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AA1-B2-34-620-5B1-C The Littelfuse Inc. AA1-B2-34-620-5B1-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B2-34-620-5B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B2-34-620-5B1-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
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AA1-B2-34-620-5B1-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
SVHC Present
Voltage Rating
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AA1-B2-34-620-5B1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B2-34-620-5B1-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. It is configured with a single pole and is suitable for panel mounting.

 

Key approvals include CCC, CSA, and UL, indicating compliance with various safety standards. The RoHS status is reported as RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1 Unlimited.

AA1-B2-34-620-5B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B2-34-620-5B1-C Magnetic (Hydraulic Delay) Circuit Breaker

AA1-B2-34-620-5B1-C Compliance

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

AA1-B2-34-620-5B1-C Features

  • 20A current rating for circuit protection.
  • 277V voltage rating for electrical systems.
  • Magnetic (hydraulic delay) breaker type.
  • Single pole, lever actuator design.
  • Panel mount for easy installation.

AA1-B2-34-620-5B1-C Applications

  • Suitable for general circuit protection.
  • Used in systems requiring 277V.
  • Ideal for 20A load applications.
  • Panel-mounted installations.

AA1-B2-34-620-5B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B2-34-620-5B1-C?

20A

What is the voltage rating?

277V

How many poles does this circuit breaker have?

1 pole

What type of breaker is it?

Magnetic (hydraulic delay)

What is the actuator type?

Lever

What mounting type does it use?

Panel mount

What approvals does it have?

CCC, CSA, UL

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