250V. It features a rocker actuator and panel mount design.
Mfr Part #:

MD1-B-24-620-1-A16-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MD1-B-24-620-1-A16-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated at 20A and 250V. It features a rocker actuator and panel mount design.
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MD1-B-24-620-1-A16-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-24-620-1-A16-B-C Description

Short technical summary and product information.

The Littelfuse MD1-B-24-620-1-A16-B-C is a single-pole magnetic circuit breaker utilizing hydraulic delay technology. It is rated for 20A continuous current at 250V. The breaker type is Magnetic (Hydraulic Delay), providing precise overload protection with time delays inversely proportional to current. The actuator is a rocker type, and the unit is designed for panel mounting. This breaker carries approvals from CCC, CSA, and UL1077, indicating suitability for supplementary protection applications. It has no illumination.

MD1-B-24-620-1-A16-B-C Quick Information

Product Type: Circuit Breaker
Series: MD1
Canonical Name: Littelfuse MD1-B-24-620-1-A16-B-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic Circuit Breaker

MD1-B-24-620-1-A16-B-C Compliance

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

MD1-B-24-620-1-A16-B-C Features

  • 20A current rating for medium current protection.
  • 250V voltage rating for AC/DC applications.
  • 1-pole design for single-phase circuits.
  • Magnetic hydraulic delay for precise tripping.
  • Panel mount rocker actuator design.

MD1-B-24-620-1-A16-B-C Applications

  • Overcurrent protection for industrial power supplies
  • Branch circuit protection in control panels
  • Equipment protection in HVAC systems
  • Protection for motor control circuits
  • Used in telecommunications power distribution

MD1-B-24-620-1-A16-B-C FAQs

8 frequently asked questions generated from this part’s specifications.
What is the current rating of the Littelfuse MD1-B-24-620-1-A16-B-C?

20A.

What is the voltage rating?

250V.

What is the breaker type?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What type of actuator does it use?

Rocker actuator.

Does it have illumination?

No, it has no illumination.

What mounting type is supported?

Panel mount.

What approvals does it have?

CCC, CSA, UL1077.

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