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MW1-B-34-615-1-A21-B-C Littelfuse MW1-B-34-615-1-A21-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 15A at 250V, featuring push-to-reset actuation and panel mount snap-in installation.
Mfr Part #:

MW1-B-34-615-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MW1-B-34-615-1-A21-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 15A at 250V, featuring push-to-reset actuation and panel mount snap-in installation.
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MW1-B-34-615-1-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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MW1-B-34-615-1-A21-B-C Description

Short technical summary and product information.

The Littelfuse MW1-B-34-615-1-A21-B-C is a single-pole magnetic circuit breaker with hydraulic delay, designed for overcurrent protection in panel-mount applications. It is rated for 15A continuous current and 250V AC/DC voltage. The push-to-reset actuator provides manual reset after a fault condition.

 

The circuit breaker features a snap-in panel mount design for easy installation. It is approved by CCC, CSA, and UL1077, ensuring compliance with international safety standards. The hydraulic delay mechanism allows for tolerance of transient inrush currents while providing reliable protection against sustained overloads and short circuits.

MW1-B-34-615-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MW1
Canonical Name: Littelfuse MW1-B-34-615-1-A21-B-C Magnetic (Hydraulic Delay) Circuit Breaker, 15A, 250V, 1 Pole, Push to Reset, Panel Mount
Subcategory: Magnetic Circuit Breaker

MW1-B-34-615-1-A21-B-C Compliance

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

MW1-B-34-615-1-A21-B-C Features

  • Rated for 15A continuous current at 250V.
  • Single-pole magnetic hydraulic delay design.
  • Push-to-reset actuator for manual reset.
  • Panel mount with snap-in installation.
  • Approved by UL1077, CSA, and CCC.

MW1-B-34-615-1-A21-B-C Applications

  • Used in industrial control panel protection.
  • Ideal for power supply overcurrent protection.
  • Suitable for motor branch circuit protection.
  • Applicable in HVAC equipment.
  • Used in medical device power inputs.

MW1-B-34-615-1-A21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of MW1-B-34-615-1-A21-B-C?

250V

What is the current rating of MW1-B-34-615-1-A21-B-C?

15A

What is the breaker type?

Magnetic (Hydraulic Delay)

How many poles does this circuit breaker have?

1

What is the actuator type?

Push to Reset

What is the mounting type?

Panel Mount, Snap-In

What approvals does this circuit breaker have?

CCC, CSA, UL1077

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