AA1-B0-34-620-1B1-C AA1-B0-34-620-1B1-C is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It is rated for 20A at 277V and features a lever actuator.
Mfr Part #:

AA1-B0-34-620-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
AA1-B0-34-620-1B1-C is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It is rated for 20A at 277V and features a lever actuator.
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AA1-B0-34-620-1B1-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

AA1-B0-34-620-1B1-C Description

Short technical summary and product information.

The AA1-B0-34-620-1B1-C is a single-pole magnetic (hydraulic delay) circuit breaker manufactured by Littelfuse. It is rated for a continuous current of 20A at a voltage of 277V. The breaker uses a magnetic hydraulic delay mechanism for overcurrent protection, providing a time-delayed trip characteristic that is resistant to nuisance tripping from transient currents.

 

The circuit breaker is panel mounted and features a lever actuator for manual on/off control. It is designed for use in a variety of electrical distribution and equipment protection applications where reliable overcurrent protection is required. The part is RoHS3 compliant and has an MSL of 1 (unlimited).

AA1-B0-34-620-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-34-620-1B1-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic Circuit Breaker

AA1-B0-34-620-1B1-C Compliance

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

AA1-B0-34-620-1B1-C Features

  • 20A current rating for overcurrent protection.
  • 277V voltage rating for AC applications.
  • 1-pole magnetic hydraulic delay mechanism.
  • Lever actuator for manual control.
  • Panel mount design for easy installation.

AA1-B0-34-620-1B1-C Applications

  • Used in electrical distribution panels.
  • Protects equipment from overcurrent faults.
  • Suitable for industrial control systems.
  • Ideal for power supply protection circuits.

AA1-B0-34-620-1B1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-34-620-1B1-C?

The current rating is 20A.

What is the voltage rating of the AA1-B0-34-620-1B1-C?

The voltage rating is 277V.

What type of circuit breaker is the AA1-B0-34-620-1B1-C?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does the AA1-B0-34-620-1B1-C have?

It has 1 pole.

What is the actuator type for this circuit breaker?

The actuator type is lever.

What is the mounting type for the AA1-B0-34-620-1B1-C?

The mounting type is panel mount.

AA1-B0-34-620-1B1-C Alternate Parts

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AA1-B2-34-620-5D1-C
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The Littelfuse Inc. AA1-B2-34-620-5D1-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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The Littelfuse Inc. BA1-B2-12-620-421-C is a 1-pole circuit breaker. It features a 20A current rating and a 277V voltage rating.
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AA1-B0-32-620-1B2-C
AA1-B0-32-620-1B2-C
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The Littelfuse Inc. AA1-B0-32-620-1B2-C is a 1-pole circuit breaker. It features a 20A current rating and a 277V voltage rating.
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AA1-B0-34-620-132-C
AA1-B0-34-620-132-C
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The Littelfuse Inc. AA1-B0-34-620-132-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 20A current rating.
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