Mfr Part #:

MU1-B-10-615-3-B21-B-D

Littelfuse MU1-B-10-615-3-B21-B-D is a 15A, 250V, 1-pole magnetic (hydraulic delay) circuit breaker. It features a push-to-reset actuator and panel mount, with non-illuminated design.

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MU1-B-10-615-3-B21-B-D Description

Short technical summary and product information.

The MU1-B-10-615-3-B21-B-D is a single-pole magnetic circuit breaker from Littelfuse, incorporating hydraulic delay for precise overcurrent protection. Rated at 15A and 250V AC/DC, it utilizes a push-to-reset actuator and is designed for panel mount installation without illumination. This circuit breaker provides reliable protection for a variety of applications, offering time-delayed tripping characteristics typical of magnetic-hydraulic breakers. The device is approved by CCC, CSA, UL, and VDE, confirming its compliance with international standards. Its compact 1-pole design suits space-constrained applications where easy reset and robust performance are required.

MU1-B-10-615-3-B21-B-D Quick Information

Product Type: Circuit Breaker

Series: MU1

Canonical Name: MU1-B Series 15A 250V 1-Pole Magnetic Hydraulic Delay Circuit Breaker

Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MU1-B-10-615-3-B21-B-D Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MU1-B-10-615-3-B21-B-D Features

Rated for 15A continuous current at 250V.
Single-pole magnetic-hydraulic delay design.
Push-to-reset actuator for manual reset.
Panel mount installation with compact footprint.
Approved by UL, CSA, VDE, and CCC.

MU1-B-10-615-3-B21-B-D Applications

Protects circuits from overcurrent faults.
Used in industrial control panels.
Ideal for power supply protection.
Suitable for machinery overload protection.

MU1-B-10-615-3-B21-B-D FAQs

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

What is the current rating of this circuit breaker?

15A.

What is the voltage rating?

250V.

How many poles does it have?

1 pole.

What type of breaker is it?

Magnetic with hydraulic delay.

What is the actuator type?

Push-to-reset.

How is it mounted?

Panel mount.

What approvals does it have?

CCC, CSA, UL, VDE.

MU1-B-10-615-3-B21-B-D Alternate Parts

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