Von Duprin PS914-4RL-FA 4A @ 12/24 VDC output, field selectable with jumper Designed with high in rush current for powering electrified panic devices Universal 120 -240 VAC input Low voltage DC, regulated and filtered Electronic power limiting foldback circuit for AC current overload protection Two polarized connectors for distribution boards Fused primary input AC status monitor - isolated SPDT contacts AC input and DC output LED status indicators Cover mounted AC input indication Hinged cover w/ lock down screws High voltage protective cover 900-4RL: 4 Relay Logic Board Fire Alarm Board.

900-4RL: 4 relay distribution board with logic
is field configurable for time delay function,
auto operator, security interlock

900-FA: Emergency interface relay integrates
with fire alarm and is used to cut power in case
of emergency

Picture does not reflect actual product.