The modules contain multiple sealed lead acid batteries connected via a wiring harness/fuse assembly . Depending on model, some units also include temperature sensor(s) and communication controllers .
The unit is manufactured with a formed steel frame for maximum strength and unit integrity. However, ... Do not place the equipment on its side. If the equipment has been tilted, place it upright on a flat, solid surface and keep in this position for at least 24 hours before operating.
: Assemblies are set up AB to A open at 0 VDC and will fail in last position, on loss of power ... : Assemblies are set up AB to A Open at 0 VDC and fail AB and A Open, on loss of power ... Floating is standard on the on/off actuators and allows use with three wire output controllers .