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MN1-B-34-450-3-2HA-B-C Littelfuse MN1-B-34-450-3-2HA-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated at 5A and 250V. It features a lever actuator and panel mount design.
Mfr Part #:

MN1-B-34-450-3-2HA-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MN1-B-34-450-3-2HA-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated at 5A and 250V. It features a lever actuator and panel mount design.
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MN1-B-34-450-3-2HA-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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MN1-B-34-450-3-2HA-B-C Description

Short technical summary and product information.

The Littelfuse MN1-B-34-450-3-2HA-B-C is a single-pole magnetic circuit breaker featuring hydraulic delay for reliable overcurrent protection. It is rated for 5A continuous current and 250V AC/DC voltage, making it suitable for a variety of industrial and commercial applications.

 

The breaker employs a magnetic (hydraulic delay) trip mechanism, providing time-delay characteristics to handle inrush currents without nuisance tripping. It is designed for panel mounting with a lever actuator for manual on/off control. The unit holds approvals from CCC, CSA, and UL1077.

 

This circuit breaker is listed as RoHS3 compliant and REACH unaffected. The panel mount design allows for secure installation in control panels and equipment enclosures, while the lever actuator offers clear visual state indication.

MN1-B-34-450-3-2HA-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse MN1-B Series 5A 250V 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic Hydraulic Delay Circuit Breaker

MN1-B-34-450-3-2HA-B-C Compliance

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

MN1-B-34-450-3-2HA-B-C Features

  • Rated for 5A continuous current at 250V.
  • Magnetic hydraulic delay trip mechanism.
  • Single-pole design with lever actuator.
  • Panel mount installation.
  • Approved by CCC, CSA, and UL1077.

MN1-B-34-450-3-2HA-B-C Applications

  • Overcurrent protection for industrial control panels.
  • Supplementary protection for HVAC equipment.
  • Branch circuit protection in power distribution.
  • Motor protection for small machinery applications.

MN1-B-34-450-3-2HA-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MN1-B-34-450-3-2HA-B-C?

5A.

What is the voltage rating of the MN1-B-34-450-3-2HA-B-C?

250V.

How many poles does this circuit breaker have?

1 pole.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How is the breaker mounted?

Panel mount.

What type of actuator does it use?

Lever.

What approvals does this breaker hold?

CCC, CSA, and UL1077.

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