A Trigger Board and Triac work together to control the vibration rate of feeder bowls, inline feeders and vibratory hoppers. A short overview of how to adjust the Max and Min settings on both Trigger Boards can be found HERE.


Click to see electrical hook-up details of the (45U) Trigger Board

The 45U Trigger Board is used for 115 volt applications. It can be configured for full-wave (AC) or half-wave (DC) output. DC modes can be selected that utilize either the top half or bottom half of the AC sine-wave. Opposing half-wave (DC) settings can be chosen when used in Dual and Triple controls to equalize line current draw via opposing dip switch settings.


Click to see electrical hook-up details of the (TB23) Trigger Board

The TB23 Trigger Board is used for 230 volt applications. It can be configured for full-wave (AC) or half-wave (DC) output.