For use with external battery
The PS713 is a simple portable power supply interface which serves as the system master in mobile situations. It interfaces to an external DC supply in the range 12 to 30 volts (max) and contains a circuit breaker of 1 amp rating. The unit provides one comms circuit with three sockets. These are connected to Tecpro outstations in the normal way. It will provide power to up to 24 headset stations or a mixture of headset and loudspeaker stations. The unit is fitted with 4 mm banana/screw terminals for external DC connection.
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