The AT-Series machine control unit is used with the MK, Industrial Paddle and Industrial Toggle operator control units to provide a robust, heavy-duty industrial remote control system. The system is fully customizable and can be used for crane remote control, lifting equipment and industrial applications.

  • 16- or 32-relay and floating stepless versions
  • Automatic safety override output relay verification
  • 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
  • Works with the Cattron MK, Industrial Paddle and Industrial Toggle OCUs

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Steel enclosure and EMI isolated electronics


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


Two-digit LED for status and diagnostics


Relays 8A @ 250VAC 5A @ 30VDC, snubber circuits included on each relay


AT-16 – 16 relays; AT-32 – 32 relays


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

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