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MU2-B-64-620-3-A21-B-C This is a 20A, 250V, 2-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

MU2-B-64-620-3-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This is a 20A, 250V, 2-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
Stock on Request

MU2-B-64-620-3-A21-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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MU2-B-64-620-3-A21-B-C Description

Short technical summary and product information.

The MU2-B-64-620-3-A21-B-C is a 2-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc., rated for 20A at 250V. It utilizes a hydraulic-magnetic trip mechanism that provides precise overcurrent protection with time delay characteristics, making it suitable for applications where inrush currents are present.

 

This circuit breaker features a push-to-reset actuator and is designed for panel mounting. It is non-illuminated and carries approvals from CCC, CSA, and UL1077, ensuring compliance with international safety standards. The compact design allows for efficient use of panel space in industrial and commercial equipment.

 

Ideal for power distribution, motor control, and other applications requiring reliable overcurrent protection, the magnetic hydraulic delay design offers stable performance across a wide temperature range without the need for derating.

MU2-B-64-620-3-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU2
Canonical Name: Magnetic (Hydraulic Delay) Circuit Breaker, 20A, 250V, 2 Pole, Push to Reset, Panel Mount
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MU2-B-64-620-3-A21-B-C Compliance

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

MU2-B-64-620-3-A21-B-C Features

  • Rated for 20A at 250V.
  • 2-pole magnetic hydraulic delay design.
  • Push-to-reset panel mount actuator.
  • Approved to CCC, CSA, UL1077.
  • Non-illuminated, compact design.

MU2-B-64-620-3-A21-B-C Applications

  • Ideal for industrial power distribution panels.
  • Used in equipment requiring overcurrent protection.
  • Suitable for panel mount applications.
  • Protects circuits from sustained overloads and short circuits.

MU2-B-64-620-3-A21-B-C FAQs

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

20A.

What is the voltage rating?

250V.

How many poles does this circuit breaker have?

2 poles.

What type of actuator does it use?

Push to reset.

What is the mounting type?

Panel mount.

What approvals does this circuit breaker hold?

CCC, CSA, UL1077.

What is the breaker type?

Magnetic (Hydraulic Delay).

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