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AA1-B0-26-440-1B1-C Single-pole magnetic (hydraulic delay) circuit breaker rated for 4A at 277V. Panel mount with lever actuator.
Mfr Part #:

AA1-B0-26-440-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single-pole magnetic (hydraulic delay) circuit breaker rated for 4A at 277V. Panel mount with lever actuator.
Stock on Request

AA1-B0-26-440-1B1-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
Voltage Rating
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AA1-B0-26-440-1B1-C Description

Short technical summary and product information.

The AA1-B0-26-440-1B1-C is a single-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It is rated for 4A continuous current at 277V AC/DC. The hydraulic delay mechanism provides time-delayed overcurrent protection suitable for applications where short inrush currents are expected. This breaker features a lever actuator for manual reset and panel mount installation. It has no illumination. The breaker is listed as RoHS3 compliant with MSL level 1. It is designed for reliable circuit protection in industrial and commercial equipment.

AA1-B0-26-440-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Magnetic (Hydraulic Delay) Circuit Breaker, 4A, 277V, 1-Pole, Panel Mount, Lever Actuator
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

AA1-B0-26-440-1B1-C Compliance

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

AA1-B0-26-440-1B1-C Features

  • Rated for 4A continuous current.
  • Operates at 277V AC/DC.
  • Magnetic hydraulic delay mechanism.
  • Single-pole configuration.
  • Panel mount with lever actuator.

AA1-B0-26-440-1B1-C Applications

  • Overcurrent protection for power supplies.
  • Suitable for industrial control panels.
  • Protects motors and transformers.
  • Used in commercial equipment circuits.

AA1-B0-26-440-1B1-C FAQs

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

4A.

What is the voltage rating?

277V.

How many poles does this circuit breaker have?

1 pole.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

What actuator type does it have?

Lever.

What is the mounting type?

Panel Mount.

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BA1-B0-24-440-121-C
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The Littelfuse Inc. BA1-B0-24-440-121-C is a single-pole, magnetic hydraulic delay circuit breaker. It is designed for panel mounting and offers a 4A current rating and 277V voltage rating.
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