The DTK-4LVLPCR and 3LVLPX are designed to protect various types of card readers. The 4LVLPCR protects power, data and LED circuits in one compact package; the 3LVLPX is designed to protect Wiegand and Wiegand-type 12 Volt, three-pair card reader systems. Also known as -DITEK DTK-4LVLPCR POWER DTA LED SG 12/24VDC
