AA1-B0-54-628-8B1-C The Littelfuse Inc. AA1-B0-54-628-8B1-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 28A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-54-628-8B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-54-628-8B1-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 28A current rating and a 277V voltage rating.
Stock on Request

AA1-B0-54-628-8B1-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

AA1-B0-54-628-8B1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-54-628-8B1-C, is designed for circuit protection applications. It operates with a current rating of 28A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, providing reliable tripping characteristics. It features a single pole configuration and a lever actuator for easy operation. The mounting type is panel mount, making it suitable for integration into various electrical enclosures and systems.

 

Key approvals include CCC, CSA, and UL, indicating compliance with relevant safety standards. The RoHS status is RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1 Unlimited, with REACH status as REACH Unaffected. These environmental and compliance attributes are based on available data and should be verified for critical applications.

 

This component is ideal for applications requiring robust overcurrent protection with specific tripping curves determined by its magnetic and hydraulic delay mechanism. Its panel mount design facilitates installation in control panels and distribution boards.

AA1-B0-54-628-8B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-54-628-8B1-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

AA1-B0-54-628-8B1-C Compliance

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

AA1-B0-54-628-8B1-C Features

  • 28A current rating for protection.
  • 277V voltage rating for systems.
  • Magnetic hydraulic delay mechanism.
  • Panel mount for easy integration.
  • CCC, CSA, UL approved.

AA1-B0-54-628-8B1-C Applications

  • Used in electrical distribution panels.
  • Suitable for industrial control systems.
  • Protects sensitive electronic circuits.
  • Ideal for equipment power entry.

AA1-B0-54-628-8B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-54-628-8B1-C?

28A.

What is the voltage rating of this circuit breaker?

277V.

How many poles does this circuit breaker have?

1 pole.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

What type of actuator does it use?

Lever actuator.

What is the mounting type?

Panel mount.

What approvals does this circuit breaker have?

CCC, CSA, and UL.

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AA1-B0-26-628-2B1-C
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The Littelfuse Inc. AA1-B0-26-628-2B1-C is a magnetic hydraulic delay circuit breaker. It features a 28A current rating and 277V voltage rating.
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AA1-B0-24-628-2G1-C
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The AA1-B0-24-628-2G1-C is a 28A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It features a lever actuator and panel mount design.
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