LIND DC Power Adapters Operating Instructions Manual page 115

Vehicle Battery Protection Unit
The Shut Down Timer protects your vehicle battery from over discharge, and protects
communications and other sensitive equipment from low voltage and high voltage
damage. This device turns OFF electrical loads a preset time after the car engine is
shut down. The timer starts when the ignition is turned OFF.
Specifications are in parenthesis for (24 VDC input systems)
• Adj. shut down delay time: (0 sec. to 4 hrs), (5 sec. to 2 hrs),
(12 min. to 18 hrs) depending on SDT model selected.
• Low voltage shutdown at 10.5 (21) VDC
• High voltage shut down at 18 (36) VDC with auto reset.
• Loads up to 30 (20) amps at 12 (24) VDC.
Two output connections (optionally fused at 15 amps each).
• Reverse polarity protected.
• Automatic activation by sensing the battery voltage. (battery not charging = timer ON).
• Optional activation by ignition switch connection. (ignition OFF = timer ON).
• Optional alarm output if ignition option is not used. Consult Lind for alarm options.
• LED indicators for ON, OFF and Timing.
• Speed-up time test switch (set delay divided by 100).
• Override switch for 12 minute emergency operation after time out or failure of the engine to start.
• Protected against automotive load dump.
• Operating temperature -50˚ to 75˚ C.
Lind Shut Down Timer
Specifications are listed for 12 VDC input systems