AA1-B9-20-420-1L1-C The Littelfuse Inc. AA1-B9-20-420-1L1-C is a 1-pole circuit breaker designed for panel mounting. It features a lever actuator and a magnetic hydraulic delay mechanism.
Mfr Part #:

AA1-B9-20-420-1L1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B9-20-420-1L1-C is a 1-pole circuit breaker designed for panel mounting. It features a lever actuator and a magnetic hydraulic delay mechanism.
Stock on Request

AA1-B9-20-420-1L1-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
Voltage Rating

AA1-B9-20-420-1L1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B9-20-420-1L1-C, is a 1-pole device with a current rating of 2A and a voltage rating of 277V. It is designed for panel mounting and utilizes a lever actuator for operation. The breaker type is magnetic with a hydraulic delay, providing reliable overcurrent protection.

 

Key specifications include a 2A current rating and a 277V voltage rating, making it suitable for various electrical applications. The panel mount design ensures easy integration into control panels and enclosures. The magnetic hydraulic delay mechanism offers specific trip characteristics for different load conditions.

 

Compliance information indicates RoHS3 compliance, MSL Level 1, and REACH unaffected status, though these are noted with low confidence and require verification. The approval agencies listed are CCC, CSA, and UL, signifying adherence to international safety standards.

AA1-B9-20-420-1L1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: Littelfuse Inc. AA1-B9-20-420-1L1-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B9-20-420-1L1-C Compliance

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

AA1-B9-20-420-1L1-C Features

  • 2A current rating for protection.
  • 277V voltage rating for applications.
  • Panel mount design for integration.
  • Lever actuator for operation.
  • Magnetic hydraulic delay mechanism.

AA1-B9-20-420-1L1-C Applications

  • Used for overcurrent protection.
  • Suitable for panel installations.
  • Industrial control systems.
  • Commercial electrical systems.

AA1-B9-20-420-1L1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of this circuit breaker?

277V

What is the current rating?

2A

How many poles does this breaker have?

1

What is the mounting type?

Panel Mount

What type of actuator does it have?

Lever

What is the breaker type?

Magnetic (Hydraulic Delay)

What approvals does this circuit breaker have?

CCC, CSA, UL

AA1-B9-20-420-1L1-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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AA1-B0-20-420-1L1-C
AA1-B0-20-420-1L1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-20-420-1L1-C is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a 2A current rating.
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AA1-B0-44-420-1B1-C
AA1-B0-44-420-1B1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-44-420-1B1-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 2A current rating and a 277V voltage rating.
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AA1-B0-44-420-1A1-C
AA1-B0-44-420-1A1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-44-420-1A1-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 2A current rating and a 277V voltage rating.
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AA1-B2-12-420-2D1-C
AA1-B2-12-420-2D1-C
Littelfuse Inc.
Single pole magnetic hydraulic delay circuit breaker rated 2A at 277V. Panel mount with lever actuator.
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