Economical and reliable, these general purpose, cabinet enclosed units are available in 12 or 24VDC models at 3 or 4A. This family of Power Supply / Battery Chargers allows the applications engineer to provide main, standby or auxiliary power to non-listed systems for doorstrikes, maglocks, card readers, proximity readers and other equipment used in security system integration applications. These versatile power supplies / battery chargers feature full regulation and filtering, short circuit and thermal protection, and linear design technology. They are supplied complete with locking cabinet and transformer. Charge capacity ranges from 20 to 38Ah depending on model.