The intelligent controller(s) shall be Alpha Communications® / S.T.R.™ model SP300-12K, or approved equal. The SP300-12K shall be built into a rugged high impact ABS plastic case, and shall be powered by the model NTR211 power supply. Contractor shall furnish the proper number of SP300-12K units, depending upon system capacity.
Low voltage wiring shall be used and positive screw terminal and plug-in connectors shall be provided for installation wiring. The SP300-12K shall be mountable right to the surface of the wall or in a customer supplied junction box cabinet.
Contractor shall observe all local and national electrical and building codes.
The Alpha Communications® / S.T.R.™ SP300-12K intelligent controller is used only with the HT3011W ReliaBUS™ series intercom and VH30-2D videointercom systems. The SP300-12K provides the intelligent 'BUS' circuitry needed to control the ReliaBUS™ system functions.
Height: 3.75" (96mm)
|Construction:||High impact Black ABS plastic case
|Connections:||Positive screw terminal and plug-in connectors
|Temperature Range:||0-50 degrees C.
|Mounting:||Surface-mounted (usually installed near the system amplifier/power supply and other system central equipment).