Storage temperature:-4 F~+140 F. Operating temperature-14 and+86 F. Each channel is protected with 1.1 Amp to 3 Amp, PTC resettable fuse. Please referral your model number for fuse rating. Operation temperature:-14~+86° F. repack the unit and return it to the place of purchase. Make sure power switch(I/O)is set to“OFF” . Screw the rack ear on the power supply Srew the power supply with rack ear on the racks. Connect each camera device to one“ + ” / “ - ”power output pair. Connect AC power to the inlet. The green LEDs should light up when the power switch (I/O)set to “ON” . To avoid the risk of fire, use only type SPT-2 cord or heavier duty cord.No. 18AWG copper at the minimum. Use wire suitable for at least 194 F. Inspect the power supply for damage that may have occurred during shipping.If any damage is discovered.rack mount surge protector,12v 20a Power Supply 12 Volt Power Supply 20 Amp Cctv Power Supply 18 Channel Power Distribution Box Pc Power Supply Power Supply Lock Server Rack Surge Protector Storage 1U Pdu Rack Mount Power Strips Power Conditioner

Exquisite and beautiful metal shell design, designed with LED display and LED lights. Comes with a terminal plug, which can be directly connected and plugged. Overvoltage Protection : The voltage is too high,Short condition occurs, over current occurs, The surge protection will turn on to protect the connected equipment. Safety Protection : each output has independent PTC fuse and LED indicator, Lightning Protection,when problem occurs, only affect the independent output, other outputs still working. DC Output : DC 12V; Supply Current: 20Amp; 1-16th ports fused at 3A,17 and 18 th port fused at 5A; DC12V Regulator CCTV Power Supply Box, 18 Outputs with PTC Fuse. AC Input : AC 100 - 240V,The green LEDs should light up when the power switch (I/O)set to “ON” .