MM1-T-34-450-1-2BB-B-C Littelfuse MM1-T-34-450-1-2BB-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated at 5A and 250V. It features a panel mount design with lever actuator and is approved by CCC, CSA, and UL1077.
Mfr Part #:

MM1-T-34-450-1-2BB-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MM1-T-34-450-1-2BB-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated at 5A and 250V. It features a panel mount design with lever actuator and is approved by CCC, CSA, and UL1077.
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MM1-T-34-450-1-2BB-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-T-34-450-1-2BB-B-C Description

Short technical summary and product information.

The Littelfuse MM1-T-34-450-1-2BB-B-C is a single-pole magnetic hydraulic delay circuit breaker designed for overcurrent protection. It is rated for 5A continuous current at 250V AC/DC. The hydraulic delay mechanism provides an inverse time-current characteristic, allowing for temporary inrush currents without nuisance tripping.

 

This circuit breaker is panel mounted and features a lever actuator. It is non-illuminated. The product carries approvals from CCC, CSA, and UL1077, indicating compliance with international safety standards. The number of poles is 1, making it suitable for single-phase applications.

 

Typical applications include control panels, power distribution equipment, HVAC systems, and motor control circuits where reliable circuit protection is required. The breaker type is magnetic with hydraulic delay, offering precise trip performance over a range of fault currents.

MM1-T-34-450-1-2BB-B-C Quick Information

Product Type: Circuit Breaker
Series: MM1
Canonical Name: Littelfuse MM1-T-34-450-1-2BB-B-C Magnetic (Hydraulic Delay) Circuit Breaker, 5A, 250V, 1 Pole, Panel Mount
Subcategory: Magnetic Circuit Breaker

MM1-T-34-450-1-2BB-B-C Compliance

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

MM1-T-34-450-1-2BB-B-C Features

  • Rated for 5A at 250V.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, and UL1077.
  • No illumination — non-illuminated lever.

MM1-T-34-450-1-2BB-B-C Applications

  • Overcurrent protection in industrial control panels.
  • Suitable for power distribution equipment.
  • Used in HVAC and motor control circuits.

MM1-T-34-450-1-2BB-B-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MM1-T-34-450-1-2BB-B-C?

250V.

What is the current rating?

5A.

What type of breaker is this?

Magnetic (Hydraulic Delay) single-pole breaker.

What approvals does this circuit breaker have?

CCC, CSA, UL1077.

What is the mounting type?

Panel mount.

What is the actuator type?

Lever.

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