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PG-40S West Mountain 12V Backup Power System.
* UPS type 12V DC Backup Power System * Connects to 12V mains PSU, 12V battery & equipment * Electrically separate * Automatically switches to battery if mains fails * Four-state safe battery charger * Also suitable for AGM type sealed batteries * Four rubber feet supplied * Mounting holes for fixing to wall * Max voltage: 18V DC * Max current: 40A * Diodes: two Schottky 80A 20V diodes * Voltage drop: 0.25V DC quiescent, 0.50V @ 40A * Charging circuit: regulator IC, FE Pass transistor * Connectors: Anderson Powerpoles (not supplied) * Size: 134 x 99 x 42mm * Weight: 400g
The PWRgate PG40S is effectively part of a 12V DC UPS backup power system that can supply up to 40A continuously from either a 12V mains power supply or a car battery to a load. When connected to a battery and mains power supply it electrically isolates both the battery and the supply from each other and charges the battery with a high-current four-state safe battery charger. It means that the 12V DC mains PSU will supply the station or the rig (depending on how it is connected) until there is a mains failure, and then the PG40S will automatically switch the load over to the 12V car battery. When the mains supply is restored the rig or station will then run off the 12V DC mains PSU and the PG40S will intelligently charge the battery at a trickle, bulk charge, peak voltage or float charge rate depending on state of battery.
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