Products Delta Programmable Power Supplies Options & Interfaces All Devices Supported by USB Charging Nov 20 2013 - 7:39am Plug-Top USB Chargers Features Large adjustment for use on both 24 VDC and 48 VDC Contains two window comparator circuits, isolated from each other Each has an isolated alarm contact Monitors the output voltages of two power supplies Between the levels of under and over voltage a green LED lights up Under and Over Voltage Alarm unit; Large adjustment for use on both 24V and 48V outputs; Contains 2 window comparator circuits, isolated from each other; Monitors the output voltages from 2 power supplies; Green LED indicates PDF Please write down your comment on this product, and click Add to Inquiry List for inquiry Add to Inquiry List Review Inquiry List Back