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AA2-B0-34-620-231-C 20A, 277V, 2-pole hydraulic-magnetic circuit breaker with lever actuator and panel mount. Designed for relible overcurren protecion in commercial and industial applicatons.
Mfr Part #:

AA2-B0-34-620-231-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
20A, 277V, 2-pole hydraulic-magnetic circuit breaker with lever actuator and panel mount. Designed for relible overcurren protecion in commercial and industial applicatons.
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AA2-B0-34-620-231-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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AA2-B0-34-620-231-C Description

Short technical summary and product information.

The AA2-B0-34-620-231-C is a 2-pole hydraulic-magnetic circuit breaker from Littelfuse. It is rated for 20A continuous current at 277V AC. The hydraulic-magnetic delay mechanism provides precise overcurrent protection independent of ambient temperature, making it suitable for a wide range of applications. The breaker features a lever actuator and is intended for panel mount installation. It carries approvals from CCC, CSA, and UL, ensuring compliance with international safety standards. The non-illuminated design simplifies integration into existing control panels. This circuit breaker is commonly used in industrial machinery, commercial power distribution, and HVAC systems for reliable branch circuit protection.

AA2-B0-34-620-231-C Quick Information

Product Type: Circuit Breaker
Series: AA2
Canonical Name: AA2-B0-34-620-231-C Circuit Breaker

AA2-B0-34-620-231-C Compliance

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

AA2-B0-34-620-231-C Features

  • Hydraulic-magnetic delay for precise overcurrent protection.
  • Rated for 20A at 277V AC.
  • Two-pole design for simultaneous line switching.
  • Panel mount with lever actuator for easy operation.
  • Approved by CCC, CS, and UL safety agencies.

AA2-B0-34-620-231-C Applications

  • Industrial control panels and machinery.
  • Commercial lighting and HVAC systems.
  • Power distribution and branch circuit protection.
  • Equipment requiring reliable overcurrent protection.

AA2-B0-34-620-231-C FAQs

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

20A.

What is the voltage rating?

277V.

How many poles does this breaker have?

2 poles.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay) with lever actuator, non-illuminated.

What agency approvals does it have?

CCC, CSA, and UL.

What is the mounting type?

Panel mount.

AA2-B0-34-620-231-C Alternate Parts

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AB2-B0-24-620-5C1-C
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The Littelfuse Inc. AB2-B0-24-620-5C1-C is a 2-pole magnetic circuit breaker rated for 20A and 277V. It features a panel mount design.
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AA2-B0-34-620-5G2-C
AA2-B0-34-620-5G2-C
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The Littelfuse Inc. AA2-B0-34-620-5G2-C is a 2-pole magnetic (hydraulic delay) circuit breaker. It is designed for panel mounting and offers a 20A current rating and 277V voltage rating.
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AA2-B0-24-620-3B1-C
AA2-B0-24-620-3B1-C
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The Littelfuse Inc. AA2-B0-24-620-3B1-C is a 2-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
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BA2-B0-22-620-5D1-C
BA2-B0-22-620-5D1-C
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20A, 277V, 2-pole magnetic hydraulic delay circuit breaker from Littelfuse. Features panel mount, lever actuator, and UL/CSA/CCC approvals.
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