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MM1-B-34-512-1-2BD-B-E The Littelfuse MM1-B-34-512-1-2BD-B-E is a 1.25A, 250V, 1-pole magnetic circuit breaker with hydraulic delay. It features a panel mount, lever actuator, and approvals from CCC, CSA, TUV, and UL.
Mfr Part #:

MM1-B-34-512-1-2BD-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse MM1-B-34-512-1-2BD-B-E is a 1.25A, 250V, 1-pole magnetic circuit breaker with hydraulic delay. It features a panel mount, lever actuator, and approvals from CCC, CSA, TUV, and UL.
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MM1-B-34-512-1-2BD-B-E 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-34-512-1-2BD-B-E Description

Short technical summary and product information.

The Littelfuse MM1-B-34-512-1-2BD-B-E is a single-pole magnetic circuit breaker designed for overcurrent protection. It is rated for 1.25A at 250V and uses a hydraulic delay mechanism for reliable trip characteristics.

 

The breaker is panel mounted with a lever actuator for manual reset and switching. The magnetic design provides fast response to short circuits while the hydraulic delay offers tolerance to temporary inrush currents.

 

This component is suitable for use in industrial control panels, power distribution systems, and equipment requiring robust circuit protection. The breaker is approved by CCC, CSA, TUV, and UL, ensuring compliance with international safety standards.

MM1-B-34-512-1-2BD-B-E Quick Information

Product Type: Circuit Breaker
Series: MM1-B
Canonical Name: Magnetic Circuit Breaker, 1.25A, 250V, 1-Pole, Panel Mount, Lever Actuator
Subcategory: Magnetic Circuit Breaker

MM1-B-34-512-1-2BD-B-E Compliance

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

MM1-B-34-512-1-2BD-B-E Features

  • Rated for 1.25A at 250V.
  • Magnetic hydraulic delay breaker type.
  • Single-pole panel mount design.
  • Lever actuator for manual control.
  • Approved by CCC, CSA, TUV, UL.

MM1-B-34-512-1-2BD-B-E Applications

  • Used in industrial control panels.
  • Suitable for power distribution systems.
  • Ideal for panel overcurrent protection.
  • Applied in machinery and equipment.

MM1-B-34-512-1-2BD-B-E FAQs

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

250V.

What is the current rating of this circuit breaker?

1.25A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this breaker have?

1 pole.

What is the actuator type?

Lever.

What mounting type does this breaker use?

Panel mount.

What approvals does this circuit breaker have?

CCC, CSA, TUV, UL.

MM1-B-34-512-1-2BD-B-E Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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MM1-B-34-512-1-2BA-B-E
MM1-B-34-512-1-2BA-B-E
Littelfuse Inc.
The Littelfuse Inc. MM1-B-34-512-1-2BA-B-E is a magnetic hydraulic delay circuit breaker. It features a 1.25A current rating and a 250V voltage rating.
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