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MU1-B-10-470-1-A21-B-C Littelfuse MU1-B-10-470-1-A21-B-C is a 7A, 250V magnetic circuit breaker with push-to-reset actuation. It features 1-pole, panel mount design and is RoHS compliant.
Mfr Part #:

MU1-B-10-470-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MU1-B-10-470-1-A21-B-C is a 7A, 250V magnetic circuit breaker with push-to-reset actuation. It features 1-pole, panel mount design and is RoHS compliant.
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MU1-B-10-470-1-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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MU1-B-10-470-1-A21-B-C Description

Short technical summary and product information.

The Littelfuse MU1-B-10-470-1-A21-B-C is a single-pole magnetic (hydraulic delay) circuit breaker rated for 7A at 250V. It features a push-to-reset actuator and is designed for panel mount installation. This circuit breaker is suitable for overload protection in various applications where a reliable, resettable overcurrent device is required. It carries approvals from CCC, CSA, and UL1077, indicating compliance with international safety standards. The device has no illumination. Its magnetic hydraulic delay mechanism provides time-delayed tripping to withstand temporary inrush currents while protecting against sustained overloads.

MU1-B-10-470-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1
Canonical Name: Littelfuse MU1-B-10-470-1-A21-B-C Magnetic (Hydraulic Delay) Circuit Breaker, 7A, 250V, 1 Pole, Panel Mount, Push to Reset
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MU1-B-10-470-1-A21-B-C Compliance

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

MU1-B-10-470-1-A21-B-C Features

  • Rated 7A at 250V for circuit protection.
  • Magnetic hydraulic delay trip mechanism.
  • Single-pole, push-to-reset actuator.
  • Panel mount design for easy installation.
  • Approved to UL1077, CSA, and CCC.

MU1-B-10-470-1-A21-B-C Applications

  • Overload protection in industrial machinery.
  • Branch circuit protection in distribution panels.
  • Protection of power supplies and transformers.
  • Motor protection in HVAC systems.

MU1-B-10-470-1-A21-B-C FAQs

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

Panel Mount.

What is the current rating of this circuit breaker?

7A.

What is the voltage rating of this circuit breaker?

250V.

What type of breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1.

What is the actuator type of this circuit breaker?

Push to Reset.

What approvals does this circuit breaker have?

CCC, CSA, UL1077.

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