AA1-B0-12-630-4C1-C Littelfuse AA1-B0-12-630-4C1-C is a 30A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker with a lever actuator for panel mount applications.
Mfr Part #:

AA1-B0-12-630-4C1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse AA1-B0-12-630-4C1-C is a 30A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker with a lever actuator for panel mount applications.
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AA1-B0-12-630-4C1-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-B0-12-630-4C1-C Description

Short technical summary and product information.

The Littelfuse AA1-B0-12-630-4C1-C is a single-pole magnetic circuit breaker featuring a hydraulic delay mechanism. It is rated for 30A of continuous current at 277V AC, making it suitable for branch circuit protection in commercial and industrial power distribution systems.

 

The breaker uses a magnetic (hydraulic delay) trip characteristic, which provides precise overcurrent protection while allowing for temporary inrush currents without nuisance tripping. The lever actuator offers clear visual indication of the breaker state and allows for manual reset.

 

This component is designed for panel mount installation and carries approvals from CCC, CSA, and UL, indicating compliance with major international safety standards. The non-illuminated actuator keeps the design simple and reliable for demanding environments.

AA1-B0-12-630-4C1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse AA1-B0-12-630-4C1-C 30A 277V 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Hydraulic-Magnetic Circuit Breaker

AA1-B0-12-630-4C1-C Compliance

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

AA1-B0-12-630-4C1-C Features

  • Rated for 30A continuous current at 277V.
  • Single-pole magnetic hydraulic delay breaker.
  • Lever actuator for manual on/off control.
  • Panel mount design for easy installation.
  • Approved by CCC, CSA, and UL agencies.

AA1-B0-12-630-4C1-C Applications

  • Used in commercial power distribution panels.
  • Protects industrial equipment from overcurrent.
  • Suitable for lighting and HVAC branch circuits.
  • Ideal for motor control center protection.

AA1-B0-12-630-4C1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-12-630-4C1-C?

The current rating is 30A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AA1-B0-12-630-4C1-C?

It is a Magnetic (Hydraulic Delay) circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What is the mounting type for this breaker?

It is a panel mount circuit breaker.

What approvals does the AA1-B0-12-630-4C1-C hold?

It is approved by CCC, CSA, and UL.

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This Littelfuse AA1-B0-26-630-5G1-C is a 30A, 277V single-pole magnetic hydraulic delay circuit breaker. It features a lever actuator and panel mount design.
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The Littelfuse Inc. AA1-B0-24-630-521-C is a single-pole circuit breaker designed for panel mounting. It offers a 30A current rating and a 277V voltage rating.
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