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AA1-B0-12-620-5D1-C The Littelfuse Inc. AA1-B0-12-620-5D1-C is a 1-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-12-620-5D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-12-620-5D1-C is a 1-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
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AA1-B0-12-620-5D1-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-B0-12-620-5D1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-12-620-5D1-C, is a 1-pole device with a 20A current rating and a 277V voltage rating. It is designed for panel mounting and utilizes a lever actuator for operation.

 

The breaker type is magnetic with a hydraulic delay, providing reliable protection. It is approved by CCC, CSA, and UL agencies. The component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

 

This circuit breaker is suitable for applications requiring robust overcurrent protection with specific electrical and mounting characteristics. Its design facilitates easy integration into control panels and electrical enclosures.

AA1-B0-12-620-5D1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: Littelfuse Inc. AA1-B0-12-620-5D1-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-12-620-5D1-C Compliance

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

AA1-B0-12-620-5D1-C Features

  • 20A current rating for protection.
  • 277V voltage rating for power systems.
  • Panel mount design for easy installation.
  • Lever actuator for operation.
  • Magnetic hydraulic delay type.

AA1-B0-12-620-5D1-C Applications

  • Used in electrical distribution panels.
  • Suitable for industrial control systems.
  • Applicable in power supply circuits.
  • Ideal for equipment protection.

AA1-B0-12-620-5D1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-12-620-5D1-C?

20A.

What is the voltage rating of this circuit breaker?

277V.

What type of circuit breaker is the AA1-B0-12-620-5D1-C?

Magnetic (Hydraulic Delay).

How many poles does this breaker have?

1 pole.

What actuator type is used on this breaker?

Lever.

What mounting type is supported?

Panel Mount.

What safety approvals does this part carry?

CCC, CSA, UL.

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The Littelfuse Inc. AA1-B8-32-620-161-C is a 1-pole, magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
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