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MB1-B-34-430-1-A22-7-C Littelfuse MB1-B-34-430-1-A22-7-C is a 3A 250V single pole magnetic hydraulic delay circuit breaker. It features a rocker actuator and panel mount design.
Mfr Part #:

MB1-B-34-430-1-A22-7-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MB1-B-34-430-1-A22-7-C is a 3A 250V single pole magnetic hydraulic delay circuit breaker. It features a rocker actuator and panel mount design.
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MB1-B-34-430-1-A22-7-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-34-430-1-A22-7-C Description

Short technical summary and product information.

The Littelfuse MB1-B-34-430-1-A22-7-C is a single pole magnetic circuit breaker with hydraulic delay. It is rated for 3A continuous current at 250V AC/DC. The breaker uses a magnetic (hydraulic delay) mechanism for overcurrent protection, providing time-delayed tripping characteristics. It is designed for panel mount installation and features a rocker actuator for manual reset. The breaker is non-illuminated. It is approved by CCC, CSA, and UL1077. This circuit breaker is suitable for applications requiring reliable overcurrent protection in industrial, commercial, and automotive environments. The panel mount design allows for easy integration into control panels and equipment. The hydraulic delay provides immunity to nuisance tripping from transient currents.

MB1-B-34-430-1-A22-7-C Quick Information

Product Type: Circuit Breaker
Series: MB1
Canonical Name: Littelfuse MB1-B-34-430-1-A22-7-C Magnetic (Hydraulic Delay) Circuit Breaker, 3A, 250V, 1 Pole, Panel Mount, Rocker Actuator
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MB1-B-34-430-1-A22-7-C Compliance

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

MB1-B-34-430-1-A22-7-C Features

  • Rated for 3A continuous current at 250V.
  • Single pole magnetic hydraulic delay mechanism.
  • Panel mount with rocker actuator.
  • Approved to UL1077, CSA, and CCC.
  • Non-illuminated design.

MB1-B-34-430-1-A22-7-C Applications

  • Used in industrial control panels for overcurrent protection.
  • Suitable for automotive auxiliary circuits.
  • Ideal for equipment requiring time-delay tripping.
  • Common in power distribution units.

MB1-B-34-430-1-A22-7-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?

250V.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does it have?

1.

What is the actuator type?

Rocker.

Is the breaker illuminated?

No.

What approvals does it have?

CCC, CSA, UL1077.

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