Description
The SP333 from Alpha is a qwikbus intelligent controller, 1 required for 40 audio units, requires SNT333 power supply for 2 wire Qwikbus systems. The Alpha SP333 intelligent controller is used only with the QwikBUS intercom and/or video-intercom systems. The SP333 provides the intelligent ‘BUS’ circuitry needed to control the QwikBUS system functions. Each SP333 gets its power from the SNT333 power supply. All SP333 field connections are positive screw terminal type, or plug-in type. Each QwikBUS system requires a minimum of one SP333 intelligent controller.
Features
- Easily Installs Right on Finished Wall Surface or in Optional Junction Box
- Operates on Safe Low-Voltage Class II Wiring
- Positive Screw Terminal and Plug-in Connectors
