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AA1-B0-20-620-5D1-C The Littelfuse Inc. AA1-B0-20-620-5D1-C is a 1-pole magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-20-620-5D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-20-620-5D1-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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AA1-B0-20-620-5D1-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-B0-20-620-5D1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-20-620-5D1-C, is designed for circuit protection applications. It operates with a 20A current rating and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, and it features a lever actuator for operation. It is a single-pole unit suitable for panel mounting.

 

Compliance agencies include CCC, CSA, and UL. The component is RoHS3 Compliant, has an MSL of 1, and is REACH Unaffected. The DK part number for this item is 432-AA1-B0-20-620-5D1-C-ND.

AA1-B0-20-620-5D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-20-620-5D1-C Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

AA1-B0-20-620-5D1-C Compliance

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

AA1-B0-20-620-5D1-C Features

  • 20A current rating for protection.
  • 277V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Panel mount with lever actuator.
  • Single-pole design.

AA1-B0-20-620-5D1-C Applications

  • Overcurrent protection in industrial control panels.
  • Branch circuit protection in commercial equipment.
  • Power distribution unit protection.
  • Motor circuit protection with hydraulic delay.

AA1-B0-20-620-5D1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B0-20-620-5D1-C circuit breaker?

277V AC.

What is the current rating of this circuit breaker?

20A.

How many poles does the AA1-B0-20-620-5D1-C have?

1 pole.

What type of actuator does this circuit breaker use?

Lever actuator.

What mounting type is this circuit breaker designed for?

Panel mount.

Which agency approvals does this circuit breaker hold?

UL, CSA, and CCC.

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