Altronix T1CRK3F4DD kit consists of Trove1 enclosure, TDR1 backplane with one (1) 24VDC @ 6A power supply/charger, one (1) PTC protected access power controller, one (1) voltage regulator and one (1) dual input PTC protected power distribution module. This kit also accommodates one (1) Rhombus DC20M for up to four (4) doors in a single enclosure. Trove simplifies board layout and wire management, reduces installation time and labor costs.