Connecting Additional Safety Devices
Although GTO strongly recommends the use of additional safety devices, we do not endorse any specific brand names. Only use products that are certified and listed to be in compliance with any applicable UL standards (Underwriters Laboratories) and national and regional safety codes.
Call GTO Sales at 1-800-543-4283 for information on compatible
products for your specific application.
The Mighty Mule® 350 will ONLY accept accessory devices with normally open contact output.
Contact Sensors (safety edges)
If not installing a contact sensor skip to next section.
PLEASE NOTE: Contact sensors are not included with the Mighty Mule® 350.
The Mighty Mule® 350 is equipped with
Refer to the sensor manufacturer’s instructions for information about installing these devices on a vehicular gate.
Make sure the power switch to the opener is turned off before connecting safety device wiring to the terminal blocks. Unplugging the transformer does not turn power to the opener OFF.
Contact Sensor Input Connection:
Connect one of the EDGE contact sensor wires to the COMMON (COM) terminal and the other to the EDGE terminal on the Mighty Mule® 350 control board.
Activation of a contact sensor while the gate is in motion will cause the gate to stop and reverse for two (2) seconds.
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Wires from Contact Sensor
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