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MM1-B-34-620-1-2JA-B-C The Littelfuse Inc. MM1-B-34-620-1-2JA-B-C is a magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 250V AC voltage rating.
Mfr Part #:

MM1-B-34-620-1-2JA-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MM1-B-34-620-1-2JA-B-C is a magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 250V AC voltage rating.
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MM1-B-34-620-1-2JA-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)
Failure Rate
Illumination
Mounting Type
Number of Poles
Voltage Rating
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MM1-B-34-620-1-2JA-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MM1-B-34-620-1-2JA-B-C is a single-pole circuit breaker designed for circuit protection. It operates with a magnetic (hydraulic delay) mechanism, providing reliable tripping characteristics.

 

The breaker has a current rating of 20A and a voltage rating of 250V AC, with a DC voltage rating of 80V. It is designed for panel mount installation and features a lever actuator. The series designation is M.

 

Compliance agencies include CCC, CSA, and UL1077, indicating adherence to relevant safety standards. The component is supplied in bulk packaging.

MM1-B-34-620-1-2JA-B-C Quick Information

Product Type: Circuit Breaker
Series: M
Canonical Name: Littelfuse Inc. MM1-B-34-620-1-2JA-B-C Circuit Breaker
Subcategory: Circuit Breaker

MM1-B-34-620-1-2JA-B-C Compliance

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

MM1-B-34-620-1-2JA-B-C Features

  • 20A current rating for circuit protection.
  • 250V AC voltage rating.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mountable with lever actuator.
  • CCC, CSA, UL1077 approved.

MM1-B-34-620-1-2JA-B-C Applications

  • Ideal for overcurrent protection in industrial equipment.
  • Used in commercial power distribution panels.
  • Suitable for single-phase branch circuit protection.
  • Protects motors and transformers from overloads.
  • Can be used in telecommunications power systems.

MM1-B-34-620-1-2JA-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of this circuit breaker?

The circuit breaker has a voltage rating of 250V AC and 80V DC.

How is this circuit breaker packaged?

The circuit breaker is packaged in bulk.

What is the current rating of this circuit breaker?

The circuit breaker is rated for 20A continuous current.

What type of breaker is this?

The breaker type is magnetic (hydraulic delay).

How many poles does this circuit breaker have?

The circuit breaker has 1 pole.

What is the mounting type of this circuit breaker?

The mounting type is panel mount.

What agency approvals does this circuit breaker have?

The circuit breaker is approved by CCC, CSA, and UL1077.

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