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AA1-B2-10-650-5D1-C AA1-B2-10-650-5D1-C is a 50A, 277V single-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It features panel mount and lever actuator.
Mfr Part #:

AA1-B2-10-650-5D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
AA1-B2-10-650-5D1-C is a 50A, 277V single-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It features panel mount and lever actuator.
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AA1-B2-10-650-5D1-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-B2-10-650-5D1-C Description

Short technical summary and product information.

The AA1-B2-10-650-5D1-C is a circuit breaker manufactured by Littelfuse Inc. It is a single-pole magnetic (hydraulic delay) type designed for overcurrent protection.

 

Electrical ratings include a current rating of 50A and a voltage rating of 277V. The breaker uses a lever actuator and is intended for panel mount installation. The unit is non-illuminated.

 

This circuit breaker is suitable for applications requiring reliable magnetic trip characteristics with hydraulic delay for time-current coordination.

AA1-B2-10-650-5D1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: AA1-B2-10-650-5D1-C Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

AA1-B2-10-650-5D1-C Compliance

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

AA1-B2-10-650-5D1-C Features

  • Rated for 50A continuous current.
  • Rated for 277V AC/DC operation.
  • Single-pole magnetic hydraulic delay breaker.
  • Panel mount design with lever actuator.
  • Non-illuminated lever actuator.

AA1-B2-10-650-5D1-C Applications

  • Overcurrent protection for power distribution.
  • Protection for industrial control panels.
  • Used in commercial lighting circuits.
  • Suitable for HVAC equipment protection.
  • Motor branch circuit protection.

AA1-B2-10-650-5D1-C FAQs

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

50A.

What is the voltage rating?

277V.

What type of breaker is it?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the actuator type?

Lever.

Is the breaker illuminated?

No, it is non-illuminated.

What is the mounting type?

Panel mount.

AA1-B2-10-650-5D1-C Alternate Parts

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BA1-B0-34-650-522-C
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The Littelfuse Inc. BA1-B0-34-650-522-C is a 1-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) trip mechanism.
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This Littelfuse Inc. circuit breaker, part number AA1-B0-34-650-HB2-C, offers a 50A current rating and 277V voltage rating. It is designed for panel mounting.
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