It is used to start up the unit and regulate flow.
The black plastic case is fitted with half/ventilation switches, a sight glass and a dimmer.
Power supply harness included with the box: The box includes a 3-pin plug for power supply to the tractor with a 1.5-meter harness (2×2.5mm cable) and a 7-pin plug for connection to the distributor (4×2.5mm cable for the electric T17 and 2×2.5mm cable for the hydraulic T17) with a 6-meter harness.
Be sure to select the right box for your seeder’s ventilation system (electric or hydraulic).
