22.5 VDC adjustable response value voltage for buffer connection preset|22 to 25.5 VDC adjustable in 0.5 VDC increments adjustable response value voltage for buffer connection|1/2 A charging current|1 sec on-delay time typical|360 ms voltage increase time of the output voltage typical|42 A peak current|960 W supplied active power typical|97.2% at rated output current typical, 96.9% in case of accumulator operation typical efficiency|28.6 W rated output current typical, 33.6 W in case of accumulator operation typical power loss|Reverse polarity protection against energy storage unit polarity reversal|Reverse polarity protection against input voltage polarity reversal|Screw terminal connection|IP20 degree of protection|-25 to 60 deg C with natural convection temperature|-45 to 85 deg C during storage/transport