MM1-B-32-430-1-1BB-B-C This Littelfuse MM1-B series circuit breaker is a 3A, 250V, 1-pole magnetic (hydraulic delay) device with a lever actuator for panel mount applications.
Mfr Part #:

MM1-B-32-430-1-1BB-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This Littelfuse MM1-B series circuit breaker is a 3A, 250V, 1-pole magnetic (hydraulic delay) device with a lever actuator for panel mount applications.
Stock on Request

MM1-B-32-430-1-1BB-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

MM1-B-32-430-1-1BB-B-C Description

Short technical summary and product information.

The Littelfuse MM1-B-32-430-1-1BB-B-C is a single-pole magnetic circuit breaker featuring a hydraulic delay mechanism for reliable overcurrent protection. It is rated for 3A at 250V and uses a lever actuator for manual reset and switching.

 

This circuit breaker is designed for panel mount installation and carries approvals from CCC, CSA, and UL1077, making it suitable for a variety of industrial and commercial applications. The magnetic hydraulic delay design provides precise trip characteristics and is less sensitive to ambient temperature changes compared to thermal breakers.

 

With a non-illuminated lever actuator, this breaker offers a simple and robust user interface. It is part of the Littelfuse MM1-B series, known for compact size and dependable performance in branch circuit protection and equipment control panels.

MM1-B-32-430-1-1BB-B-C Quick Information

Product Type: Circuit Breaker
Series: MM1
Canonical Name: Littelfuse MM1-B Series 3A 250V 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Hydraulic-Magnetic Circuit Breakers

MM1-B-32-430-1-1BB-B-C Compliance

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

MM1-B-32-430-1-1BB-B-C Features

  • 3A current rating at 250V AC.
  • Single-pole magnetic hydraulic delay design.
  • Lever actuator for manual operation.
  • Panel mount installation type.
  • Approved by CCC, CSA, and UL1077.

MM1-B-32-430-1-1BB-B-C Applications

  • Overcurrent protection in industrial control panels.
  • Branch circuit protection for equipment.
  • Power distribution in commercial machinery.
  • Use in panel boards and load centers.

MM1-B-32-430-1-1BB-B-C FAQs

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

3A.

What is the voltage rating of this circuit breaker?

250V.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1.

What type of actuator does this circuit breaker use?

Lever.

What is the mounting type for this circuit breaker?

Panel Mount.

What agency approvals does this circuit breaker have?

CCC, CSA, and UL1077.

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MM1-B-34-430-3-1DB-B-C
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Littelfuse MM1-B-34-430-3-1DB-B-C is a 3A 250V single-pole magnetic circuit breaker with hydraulic delay, designed for panel mount applications with a lever actuator.
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The Littelfuse Inc. MN1-B-32-430-1-2BA-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It offers a 3A current rating and 250V voltage rating.
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