Connection
4.1 Safety instructions
40
PAC3120 and PAC3220
Equipment Manual, 10/2019, L1V30425208F-01
Hazardous voltage
May cause death, serious personal injury, or equipment damage.
• Always open or disconnect circuit from power-distribution system (or server) of building
before installing or servicing current transformers.
• The current transformers my not be installed in equipment where they exceed 75
percent of the wiring space of any cross-sectional area within the equipment.
• Restrict installation of current transformers in an area where it would block ventilation
openings.
• Restrict installation of current transformers in an area of breaker arc venting.
• Not suitable for Class 2 wiring methods and not intended for connection to Class
2
equ
ipment.
• Secure current transformers and route conductors so that they do not directly contact
live terminals or bus.
Hazardous voltage.
May cause death, serious personal injury, or equipment damage.
Never insert wires or metal pins into the contact openings of the module interface below the
labels "MOD1" and "MOD2", as otherwise hazardous voltages may cause serious personal
injury or death. Furthermore, inserting metal pins or wires into the contact openings can
cause the device to fail.
Property damage due to contamination
Avoid contamination of the contact areas below the labels "MOD1" and "MOD2", otherwise
the expansion modules cannot be inserted and may even sustain damage.
Incorrect line voltage may damage the device.
Before connecting the device, make sure that the line voltage matches the specifications on
the rating plate.
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