AA1-B0-46-618-1B1-C The AA1-B0-46-618-1B1-C is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It is rated for 18A at 277V and features a panel mount design with a lever actuator.
Mfr Part #:

AA1-B0-46-618-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA1-B0-46-618-1B1-C is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It is rated for 18A at 277V and features a panel mount design with a lever actuator.
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AA1-B0-46-618-1B1-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
SVHC Present
Voltage Rating

AA1-B0-46-618-1B1-C Description

Short technical summary and product information.

The AA1-B0-46-618-1B1-C is a single-pole magnetic circuit breaker from Littelfuse Inc. utilizing a hydraulic delay mechanism for overcurrent protection. It is rated for 18A continuous current at 277V AC, making it suitable for branch circuit protection in a variety of industrial and commercial applications.

 

The breaker features a panel mount design with a lever actuator for manual reset and switching. The magnetic hydraulic delay trip mechanism provides precise, temperature-stable overcurrent protection, offering a controlled time delay to tolerate harmless inrush currents while quickly clearing short circuits.

 

This component is approved by CCC, CSA, and UL, indicating compliance with major international safety standards. The non-illuminated actuator and compact 1-pole form factor allow for straightforward integration into standard panel cutouts.

AA1-B0-46-618-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-46-618-1B1-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Panel Mount Circuit Breakers

AA1-B0-46-618-1B1-C Compliance

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

AA1-B0-46-618-1B1-C Features

  • Single-pole magnetic hydraulic delay circuit breaker.
  • Rated for 18A continuous current at 277V.
  • Panel mount design with lever actuator.
  • Approved by CCC, CSA, and UL.
  • Non-illuminated actuator for simple operation.

AA1-B0-46-618-1B1-C Applications

  • Branch circuit protection in industrial panels.
  • Overcurrent protection for commercial equipment.
  • Power distribution in control cabinets.
  • Motor and transformer protection applications.

AA1-B0-46-618-1B1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-46-618-1B1-C?

The AA1-B0-46-618-1B1-C is rated for 18A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AA1-B0-46-618-1B1-C?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What mounting type does this breaker use?

It uses a panel mount design.

What approvals does the AA1-B0-46-618-1B1-C hold?

It holds CCC, CSA, and UL approvals.

AA1-B0-46-618-1B1-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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AA1-B0-42-618-2C1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-42-618-2C1-C is a magnetic hydraulic delay circuit breaker. It features an 18A current rating and a 277V voltage rating.
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