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AA1-B2-34-630-5B1-C The AA1-B2-34-630-5B1-C is a 30A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount design.
Mfr Part #:

AA1-B2-34-630-5B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA1-B2-34-630-5B1-C is a 30A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount design.
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AA1-B2-34-630-5B1-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-B2-34-630-5B1-C Description

Short technical summary and product information.

The AA1-B2-34-630-5B1-C is a single-pole magnetic circuit breaker with hydraulic delay from Littelfuse Inc. It is rated for 30A continuous current at 277V AC. The magnetic hydraulic delay mechanism provides precise overcurrent protection with time delay characteristics suitable for handling inrush currents without nuisance tripping. The breaker features a lever actuator for manual reset and is designed for panel mount installation. It is non-illuminated. This circuit breaker is commonly used in industrial control panels, power distribution, and equipment protection applications where reliable overcurrent protection is required. The compact 1-pole design allows for space-efficient installation in multi-pole configurations.

AA1-B2-34-630-5B1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: AA1-B2-34-630-5B1-C Circuit Breaker, Magnetic (Hydraulic Delay), 30A, 277V, 1 Pole, Panel Mount
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

AA1-B2-34-630-5B1-C Compliance

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

AA1-B2-34-630-5B1-C Features

  • Rated for 30A continuous current at 277V.
  • Single-pole magnetic hydraulic delay breaker.
  • Panel mount design with lever actuator.
  • Non-illuminated actuator.
  • 1-pole configuration for compact installation.

AA1-B2-34-630-5B1-C Applications

  • Used in industrial control panels for overcurrent protection.
  • Suitable for power distribution equipment.
  • Ideal for protecting motors and transformers from overloads.
  • Applied in HVAC systems and lighting control.

AA1-B2-34-630-5B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B2-34-630-5B1-C?

277V.

What is the current rating?

30A.

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 is the mounting type?

Panel Mount.

Is the breaker illuminated?

No, it is non-illuminated.

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The Littelfuse Inc. AA1-B0-34-630-1B2-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 30A current rating and a 277V voltage rating.
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The Littelfuse Inc. BA1-B0-34-630-121-C is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a 30A current rating.
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