AK1-B0-54-650-5F3-D This Littelfuse AK1-B0-54-650-5F3-D is a 1-pole magnetic hydraulic delay circuit breaker rated for 50A at 277V. It features a rocker actuator and panel mount design.
Mfr Part #:

AK1-B0-54-650-5F3-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This Littelfuse AK1-B0-54-650-5F3-D is a 1-pole magnetic hydraulic delay circuit breaker rated for 50A at 277V. It features a rocker actuator and panel mount design.
Stock on Request

AK1-B0-54-650-5F3-D 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

AK1-B0-54-650-5F3-D Description

Short technical summary and product information.

The Littelfuse AK1-B0-54-650-5F3-D is a single-pole magnetic hydraulic delay circuit breaker designed for overcurrent protection. It is rated for 50A at 277V AC or DC, providing reliable interruption of fault currents. The hydraulic-magnetic trip mechanism offers precise time-delay characteristics, reducing nuisance tripping while ensuring protection.

 

This breaker features a rocker actuator for manual on/off control and a panel mount design for secure installation in enclosures and control panels. It carries approvals from CCC, CSA, UL, and VDE, making it suitable for global applications.

 

The compact 1-pole construction allows for efficient use of panel space in branch circuit protection and equipment protection scenarios.

AK1-B0-54-650-5F3-D Quick Information

Product Type: Circuit Breaker
Series: AK1
Canonical Name: Littelfuse AK1-B0-54-650-5F3-D 1-Pole 50A 277V Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

AK1-B0-54-650-5F3-D Compliance

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

AK1-B0-54-650-5F3-D Features

  • Rated for 50A at 277V AC/DC.
  • Single-pole magnetic hydraulic delay breaker.
  • Rocker actuator for easy operation.
  • Panel mount for secure installation.
  • Approved by CCC, CSA, UL, and VDE.

AK1-B0-54-650-5F3-D Applications

  • Overcurrent protection in industrial control panels.
  • Branch circuit protection in power distribution.
  • Suitable for commercial and residential electrical systems.
  • Used in equipment requiring hydraulic-magnetic trip.

AK1-B0-54-650-5F3-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AK1-B0-54-650-5F3-D?

The current rating is 50A.

What is the voltage rating?

The voltage rating is 277V.

What type of circuit breaker is this?

It is a magnetic (hydraulic delay) type circuit breaker.

How many poles does it have?

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

What is the actuator type?

The actuator is a rocker type.

What is the mounting type?

It is designed for panel mount.

What approvals does this circuit breaker have?

It is approved by CCC, CSA, UL, and VDE.

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