QWIKBUS INTELLIGENT CONTROLLER

1 REQUIRED FOR 40 AUDIO UNITS. REQUIRES SNT333 POWER SUPPLY FOR 2-WIRE QWIKBUS SYSTEMS

Model #: SP333
Spec Sheet Preview: The Alpha Communications® / S.T.R.™ SP333  intelligent controller is used only with the QwikBUS™ series intercom and/or video-intercom systems. The SP333 provides the intelligent 'BUS' c ircuitry 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 …
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Note(s)

NOTES: IT POWERS FROM THE SNT333 POWER SUPPLY, AND REQUIRES THE C333-2 CONNECTOR CABLE.
Outside Dimensions:
4.125"W x 3.75"H x 2.375"D
(105mm W x 95mm H x 60mm D)

System-Specific Information

AlphaECall™ 200 Series Non-Voice Emergency-Call System - NON U.L.

See System Installation Manual: AWD235 for more complete wiring information.

QwikBUS™ 2-Wire LOOP Multi-Unit COLOR Video-Intercom System

From monitor to monitor, and to system power supply unit(s), run 2 common wires (looped). Wire gauge and specs. Will depend on the length of the cable run and the number of monitors on the cable run. See QwikBUS™ system wiring manual for more information.

QwikBUS™ 2-Wire LOOP Multi-Unit Entry Intercom System

From monitor to monitor, and to system power supply unit(s), run 2 common wires (looped). Wire gauge and specs. Will depend on the length of the cable run and the number of monitors on the cable run. See QwikBUS™ system wiring manual AWD121 for more information.

Additional Images

Inside View
Top View
Side View

Architects & Engineer's Specs

The intelligent controller(s) shall be Alpha Communications® / S.T.R.™ QwikBUS™ model SP333, or approved equal. The SP333 shall be built into a rugged high impact ABS plastic case, and shall be powered by the model SNT333 power supply, with C333-2 connecting cable. Contractor shall furnish the proper number of SP333 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 SP333 shall be mountable right to the surface of the wall or in a customer supplied junction box cabinet.

The SP333 intelligent controllers are also designed to be used in conjunction with the MXAV333 audio/video mixers, or the older model MXA333 (audio) and MXV333 (video) mixers. 

Contractor shall observe all local and national electrical and building codes.

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