1. Voltage regulator and battery charger SIP-500(6+6)
2. Voltage converter and regulator PIS-500(6+6)
3. Voltage converter and regulator BN-24/12-10
4. Portable transceivers' battery chargers
• • • SIP-500(6+6) SERIES
This series of regulated power supplies is primary designed for supplying of MRS-500 series transceivers that are used in Fixed and Base station configurations. Electrical characteristics and dimensions are in accordance with those types of transceivers, and their operating modes in specific configurations. Additional connector (on the rear side) is provided for supplying of other transceivers, whose power consumption doesn't exceed maximum output current of the regulator.
SIP-500(6+6) comprises two independent low-voltage DC current sources: Voltage regulator and Battery charger (for "lead-acid" batteries), with negative pole on the chassis potential. Built-in loudspeaker and microphone connector are provided to simplify Fixed station configuration.
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Main features:
• DC voltage regulator (+13,5V/6A)
• Battery charger (6A)
• Automatic changeover to supply from the battery
• Multiple protection
• Visual and audio signalizations
• Built-in loudspeaker and microphone connector
SIP-500(6+6) series- Data sheet (245K) 
• • • PIS-500(6+6)
Voltage converter and regulator PIS-500(6+6) is primary designed for supplying of ship-borne transceivers, from mains network 220V/50Hz as well as 24V DC installation. Battery installation on the ships is always realized with "floating" polarity in respect to craft's metal chassis, or with positive pole on the chassis potential. Converter's output is electrically isolated from the input, which simplifies installation of the transceiver and the antenna - without any need for additional isolation from the craft's chassis.
In case of mains power outage, automatic changeover to supply from 24V battery is performed and the device continues with normal operation. Built-in loudspeaker and microphone connector simplify forming of standard ship-borne station.
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Main features:
• DC voltage regulator (+13,5V/6A)
• Simple connection to watercraft's power installation
• Automatic changeover to supply from the battery
• Multiple protection
• Visual and audio signalizations
• Built-in loudspeaker and microphone connector
• • • BN-24/12-10
Voltage converter BN-24/12-10 is designed to be used in vehicles with 24V DC installation, implying negative pole on the chassis potential. The device converts 24V input voltage to nominal 12V (i.e. 13,5V) output voltage, which is suitable to supply standard transceivers. Using BN-24/12-10, transceiver's characteristics remain nearly constant over wide input voltage range. Besides, the device provides protection of internal circuits from transient overvoltages, usually encountered in such an installations.
Reliability of this power supply unit is proved through successful exploitation in ASU-2000 - Automated System for Urban public transport control.
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Main features:
• DC voltage regulator (+13,5V/10A)
• Robust construction for severe exploitation conditions
• Wide input voltage range
• High utilization factor
• Efficient overvoltage protection
• • • PORTABLE TRANSCEIVERS' BATTERY CHARGERS
Single (JPB-600) and Multiple (GPB-600) battery chargers are designed for various battery packages used with PRS-600 portable transceivers. Chargers' performances correspond to specifications of 500¸1800mAh NiCd batteries.
Single battery charger JPB-600 operates in standard and fast (charging time of approximately 1 hour) charging modes. Battery installation is simple and easy. Clear visual indications of the charger's mode and battery repletion make the manipulation very easy. After completion of the charging process the device proceeds to "trickle-charging" mode, which precludes battery self-discharging.
Multiple battery charger GPB-600 provides charging of up to six batteries simultaneously, still maintaining excellent performances of single charger JPB-600.
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Osnovne karakteristike:
• Standard and fast charging mode
• Clear visual indications
• Very simple manipulation
• Protection of self-discharging
• Simultaneous charging of up to six batteries (GPB-600 version)