AA1-B0-21-615-1B1-C The AA1-B0-21-615-1B1-C is a 1-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc., rated for 15A at 277V. It features a panel mount design with a lever actuator.
Mfr Part #:

AA1-B0-21-615-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA1-B0-21-615-1B1-C is a 1-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc., rated for 15A at 277V. It features a panel mount design with a lever actuator.
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AA1-B0-21-615-1B1-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

AA1-B0-21-615-1B1-C Description

Short technical summary and product information.

The AA1-B0-21-615-1B1-C is a single-pole circuit breaker from Littelfuse Inc., utilizing a magnetic hydraulic delay mechanism for reliable overcurrent protection. It is rated for a continuous current of 15A at a maximum voltage of 277V AC.

 

This circuit breaker features a panel mount design, making it suitable for installation in control panels and equipment enclosures. The actuator type is a lever, providing a clear visual indication of the breaker's status (ON/OFF). The magnetic hydraulic delay trip mechanism offers precise time-current characteristics, providing protection against short circuits and sustained overloads while allowing for temporary inrush currents.

 

This component is designed for use in a variety of industrial and commercial applications where reliable circuit protection is required. The single-pole configuration is ideal for protecting individual branch circuits or loads.

AA1-B0-21-615-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-21-615-1B1-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Single Pole Circuit Breakers

AA1-B0-21-615-1B1-C Compliance

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

AA1-B0-21-615-1B1-C Features

  • Rated for 15A continuous current.
  • Maximum voltage rating of 277V.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • RoHS3 compliant and REACH unaffected.

AA1-B0-21-615-1B1-C Applications

  • Protects individual branch circuits in panels.
  • Suitable for industrial control equipment.
  • Used in commercial power distribution systems.
  • Ideal for motor and transformer protection.

AA1-B0-21-615-1B1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-21-615-1B1-C circuit breaker?

The AA1-B0-21-615-1B1-C has a current rating of 15A.

What is the voltage rating of this Littelfuse circuit breaker?

The voltage rating is 277V.

What type of circuit breaker is the AA1-B0-21-615-1B1-C?

It is a Magnetic (Hydraulic Delay) type circuit breaker.

How many poles does this circuit breaker have?

It is a single-pole (1-pole) circuit breaker.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

What type of actuator does this circuit breaker use?

It uses a Lever actuator.

AA1-B0-21-615-1B1-C Alternate Parts

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BA1-B0-20-615-1D1-C
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Littelfuse BA1-B0-20-615-1D1-C is a 1-pole magnetic circuit breaker rated for 15A at 277V. It features a lever actuator and panel mount design.
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The Littelfuse Inc. AA1-B0-10-615-511-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 15A current rating.
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