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MM1-B-12-620-1-2BB-B-M The Littelfuse Inc. MM1-B-12-620-1-2BB-B-M is a 1-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 250V voltage rating.
Mfr Part #:

MM1-B-12-620-1-2BB-B-M

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MM1-B-12-620-1-2BB-B-M is a 1-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 250V voltage rating.
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MM1-B-12-620-1-2BB-B-M 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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MM1-B-12-620-1-2BB-B-M Description

Short technical summary and product information.

This Littelfuse Inc. MM1-B-12-620-1-2BB-B-M is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic hydraulic delay mechanism for reliable operation.

 

Key electrical specifications include a current rating of 20A and a voltage rating of 250V. The breaker type is magnetic (hydraulic delay), and it has one pole. The actuator type is a lever, and it does not feature illumination.

 

This circuit breaker is approved by CCC, CSA, and UL1077. It is RoHS3 compliant, has an MSL of 1 Unlimited, and is REACH unaffected. The mounting type is panel mount.

MM1-B-12-620-1-2BB-B-M Quick Information

Product Type: Circuit Breaker
Series: MM1-B
Canonical Name: Littelfuse Inc. MM1-B-12-620-1-2BB-B-M Circuit Breaker
Subcategory: Circuit Breaker

MM1-B-12-620-1-2BB-B-M Compliance

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

MM1-B-12-620-1-2BB-B-M Features

  • 20A current rating for protection.
  • 250V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Single pole configuration.
  • Panel mount design.

MM1-B-12-620-1-2BB-B-M Applications

  • Use in industrial control panels.
  • Suitable for equipment protection.
  • Ideal for overcurrent protection circuits.
  • Works in single-phase systems.
  • Applicable in commercial machinery.

MM1-B-12-620-1-2BB-B-M FAQs

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

250V.

What is the current rating?

20A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay) type.

How many poles does it have?

1 pole.

What actuator type does it use?

Lever actuator.

Does this circuit breaker have illumination?

No, it has no illumination.

What approvals does this circuit breaker have?

CCC, CSA, and UL1077.

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