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MA1-B-30-440-1-A12-B-C The Littelfuse Inc. MA1-B-30-440-1-A12-B-C is a 1-pole magnetic circuit breaker. It features a 4A current rating and a 250V voltage rating.
Mfr Part #:

MA1-B-30-440-1-A12-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MA1-B-30-440-1-A12-B-C is a 1-pole magnetic circuit breaker. It features a 4A current rating and a 250V voltage rating.
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MA1-B-30-440-1-A12-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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MA1-B-30-440-1-A12-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MA1-B-30-440-1-A12-B-C is a single-pole magnetic circuit breaker designed for panel mounting. It offers a current rating of 4A and a voltage rating of 250V.

 

The breaker type is specified as Magnetic (Hydraulic Delay), with a rocker actuator. It does not feature illumination. The unit is approved by CCC, CSA, and UL1077.

 

Environmental compliance includes RoHS3 compliance, an MSL of 1 Unlimited, and REACH Unaffected status. These compliance details are based on available data and may require verification.

MA1-B-30-440-1-A12-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MA1-B-30-440-1-A12-B-C Circuit Breaker
Subcategory: Circuit Breakers

MA1-B-30-440-1-A12-B-C Compliance

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

MA1-B-30-440-1-A12-B-C Features

  • 4A current rating and 250V voltage rating.
  • Magnetic (Hydraulic Delay) breaker type.
  • Single pole, panel mount design.
  • Approved by CCC, CSA, and UL1077.
  • RoHS3 compliant with MSL 1.

MA1-B-30-440-1-A12-B-C Applications

  • Overcurrent protection for industrial control panels
  • Suitable for power distribution in machinery
  • Used in HVAC equipment protection circuits
  • Panel mount circuit breaker for equipment

MA1-B-30-440-1-A12-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MA1-B-30-440-1-A12-B-C circuit breaker?

The current rating is 4A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

What type of breaker is the MA1-B-30-440-1-A12-B-C?

It is a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Is this circuit breaker RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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