4-Wire Qwikbus Power Supply. Supplies Power To The Sp333 System Control Unit - Used On 4-Wire Qwikbus Systems Only
Spec Sheet Preview: The Alpha Communications® / S.T.R.™ NG333 Power Supply is used only with the 4-wire QwikBUS™ series intercom and/or video-intercom systems. The NG333 provides the regulated power needed to control the SP333 QwikBUS™ intelligent controller. Each NG333 gets its power from a customer supplied power cord, and will operate on an input of 120VAC. NOTE: AS OF 08/01/2023 ALL OF THESE POWER SUPPLIES ARE NOW BEING MANUFACTURED ONLY TO ACCEPT A 220VAC TO 240VAC POWER INPUT, AND WILL NO LONGER WORK ON A 120VAC PRIMARY POWER INPUT!! Each 4-wire QwikBUS™ system requires a minimum of o …