The Dual Battery System is intended for automatic turning ON/OFF of the additional battery to the car electrical system. Due to independent operation of the batteries the additional battery may be used for additional devices charging, such as: radio, freeze, lighting, winch, etc. This prevents the main battery from discharging and provides safe engine start.
URA 400 is a powerful bistable relay with control unit.
Control unit indicates batteries voltage level and controls relay operation.
Manual adjustment is available for: relay threshold level installation, choice of indication mode, choice of operation mode.
The additional battery is turned ON/OFF automatically according to diagram (pict.2) depending on the settings (Uon>Uoff or Uon<Uoff).
For manual turning ON press “On” button. Manual turning ON may be useful for connection of powerful devices (such as winches, additional lighting, etc.) or for the engine start at cold weather.
Application is universal for 12V cars and ships.
The set includes: control unit and bistable relay together with insulation units, connective cables and fuse holders with 2A fuse.
Dual Battery System (URA)
Dual Battery Systems (URA) are intended for automatic ON/OFF of the reserve battery and decoupling of the main and reserve batteries. They provide autonomous operation of the batteries. This allows to use one of the batteries when the engine is not operating for additional devices feeding (music, chiller, etc.) This prevents the main battery from discharging. Dual Battery Systems can be used on the cars and 12V ships and boats.
URA 200 and URA 300-01 are power relays with integrated microcontroller.The reserve battery is switched ON/OFF automatically as soon as the main battery voltage reaches ≥13,2В and ≤12,8В correspondently and holds it within 6 seconds. Forced ON switching of the reserve battery is possible by usage of “start” clamp.
In higher humidity conditions it is recommended to use URA 200 and URA 300-01. One should make outline cover waterproof protection first. URA 300-01 includes counterpart slot with 1 meter length cable.
URA 400 is a high capacity bistable relay connected to the control unit. Control unit indicates batteries voltage level and controls relay operation.
Manual installation of switching levels and indication mode of the reserve battery operation are possible in URA 400.
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