The TDL-4RB is a 4 Way 8 Amp Relay Board. It has 4 x 12Vdc inputs that can switch 4 separate 8 Amp single pole double throw relays.
The TDL-4FB is a 4 Way Fuse Board. It has 4 individual fused outputs. Each fuse has an associated LED to indicate that the fuse is operative. The LED illuminates green for normal positive 12Vdc operation and amber for AC voltages up to 24Vac.
The TDL-8FB is an 8 Way Fuse Board. It has 8 individual fused outputs. Each fuse has an associated LED to indicate that the fuse is operative. The LED illuminates green for normal positive 12Vdc operation and amber for AC voltages up to 24Vac
The Fire Alarm Interface board allows for the control of the power to the Access Control system via an input from the Fire Alarm system, to drop power from the Access Control doors upon a fire alarm activation.
