MA1-B-32-445-3-A26-B-C Single-pole magnetic circuit breaker from Littelfuse rated 4.5A at 250V. Features a rocker actuator, hydraulic delay, and panel mount design.
Mfr Part #:

MA1-B-32-445-3-A26-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single-pole magnetic circuit breaker from Littelfuse rated 4.5A at 250V. Features a rocker actuator, hydraulic delay, and panel mount design.
Stock on Request

MA1-B-32-445-3-A26-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

MA1-B-32-445-3-A26-B-C Description

Short technical summary and product information.

The Littelfuse MA1-B-32-445-3-A26-B-C is a single-pole magnetic circuit breaker with hydraulic delay, designed for reliable overcurrent protection in a compact panel-mount package. It is rated for 4.5A at 250V, making it suitable for a range of electrical protection applications.

 

The breaker uses a magnetic trip mechanism with hydraulic delay, providing predictable and repeatable trip characteristics. The rocker actuator offers a clear on/off interface for manual control and reset. This unilluminated actuator keeps the design simple and energy-efficient.

 

With a panel mount configuration, this circuit breaker integrates directly into equipment enclosures and control panels. The single-pole design protects one circuit leg, and the 250V rating supports standard AC line voltages.

 

This component is part of Littelfuse's circuit protection portfolio, known for robust construction and dependable performance in demanding environments. It is suitable for OEM designs and replacement applications where a 4.5A, 250V magnetic breaker with rocker actuation is required.

MA1-B-32-445-3-A26-B-C Quick Information

Product Type: Circuit Breaker
Series: MA1
Canonical Name: Single-Pole Magnetic Hydraulic-Delay Circuit Breaker
Subcategory: Magnetic Circuit Breaker

MA1-B-32-445-3-A26-B-C Compliance

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

MA1-B-32-445-3-A26-B-C Features

  • Single-pole magnetic circuit breaker design.
  • Rated for 4.5A at 250V operation.
  • Hydraulic delay for inrush current tolerance.
  • Rocker actuator for manual control.
  • Panel mount for easy installation.

MA1-B-32-445-3-A26-B-C Applications

  • Protects electrical circuits from overcurrent.
  • Suitable for panel-mounted equipment protection.
  • Used in industrial control and power systems.
  • Provides manual reset via rocker switch.

MA1-B-32-445-3-A26-B-C FAQs

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

The circuit breaker is rated for 4.5A.

What is the voltage rating of this circuit breaker?

The circuit breaker is rated for 250V.

What type of circuit breaker is this?

This is a magnetic circuit breaker with hydraulic delay.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What type of actuator does this circuit breaker use?

This circuit breaker uses a rocker actuator.

How is this circuit breaker mounted?

This circuit breaker is designed for panel mounting.

MA1-B-32-445-3-A26-B-C Alternate Parts

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The Littelfuse Inc. MA1-B-34-445-1-A36-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 4.5A current rating and a 250V voltage rating.
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The Littelfuse Inc. MA1-B-12-445-1-A25-B-C is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a rocker actuator.
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ME1-B-34-445-1-A36-B-C
ME1-B-34-445-1-A36-B-C
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The Littelfuse Inc. ME1-B-34-445-1-A36-B-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism for reliable protection.
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MA1-B-34-445-1-A26-B-C
Littelfuse Inc.
Single-pole magnetic hydraulic delay circuit breaker rated at 4.5A and 250V with rocker actuator. Panel mount with CCC, CSA, and UL1077 approvals.
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