AA4-B0-34-620-9D1-C The Littelfuse Inc. AA4-B0-34-620-9D1-C is a 4-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA4-B0-34-620-9D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA4-B0-34-620-9D1-C is a 4-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AA4-B0-34-620-9D1-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

AA4-B0-34-620-9D1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA4-B0-34-620-9D1-C, is a 4-pole device with a magnetic hydraulic delay mechanism. It is rated for a maximum current of 20A and a voltage of 277V.

 

The breaker is designed for panel mounting and features a lever actuator. It offers no illumination.

 

Key specifications include a 20A current rating and 277V voltage rating, making it suitable for various power distribution applications. The device is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

 

Approval agencies include CCC, CSA, and UL.

AA4-B0-34-620-9D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA4-B0-34-620-9D1-C Circuit Breaker

AA4-B0-34-620-9D1-C Compliance

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

AA4-B0-34-620-9D1-C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

AA4-B0-34-620-9D1-C Features

  • 20A current rating for power control.
  • 277V voltage rating for electrical systems.
  • 4-pole configuration for multi-circuit protection.
  • Panel mount design for easy installation.
  • Magnetic hydraulic delay for reliable operation.

AA4-B0-34-620-9D1-C Applications

  • Used in power distribution panels.
  • Suitable for industrial control systems.
  • Applicable in commercial electrical systems.
  • Protects circuits from overcurrents.

AA4-B0-34-620-9D1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA4-B0-34-620-9D1-C circuit breaker?

The current rating is 20A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

How many poles does the AA4-B0-34-620-9D1-C have?

This circuit breaker has 4 poles.

What type of breaker mechanism does this unit use?

It uses a Magnetic (Hydraulic Delay) breaker type.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Is the AA4-B0-34-620-9D1-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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