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MB1-B-34-480-1-A11-B-C The Littelfuse MB1-B-34-480-1-A11-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated at 8A and 250V. It features a rocker actuator and is designed for panel mount installation.
Mfr Part #:

MB1-B-34-480-1-A11-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse MB1-B-34-480-1-A11-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated at 8A and 250V. It features a rocker actuator and is designed for panel mount installation.
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MB1-B-34-480-1-A11-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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MB1-B-34-480-1-A11-B-C Description

Short technical summary and product information.

The Littelfuse MB1-B-34-480-1-A11-B-C is a single-pole magnetic (hydraulic delay) circuit breaker designed for overcurrent protection in electrical systems. Rated for 8A continuous current at 250V, it provides reliable protection against overloads and short circuits. The hydraulic delay mechanism allows for time-delayed tripping, accommodating inrush currents without nuisance tripping. This circuit breaker features a rocker actuator for manual on/off control and is designed for panel mount installation, making it suitable for enclosures and control panels. The non-illuminated actuator simplifies operation in applications where visual indication is not required. With its compact 1-pole design, the MB1-B-34-480-1-A11-B-C is ideal for protecting individual circuits in industrial, commercial, and residential equipment.

MB1-B-34-480-1-A11-B-C Quick Information

Product Type: Circuit Breaker
Series: MB1-B
Canonical Name: Littelfuse Inc. MB1-B-34-480-1-A11-B-C Magnetic (Hydraulic Delay) Circuit Breaker, 8A, 250V, 1 Pole, Panel Mount, Rocker Actuator
Subcategory: Panel Mount Circuit Breakers

MB1-B-34-480-1-A11-B-C Compliance

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

MB1-B-34-480-1-A11-B-C Features

  • Rated for 8A continuous current at 250V.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with rocker actuator.
  • Non-illuminated actuator.
  • 1-pole configuration for phase protection.

MB1-B-34-480-1-A11-B-C Applications

  • Used for overcurrent protection in power supplies.
  • Suitable for industrial control panels.
  • Ideal for motor control circuits with inrush currents.
  • Installed in distribution panels for branch circuit protection.

MB1-B-34-480-1-A11-B-C FAQs

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

8A

What is the voltage rating?

250V

What type of circuit breaker is this?

Magnetic (Hydraulic Delay)

How many poles does it have?

1

What type of actuator does it use?

Rocker

What is the mounting type?

Panel Mount

Is the circuit breaker illuminated?

No, it is non-illuminated.

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The Littelfuse Inc. MA1-B-34-480-1-A12-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features an 8A current rating and a 250V voltage rating.
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