AA1-B9-20-250-1L1-C The Littelfuse Inc. AA1-B9-20-250-1L1-C is a 1-pole magnetic circuit breaker designed for panel mounting. It features a 277V voltage rating and a 500mA current rating.
Mfr Part #:

AA1-B9-20-250-1L1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B9-20-250-1L1-C is a 1-pole magnetic circuit breaker designed for panel mounting. It features a 277V voltage rating and a 500mA current rating.
Stock on Request
$ Price Range: $0.99

AA1-B9-20-250-1L1-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
Storage Temperature
Tape & Reel
Voltage Rating

AA1-B9-20-250-1L1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B9-20-250-1L1-C, is a single-pole magnetic breaker with a hydraulic delay mechanism. It is designed for panel mounting and operates at a voltage rating of 277V with a current rating of 500mA.

 

The breaker features a lever actuator and no illumination. It is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1. Approval agencies include CCC, CSA, and UL.

 

This component is suitable for applications requiring reliable overcurrent protection within its specified electrical and environmental parameters. Its panel mount design facilitates integration into various electrical enclosures and control panels.

AA1-B9-20-250-1L1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B9-20-250-1L1-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B9-20-250-1L1-C Compliance

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

AA1-B9-20-250-1L1-C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

AA1-B9-20-250-1L1-C Features

  • Single pole magnetic hydraulic delay breaker.
  • Rated for 277V AC operation.
  • 500mA current rating.
  • Panel mount design with lever actuator.
  • CCC, CSA, UL approved.

AA1-B9-20-250-1L1-C Applications

  • General overcurrent protection.
  • Control panel integration.
  • Electrical enclosure mounting.
  • System power distribution.

AA1-B9-20-250-1L1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B9-20-250-1L1-C circuit breaker?

The current rating is 500mA.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AA1-B9-20-250-1L1-C?

It is a magnetic (hydraulic delay) breaker.

How many poles does this circuit breaker have?

This is a single pole circuit breaker.

What is the mounting type for the AA1-B9-20-250-1L1-C?

It is designed for panel mounting.

Is the AA1-B9-20-250-1L1-C 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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