AA1-B0-12-650-5D2-C Single-pole magnetic (hydraulic delay) circuit breaker rated for 50A at 277V. Panel mount design with lever actuator and no illumination.
Mfr Part #:

AA1-B0-12-650-5D2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single-pole magnetic (hydraulic delay) circuit breaker rated for 50A at 277V. Panel mount design with lever actuator and no illumination.
Stock on Request

AA1-B0-12-650-5D2-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-B0-12-650-5D2-C Description

Short technical summary and product information.

The Littelfuse AA1-B0-12-650-5D2-C is a single-pole magnetic circuit breaker with hydraulic delay, rated for 50A at 277V. It is designed for panel mounting and uses a lever actuator. The breaker carries CCC, CSA, and UL approvals.

 

The magnetic (hydraulic delay) trip mechanism provides overcurrent protection with a time-delay characteristic. This single-pole configuration is suited for protecting individual branch circuits or loads in electrical distribution and control applications.

 

The panel mount design allows installation directly into equipment enclosures and control panels. The lever actuator provides manual on/off control and a clear visual indication of the breaker state. This unit has no illumination.

 

With a 50A current rating and 277V voltage rating, this circuit breaker is appropriate for applications requiring reliable overcurrent protection in a compact, single-pole form factor.

AA1-B0-12-650-5D2-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Magnetic (Hydraulic Delay) Circuit Breaker, 50A, 277V, 1-Pole, Panel Mount
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

AA1-B0-12-650-5D2-C Compliance

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

AA1-B0-12-650-5D2-C Features

  • Rated for 50A at 277V.
  • Single-pole magnetic hydraulic delay breaker.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, and UL.
  • This circuit breaker has no illumination.

AA1-B0-12-650-5D2-C Applications

  • Use in panel mount circuit protection.
  • Suitable for 277V branch circuit protection.
  • Ideal for single-pole overcurrent protection applications.
  • Fits control panels and equipment enclosures.

AA1-B0-12-650-5D2-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B0-12-650-5D2-C?

The voltage rating is 277V.

What is the mounting type of this circuit breaker?

The mounting type is panel mount.

What is the current rating of the AA1-B0-12-650-5D2-C?

The current rating is 50A.

What type of circuit breaker is the AA1-B0-12-650-5D2-C?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What type of actuator does this circuit breaker use?

It uses a lever actuator.

What agency approvals does this circuit breaker carry?

It carries CCC, CSA, and UL approvals.

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