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The AT-Series machine control unit is used for the wireless remote control of cranes, lifting equipment and a variety of machine control applications. 


  • 16- or 32-relay and floating stepless versions available
  • Designed for long-life and reliability in the industrial environment
  • Steel enclosure and EMI isolated electronics
  • Modular construction and plug-in relays for easy diagnostics and maintenance
  • Every relay features contact monitoring for enhanced safety
  • Fully customizable system

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Modular construction and plug-in relays for easy diagnostics and maintenance


Relays 8A @ 250Vac 5A @ 30Vdc, snubber circuits included on each relay


AT-16 - 16 relays; AT-32 - 32 relays


Steel enclosure and EMI isolated electronics


Two-digit LED for status and diagnostics


Standard one-year product warranty

ISO Certification

Manufactured in an ISO 9001:2015 certified operation

RF Range Control

RF Close Start and RF Range Limiting impose limits on the distance between the controller and machine at startup and during operation

Pitch & Catch

Multiple operators can control a single receiver, pitching control seamlessly between operators

Intermediate Relay Package

Larger enclosure, relays, transfer switch and terminal strips for 250VDC or 440VAC systems

AutoCAD Drawing Package

Crane interconnect drawings

Magnet Control Package

Mechanical latching relays for Lift/Drop controls or Lift/Drop/Fan controls


NEMA 4X fiberglass or NEMA 4X stainless steel


Multiple operators can control multiple receivers using selector switches to select appropriate receiver

Automatic Safety Override (ASO)

Monitors motion control relays to ensure relay opening and closing occur as requested

250VDC Package

Power converter for 250VDC applications

Overhead Cranes

Using a wireless remote control to enable the operator to control all crane functions from a safer vantage point with greater efficiency than a tethered controller allows

Ship Loaders​

Using industrial remote control to control the conveying and chutes associated with loading marine vessels

Steel Stockholders

Particularly useful for operation in confined spaces, such as between racking systems

Rock Crusher

Control the conveyors and function of rock crushers with a heavy-duty industrial wireless remote control

Rock Grader

Control the track, boom and conveyor of a screen machine via an industrial wireless remote control

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