AB300HS5 5.0Vdc/60A 300W led display power supply

EAB300HS5 5.0Vdc/60A 300W led Power Supply Safe use instructions:

(1) Unpacking: Check whether the equipment is damaged during transportation. Retain packaging materials until all modular units of the power supply have been registered and inspected.
(2) General rules
● Air passages to modular units should not be blocked. ● The distance between any conductive part of the power supply equipment and metal parts must comply with relevant safety standards.
(3) Safety protection matters
● Once the safety protection of the equipment is damaged, the equipment must stop working and refer to the relevant maintenance regulations.
● When the power supply equipment is transferred from a cold environment to a warm environment, condensation may cause dangerous problems, so grounding requirements must be
strictly implemented. Only qualified personnel may connect the equipment to the power supply.
● After cutting off the power supply, the machine must be stopped for four minutes to allowthe capacitors to have sufficient discharge time before maintenance can be performed on the power supply equipment.