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AA1-B0-42-250-1B1-C The Littelfuse Inc. AA1-B0-42-250-1B1-C is a 1-pole magnetic circuit breaker designed for panel mounting. It features a 500mA current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-42-250-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-42-250-1B1-C is a 1-pole magnetic circuit breaker designed for panel mounting. It features a 500mA current rating and a 277V voltage rating.
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AA1-B0-42-250-1B1-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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AA1-B0-42-250-1B1-C Description

Short technical summary and product information.

This Littelfuse Inc. AA1-B0-42-250-1B1-C is a single-pole circuit breaker utilizing a magnetic hydraulic delay mechanism. It is designed for panel mounting and offers a current rating of 500mA with a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, and it features a lever actuator. Illumination is not provided. It is approved by CCC, CSA, and UL.

 

Environmental compliance includes RoHS3 compliance, an MSL of 1 Unlimited, and REACH Unaffected status. The mounting type is panel mount.

AA1-B0-42-250-1B1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: Littelfuse Inc. AA1-B0-42-250-1B1-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-42-250-1B1-C Compliance

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

AA1-B0-42-250-1B1-C Features

  • 500mA current rating for protection.
  • 277V voltage rating for power systems.
  • Panel mount design for easy installation.
  • Magnetic breaker with hydraulic delay.
  • RoHS3 compliant for environmental standards.

AA1-B0-42-250-1B1-C Applications

  • Used in power distribution circuits.
  • Suitable for control panel applications.
  • Protects sensitive electronic equipment.
  • General purpose circuit protection.

AA1-B0-42-250-1B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-42-250-1B1-C?

500mA.

What is the voltage rating of this circuit breaker?

277V.

How many poles does this circuit breaker have?

1.

What type of actuator does it use?

Lever actuator.

What is the mounting type of the AA1-B0-42-250-1B1-C?

Panel mount.

What approvals does this circuit breaker have?

CCC, CSA, UL.

What breaker technology is used?

Magnetic (Hydraulic Delay).

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