The EC/LO Pro™ OCU is an ergonomic, lightweight operator control unit used with the EC/LO Pro locomotive remote control system for European rail operators. EC/LO Pro is the first system in the industry to pass the TÜV Nord assessment and was certified for safety functions up to SIL 3. The OCU has five basic designs and is fully customizable.

  • Third-party assessment by TÜV Nord for SIL 3 certification
  • Basic configurations available or full customization
  • Rapid configuration changes in the field
  • Works with the EC/LO Pro

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IP65 housing made of impact-resistant polycarbonate resin

MCU Compatibility

Used with the EC/LO Pro MCU and TH-EC/LO MCU

Safety Compliance

EN 50126, EN 50128 SIL3, EN 50129 SIL3, EN 50239, EN 50155

System Indications

Audible and visual indications of low battery status and/or other status messages

Data Transmission Compliance

EN 50159-2, EN 60870-5-1,Integrity Class 13


Integrated internal antenna with external antenna as an option


Standard one-year product warranty

ISO Certification

Manufactured in an ISO 9001:2015 certified operation

Pitch and Catch

Enables a two-person team to direct movement of the locomotive including braking, horn and tilt protection


Transmission of information from the locomotive to the OCU via configurable display

LED Flashlights

Two LED blocks, each with five super-bright white LEDs, can be mounted on the front of the portable transmitter. These blocks are controlled alternately in a fast rhythm and thus generate a warning signal, improving the safety of operators.


RFID-based technology that allows control commands to be coupled into the portable transmitter without contact and without mechanical connectors.

Battery Charger

Passes fire protection standards thus enabling it to be conveniently mounted on the locomotive

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