AA1-B2-10-650-5D2-C Littelfuse AA1-B2-10-650-5D2-C is a 1-pole magnetic hydraulic delay circuit breaker rated at 50 A and 277 V. It features a lever actuator and panel mount design.
Mfr Part #:

AA1-B2-10-650-5D2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse AA1-B2-10-650-5D2-C is a 1-pole magnetic hydraulic delay circuit breaker rated at 50 A and 277 V. It features a lever actuator and panel mount design.
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AA1-B2-10-650-5D2-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-B2-10-650-5D2-C Description

Short technical summary and product information.

The Littelfuse AA1-B2-10-650-5D2-C is a single-pole magnetic hydraulic delay circuit breaker designed for overcurrent protection in electrical systems. It is rated for 50 A continuous current at 277 V AC, making it suitable for branch circuit protection in commercial and industrial applications.

 

The breaker uses a magnetic hydraulic delay mechanism, which provides precise and reliable trip characteristics. The hydraulic delay allows for momentary inrush currents without nuisance tripping, while still offering fast response to sustained overloads and short circuits. The lever actuator provides clear visual indication of the breaker state and allows for manual reset.

 

This circuit breaker is panel mounted, simplifying installation in control panels, distribution boards, and equipment enclosures. It is approved by CCC, CSA, and UL, ensuring compliance with major international safety standards.

AA1-B2-10-650-5D2-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse AA1-B2-10-650-5D2-C 50 A 277 V 1-Pole Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic Hydraulic Delay Circuit Breaker

AA1-B2-10-650-5D2-C Compliance

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

AA1-B2-10-650-5D2-C Features

  • Rated for 50 A continuous current.
  • 277 V AC voltage rating.
  • Magnetic hydraulic delay trip mechanism.
  • Single-pole configuration with lever actuator.
  • Panel mount for easy installation.

AA1-B2-10-650-5D2-C Applications

  • Branch circuit protection in commercial panels.
  • Overcurrent protection for industrial equipment.
  • Motor and transformer inrush current handling.
  • Power distribution in control cabinets.

AA1-B2-10-650-5D2-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B2-10-650-5D2-C?

The current rating is 50 A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277 V.

What type of breaker is the AA1-B2-10-650-5D2-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 panel mounted.

What approvals does the AA1-B2-10-650-5D2-C have?

It is approved by CCC, CSA, and UL.

AA1-B2-10-650-5D2-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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BA1-B0-24-650-5A4-C
BA1-B0-24-650-5A4-C
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-24-650-5A4-C is a magnetic (hydraulic delay) circuit breaker. It features a 50A current rating and a 277V voltage rating.
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