Sistema de alimentación DSO-PRA - Bosch PRAESENSA

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Power supply of VAS for Bosch PRAESENSA


Pulsar company is manufacturer of RACK cabinets for Bosch PRAESENSA VAS system.
Program CONFI-DSO® PREASENSA was prepared on cooperation with Bosch’s engineers.


DSO-PRA power supply system is designed to integrate Bosch PRAESENSA Voice Alarm System devices with appropriately sized RACK 19” cabinet, battery circuit and protective module. Moreover numerous of extra functions and tools have been added to facilitate contractorʹs selection of equipment, valuation, installation and commissioning.

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Noteworthy are following:


CONFI-DSO® PRAESENSA

Available on-line 24/7 tool helping with construction and valuation of DSO-PRA power system - net valuation with granted discount or without, ability to save configuration on local disk, others.


RACK 19” cabinets

Structure of DSO-PRA system is based on RACK 19” cabinet with IP30 protection in which all system components are installed. Depending on degree of system expansion and number of devices used, size of cabinet is selected individually.


Clusters - grouping Bosch PRAESENSA devices

Devices in cabinet are grouped in clusters. Each cluster consists of MPS3-PRA power supply and its own battery, this ensuring full autonomy of powered devices. Each cluster takes 6U and, apart from the 2U power supply, there is space for: PRA-SCL controller, PRA-AD604 and PRA-AD608 amplifiers. At back of cluster is possible to install PRA-ES8P2S switch.


Optimized price

Optimized price of DSO-PRA system through use of appropriate battery selection algorithm related to number of selected devices in clusters and appropriate size of RACK cabinet.



Construction and valuation of DSO-PRA power supply system is carried out only
with use of CONFI-DSO® PRAESENSA program