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AA1-B0-34-620-3B1-C The Littelfuse Inc. AA1-B0-34-620-3B1-C is a 1-pole circuit breaker rated for 20A and 277VAC. It features a magnetic hydraulic delay and a lever actuator for panel mounting.
Mfr Part #:

AA1-B0-34-620-3B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-34-620-3B1-C is a 1-pole circuit breaker rated for 20A and 277VAC. It features a magnetic hydraulic delay and a lever actuator for panel mounting.
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AA1-B0-34-620-3B1-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-B0-34-620-3B1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-34-620-3B1-C, is designed for reliable circuit protection. It offers a current rating of 20A and a voltage rating of 277VAC, with a DC voltage rating of 80VDC.

 

The breaker type is magnetic with a hydraulic delay, providing specific trip characteristics. It is a single-pole unit with a lever actuator, suitable for panel mounting applications. Approval agencies include CSA and UL, indicating compliance with relevant safety standards.

 

Environmental compliance includes RoHS3 compliance, MSL 1, and REACH unaffected status. The component is designed for general-purpose circuit protection in various industrial and commercial applications.

AA1-B0-34-620-3B1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: Littelfuse Inc. AA1-B0-34-620-3B1-C Circuit Breaker

AA1-B0-34-620-3B1-C Compliance

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

AA1-B0-34-620-3B1-C Features

  • 20A current rating for circuit protection.
  • 277VAC and 80VDC voltage ratings.
  • Magnetic breaker with hydraulic delay.
  • Single pole, lever actuator design.
  • Panel mount for easy installation.

AA1-B0-34-620-3B1-C Applications

  • Suitable for industrial control panels.
  • Used in commercial electrical systems.
  • Provides overcurrent protection.
  • Integrates into power distribution units.

AA1-B0-34-620-3B1-C FAQs

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

20A.

What is the voltage rating?

277VAC and 80VDC.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the actuator type?

Lever.

What is the mounting type?

Panel Mount.

What approvals does this circuit breaker have?

CSA and UL.

AA1-B0-34-620-3B1-C Alternate Parts

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Littelfuse Inc.
The Littelfuse Inc. AA1-F0-10-620-1B1-C is a 1-pole circuit breaker with a 20A current rating and 277VAC voltage rating. It features a magnetic (hydraulic delay) trip type and panel mount.
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