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

AA1-B0-42-618-1D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single-pole magnetic hydraulic-delay circuit breaker rated 18A at 277V with lever actuator and panel mount.
Stock on Request

AA1-B0-42-618-1D1-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

AA1-B0-42-618-1D1-C Description

Short technical summary and product information.

The Littelfuse AA1-B0-42-618-1D1-C is a single-pole magnetic circuit breaker with hydraulic delay, rated for 18A at 277V. It uses a lever actuator and is designed for panel mounting. The magnetic hydraulic-delay mechanism provides reliable overcurrent protection for a range of electrical applications.

 

The breaker is approved by CCC, CSA, and UL, supporting use in applications requiring recognized safety certifications. The non-illuminated lever actuator offers clear manual control of the circuit.

 

This circuit breaker is suitable for protecting branch circuits and equipment in industrial, commercial, and similar installations where a 277V single-phase supply is used. The panel-mount design allows for straightforward integration into control panels and enclosures.

AA1-B0-42-618-1D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Single-Pole Magnetic Hydraulic-Delay Circuit Breaker, 18A, 277V
Subcategory: Magnetic Circuit Breaker

AA1-B0-42-618-1D1-C Compliance

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

AA1-B0-42-618-1D1-C Features

  • Rated for 18A at 277V operation.
  • Single-pole magnetic hydraulic-delay breaker.
  • Lever actuator for manual control.
  • Panel mount for easy installation.
  • CCC, CSA, and UL approved.

AA1-B0-42-618-1D1-C Applications

  • Overcurrent protection for lighting circuits
  • Used in industrial control panels
  • Suitable for motor branch circuits
  • Protects power distribution equipment

AA1-B0-42-618-1D1-C FAQs

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

The circuit breaker is rated for 18A.

What is the voltage rating of this circuit breaker?

The circuit breaker is rated for 277V.

What type of circuit breaker is this?

This is a magnetic circuit breaker with hydraulic delay.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What type of actuator does this circuit breaker use?

This circuit breaker uses a lever actuator.

What approvals does this circuit breaker have?

This circuit breaker is approved by CCC, CSA, and UL.

How is this circuit breaker mounted?

This circuit breaker is designed for panel mounting.

AA1-B0-42-618-1D1-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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AA1-B0-42-618-2D1-C
AA1-B0-42-618-2D1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-42-618-2D1-C is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 18A and 277V. It features a lever actuator and panel mount design.
View Part
AA1-B0-42-618-2C1-C
AA1-B0-42-618-2C1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-42-618-2C1-C is a magnetic hydraulic delay circuit breaker. It features an 18A current rating and a 277V voltage rating.
View Part
AS1-B0-44-618-131-C
AS1-B0-44-618-131-C
Littelfuse Inc.
This Littelfuse circuit breaker is a 1-pole magnetic hydraulic delay type rated for 18A at 277V. It features a panel mount design with a lever actuator and is approved by UL, CSA, and CCC.
View Part
AA1-B0-52-618-3D1-C
AA1-B0-52-618-3D1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-52-618-3D1-C is a 1-pole circuit breaker rated for 18A and 277V. It features a magnetic (hydraulic delay) trip mechanism and a lever actuator.
View Part
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