Mfr Part #:

MM1-B-64-620-1-2CB-B-C

Littelfuse MM1-B-64-620-1-2CB-B-C is a 20A, 250V, 1 Pole magnetic (hydraulic delay) circuit breaker. It features panel mount and lever actuator, with approvals from CCC, CSA, and UL1077.

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MM1-B-64-620-1-2CB-B-C Description

Short technical summary and product information.

The Littelfuse MM1-B-64-620-1-2CB-B-C is a single-pole magnetic circuit breaker with a hydraulic delay mechanism. It is rated for 20A continuous current at 250V AC/DC, making it suitable for overcurrent protection in a wide range of applications.

The breaker features a panel mount design and a lever actuator for manual reset. It is approved by CCC, CSA, and UL1077, ensuring compliance with international safety standards. The magnetic hydraulic delay provides a time-delay trip characteristic, helping to prevent nuisance tripping from transient surges.

This circuit breaker is commonly used in industrial control panels, power distribution equipment, and commercial electrical systems where reliable overcurrent protection is required. Its compact design and robust construction make it a dependable choice for demanding environments.

MM1-B-64-620-1-2CB-B-C Quick Information

Product Type: Circuit Breaker

Canonical Name: Littelfuse MM1-B-64-620-1-2CB-B-C Magnetic (Hydraulic Delay) Circuit Breaker, 20A, 250V, 1 Pole, Panel Mount

Subcategory: Magnetic Circuit Breaker

MM1-B-64-620-1-2CB-B-C Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MM1-B-64-620-1-2CB-B-C Features

Rated for 20A continuous current.
Handles up to 250V AC/DC.
Single pole magnetic hydraulic delay mechanism.
Panel mountable with lever actuator.
Approved to CCC, CSA, UL1077 standards.

MM1-B-64-620-1-2CB-B-C Applications

Ideal for overcurrent protection in industrial controls.
Used in power distribution panels.
Suitable for equipment requiring hydraulic delay.
Applicable in commercial and residential circuits.

MM1-B-64-620-1-2CB-B-C FAQs

7 frequently asked questions generated from this part’s specifications.

What is the operating voltage of this circuit breaker?

250 V

What is the mounting type?

Panel Mount

What is the current rating?

20 A

What is the breaker type?

Magnetic (Hydraulic Delay)

How many poles does it have?

What actuator type does it use?

Lever

What approvals does it have?

CCC, CSA, UL1077

MM1-B-64-620-1-2CB-B-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

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MM1-B-34-620-3-1CA-B-C

Littelfuse Inc.

The Littelfuse Inc. MM1-B-34-620-3-1CA-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 250V voltage rating.

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MM1-B-64-620-1-8GC-B-C