AA1-B0-34-527-9D1-C AA1-B0-34-527-9D1-C is a 1-pole magnetic hydraulic delay circuit breaker rated for 2.75A at 277V. It features a lever actuator and panel mount design.
Mfr Part #:

AA1-B0-34-527-9D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
AA1-B0-34-527-9D1-C is a 1-pole magnetic hydraulic delay circuit breaker rated for 2.75A at 277V. It features a lever actuator and panel mount design.
Stock on Request

AA1-B0-34-527-9D1-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-B0-34-527-9D1-C Description

Short technical summary and product information.

The AA1-B0-34-527-9D1-C is a single-pole magnetic circuit breaker from Littelfuse, utilizing a hydraulic delay mechanism for reliable overcurrent protection. It is rated for a continuous current of 2.75A at a voltage of 277V. The breaker employs a magnetic (hydraulic delay) trip characteristic, providing time-delayed response to overloads and instantaneous response to short circuits. The actuator is a lever type, and the unit is designed for panel mount installation. It carries approvals from CCC, CSA, and UL, indicating compliance with international safety standards. This circuit breaker is suitable for applications requiring robust overcurrent protection in industrial, commercial, or residential power distribution systems.

AA1-B0-34-527-9D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-34-527-9D1-C Circuit Breaker
Subcategory: Magnetic Hydraulic Delay Circuit Breaker

AA1-B0-34-527-9D1-C Compliance

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

AA1-B0-34-527-9D1-C Features

  • Rated for 2.75A continuous current.
  • 277V operating voltage rating.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, and UL.

AA1-B0-34-527-9D1-C Applications

  • Overcurrent protection in industrial control panels.
  • Branch circuit protection in power distribution.
  • Used in commercial equipment requiring 277V circuits.
  • Suitable for North American and Chinese markets.

AA1-B0-34-527-9D1-C FAQs

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

The AA1-B0-34-527-9D1-C is rated for 277V.

What is the current rating of this circuit breaker?

The current rating is 2.75A.

How many poles does this circuit breaker have?

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

What type of breaker mechanism does it use?

It uses a magnetic (hydraulic delay) trip mechanism.

What is the mounting style of this circuit breaker?

It is designed for panel mount installation.

What type of actuator does it have?

It features a lever actuator.

Which safety agencies have approved this circuit breaker?

It is approved by CCC, CSA, and UL.

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