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MU1-B-34-250-1-A21-B-E The Littelfuse Inc. MU1-B-34-250-1-A21-B-E is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a push-to-reset actuator.
Mfr Part #:

MU1-B-34-250-1-A21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-34-250-1-A21-B-E is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a push-to-reset actuator.
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MU1-B-34-250-1-A21-B-E 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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MU1-B-34-250-1-A21-B-E Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-34-250-1-A21-B-E is a single-pole circuit breaker designed for panel mounting. It operates with a current rating of 500mA and a voltage rating of 250V.

 

The breaker type is magnetic with a hydraulic delay, and it features a push-to-reset actuator. It is approved by agencies including CCC, CSA, TUV, and UL.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status. The mounting type is panel mount.

MU1-B-34-250-1-A21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-34-250-1-A21-B-E Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-34-250-1-A21-B-E Compliance

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

MU1-B-34-250-1-A21-B-E Features

  • 500mA current rating for protection.
  • 250V voltage rating for various applications.
  • Magnetic hydraulic delay breaker type.
  • Panel mount design for easy integration.
  • Push-to-reset actuator for operation.

MU1-B-34-250-1-A21-B-E Applications

  • Overcurrent protection for industrial control equipment.
  • Panel-mounted protection for 250V electrical circuits.
  • Hydraulic-magnetic breaker for reliable circuit protection.
  • Push-to-reset operation for simple post-trip recovery.

MU1-B-34-250-1-A21-B-E FAQs

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

250V

What is the current rating?

500mA (0.5A)

How many poles does it have?

1

What type of actuator does it use?

Push to Reset

What is the mounting type?

Panel Mount

What is the breaker type?

Magnetic (Hydraulic Delay)

What approvals does this circuit breaker hold?

CCC, CSA, TUV, UL

MU1-B-34-250-1-A21-B-E Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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MU1-B-32-250-3-A21-B-E
MU1-B-32-250-3-A21-B-E
Littelfuse Inc.
Littelfuse MU1-B-32-250-3-A21-B-E is a 1-pole magnetic hydraulic circuit breaker rated at 500mA and 250V, with push-to-reset actuation and panel mount.
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