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AA1-B0-42-618-3D1-C The Littelfuse Inc. AA1-B0-42-618-3D1-C is a magnetic (hydraulic delay) circuit breaker with an 18A current rating and 277V voltage rating. It features a panel mount design and lever actuator.
Mfr Part #:

AA1-B0-42-618-3D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-42-618-3D1-C is a magnetic (hydraulic delay) circuit breaker with an 18A current rating and 277V voltage rating. It features a panel mount design and lever actuator.
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AA1-B0-42-618-3D1-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-B0-42-618-3D1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-42-618-3D1-C, is designed for circuit protection applications. It operates with a current rating of 18A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, and it has a single pole configuration. The mounting type is panel mount, and it features a lever actuator for operation. Illumination is not provided.

 

Environmental compliance includes RoHS3 compliance, an MSL of 1, and REACH unaffected status. These compliance details are based on available data and may require verification.

 

This component is suitable for various applications requiring reliable overcurrent protection.

AA1-B0-42-618-3D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-42-618-3D1-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-42-618-3D1-C Compliance

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

AA1-B0-42-618-3D1-C Features

  • 18A current rating for protection.
  • 277V voltage rating for circuits.
  • Magnetic breaker with hydraulic delay.
  • Panel mount design for easy installation.
  • Lever actuator for operation.

AA1-B0-42-618-3D1-C Applications

  • Ideal for overcurrent protection in industrial panels.
  • Suitable for motor and transformer branch circuits.
  • Used in power distribution and control systems.
  • Provides time-delay tripping for inrush currents.

AA1-B0-42-618-3D1-C FAQs

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

277V.

What is the current rating of this circuit breaker?

18A.

What type of breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What type of actuator does this circuit breaker have?

Lever.

What is the mounting type of this circuit breaker?

Panel Mount.

Does this circuit breaker have illumination?

No, it has no illumination.

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AA1-B0-42-618-1D1-C
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Single-pole magnetic hydraulic-delay circuit breaker rated 18A at 277V with lever actuator and panel mount.
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