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MM1-B-32-440-1-1BA-B-C The Littelfuse Inc. MM1-B-32-440-1-1BA-B-C is a single-pole circuit breaker. It offers a 4A current rating and a 250V voltage rating.
Mfr Part #:

MM1-B-32-440-1-1BA-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MM1-B-32-440-1-1BA-B-C is a single-pole circuit breaker. It offers a 4A current rating and a 250V voltage rating.
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MM1-B-32-440-1-1BA-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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MM1-B-32-440-1-1BA-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MM1-B-32-440-1-1BA-B-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism for reliable operation.

 

Key electrical specifications include a current rating of 4A and a voltage rating of 250V. The actuator type is a lever, and it does not include illumination. The breaker is approved by CCC, CSA, and UL1077, indicating compliance with relevant safety standards.

 

Environmental compliance includes RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status. The mounting type is panel mount, suitable for integration into various electrical enclosures and systems.

MM1-B-32-440-1-1BA-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MM1-B-32-440-1-1BA-B-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Circuit Breaker

MM1-B-32-440-1-1BA-B-C Compliance

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

MM1-B-32-440-1-1BA-B-C Features

  • Rated for 4A continuous current at 250V.
  • Single-pole magnetic hydraulic delay mechanism.
  • Lever actuator for manual control and indication.
  • Panel mount design for secure installation.
  • UL1077, CSA, and CCC safety approved.

MM1-B-32-440-1-1BA-B-C Applications

  • Overcurrent protection for industrial control panels.
  • Supplementary protection in commercial equipment.
  • Power distribution and branch circuit protection.
  • Equipment requiring manual reset and indication.

MM1-B-32-440-1-1BA-B-C FAQs

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

The current rating is 4A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of breaker is this?

This is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What type of actuator does this breaker use?

It uses a lever actuator.

What mounting type is this circuit breaker?

It is designed for panel mount.

What safety approvals does this circuit breaker have?

It is approved by CCC, CSA, and UL1077.

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