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TrolMaster OM-8 8-output dry contact board with blue LCD displaying 8 channels, 5 ON and 3 OFF.
White TrolMaster OM-8 8-output dry contact board with illuminated buttons showing ON/OFF status.
TrolMaster OM-8 8-output dry contact board with illuminated digital display showing ON/OFF status.
TrolMaster OM-8 8-output dry contact board on a white box.
Diagram of TrolMaster OM-8 dry contact board connected to a main unit.
TrolMaster OM-8 8-output dry contact board with blue LCD displaying 8 channels, 5 ON and 3 OFF.
White TrolMaster OM-8 8-output dry contact board with illuminated buttons showing ON/OFF status.
TrolMaster OM-8 8-output dry contact board with illuminated digital display showing ON/OFF status.
TrolMaster OM-8 8-output dry contact board on a white box.
Diagram of TrolMaster OM-8 dry contact board connected to a main unit.

TrolMaster OM-8 8-Output Dry Contact Board

Official TrolMaster Dealer Model: OM-8
$442.17 CAD
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Options:Pay in 6, Pay Monthly
Amount:Up to $1,500 (Pay in 6)
$1,501–$30,000 (Monthly)
Schedule:Bi-weekly / Monthly
Term:6 bi-weekly / 6–60 months
Interest:0% (up to $1,500) / 11.99% APR
Not available in:Quebec
Looking to finance equipment under your corporation? Learn more about Business Financing
  • Eight independent outputs rated for up to 12 Amps each.
  • Supports a wide power input range from 100 to 240 VAC.
  • Designed for standard electric control cabinet mounting.
  • 3-year warranty covering mechanical and electronic components.
  • View More Details

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VOLUME PRICING

Commercial & Bulk Purchasing

We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

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THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are adding high-amperage equipment to your facility because your current setup cannot handle the electrical load.
  • You are integrating professional control hardware because you need tactile override capability during critical system tests.

What We Found

  • We recommend this board for facilities moving beyond simple outlets to professional-grade relay switching.
  • The 12A rating per contact is a massive upgrade over internal controller relays that often fail under inductive loads.

What Users Say

  • Users who transitioned from standard timers report they no longer see relay welding in their climate control cycles.
  • Managers in large-scale facilities say the manual override switch saved them hours during initial equipment commissioning.

TrolMaster OM-8 8-Output Dry Contact Board

Managing high-amperage equipment like industrial pumps, heavy-duty solenoids, and massive lighting arrays requires more than a standard controller—it requires a robust switching hub that can handle the load without failing. The TrolMaster OM-8 Dry Contact Board is engineered specifically for the TrolMaster Hydro-X Pro HCS-2 and TrolMaster Aqua-X Pro NFS-2 systems, providing eight independent electrical contacts that bridge the gap between low-voltage logic and high-power execution.

Each of the eight contacts on the TrolMaster OM-8 is rated for up to 12 Amps, offering the heavy-duty capacity needed for commercial-scale irrigation and climate control. For growers requiring even higher current capacity for specific devices, the OM-8 works perfectly in tandem with the DSR-1 25A Relay Station. Designed for professional integration, the OM-8 is intended for mounting within an electric control cabinet and supports a wide power input range of 100-240 VAC. With its built-in LCD display and unique manual override feature, facility managers gain total tactile control over their most critical hardware.

Compatibility: Specially designed for the TrolMaster Hydro-X Pro (HCS-2) and Aqua-X Pro (NFS-2), this board also integrates seamlessly with the WCS-2 Substrate Sensor and the broader TrolMaster ecosystem.

Features

🔢
8 Independent Outputs

Control up to eight separate devices from a single board, providing massive expansion for controllers like the Hydro-X Plus HCS-3.

⚡
12A High Capacity

Each contact supports up to 12 Amps, ideal for powering larger pumps and high-draw equipment.

🖥️
LCD Display

The built-in display makes on-site setup, monitoring, and troubleshooting straightforward and efficient.

🛡️
Overload Protection

Individual protection on every output ensures your system remains safe from electrical spikes and failures.

🔘
Manual Override

Force any contact open or closed for 30 minutes for testing or emergency manual control.

What's Included

  • 1x OM-8 Dry Contact Board
  • 1x 16 ft RJ12 Cable

Specifications

Specification Value
Max Relay Amperage 12A Per Output
Number of Outputs 8 Individual Contacts
Input Voltage 100-240 VAC
Operating Temperature 32-104°F
Operating Humidity ≤90%
Dimensions 255mm(L) x 135mm(W) x 95mm(H)

FAQs

How many devices can the OM-8 control?+

The TrolMaster OM-8 features eight independent electrical contacts, allowing your Pro-series controller to manage up to eight separate high-power devices from a single expansion board.

What is the maximum amperage for each output?+

Each of the eight contacts is rated for a maximum current of 12 Amps, making it the ideal solution for heavy-duty industrial pumps and high-draw equipment.

Does the OM-8 require a specific mounting environment?+

Yes, the OM-8 is designed for professional integration and should be mounted within an electric control cabinet to ensure safety and compliance with commercial electrical standards.

How does the manual override function work?+

The OM-8 allows users to manually force any contact to an open or closed state for 30 minutes via the built-in interface, which is perfect for testing equipment or emergency overrides.

Is the OM-8 compatible with the HCS-1 controller?+

While compatible with the wider ecosystem, the OM-8 is specifically optimized for the advanced features of the Hydro-X Pro (HCS-2) and Aqua-X Pro (NFS-2) systems.

Happy To Help

Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (778) 300-3154

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