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AA1-B2-26-650-5B1-C Single pole magnetic hydraulic circuit breaker rated at 50A and 277V. Panel mount with lever actuator, approved by CCC, CSA, and UL.
Mfr Part #:

AA1-B2-26-650-5B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single pole magnetic hydraulic circuit breaker rated at 50A and 277V. Panel mount with lever actuator, approved by CCC, CSA, and UL.
Stock on Request

AA1-B2-26-650-5B1-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
Voltage Rating
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AA1-B2-26-650-5B1-C Description

Short technical summary and product information.

This single pole circuit breaker from Littelfuse features a magnetic hydraulic delay mechanism for precise overload protection. It is rated for 50A continuous current at 277V AC, suitable for branch circuit protection in industrial and commercial panels. The lever actuator provides manual ON/OFF control with clear visual indication.

 

The breaker is designed for panel mount installations, offering a compact solution for distribution boards and control enclosures. It is non-illuminated and does not include auxiliary contacts.

 

Safety approvals from CCC, CSA, and UL certify compliance with international standards. The magnetic hydraulic trip characteristic delivers stable, temperature-compensated performance across a wide range of ambient conditions.

AA1-B2-26-650-5B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: 1-Pole Magnetic Hydraulic Circuit Breaker, 50A, 277V
Subcategory: Magnetic Circuit Breaker

AA1-B2-26-650-5B1-C Compliance

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

AA1-B2-26-650-5B1-C Features

  • 1-pole magnetic hydraulic circuit breaker.
  • Rated for 50A at 277V AC.
  • Lever actuator for ON/OFF control.
  • Panel mount design for easy installation.
  • Approved by CCC, CSA, and UL.

AA1-B2-26-650-5B1-C Applications

  • Ideal for branch circuit protection in panels.
  • Used in industrial control systems.
  • Suitable for lighting and distribution circuits.
  • Protection for motor controllers.

AA1-B2-26-650-5B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B2-26-650-5B1-C circuit breaker?

50A

What is the voltage rating?

277V

How many poles does it have?

1 pole

What type of breaker is it?

Magnetic (Hydraulic Delay)

What is the actuator type?

Lever

What mounting type does it have?

Panel mount

What safety approvals does it carry?

CCC, CSA, UL

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