Connection
4.1 Safety instructions
PAC1020
26 Equipment Manual, 05/2020, L1V30610008B-01
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
equipment.
• Secure current transformers and route conductors so that they do not directly contact
Incorrect line voltage may damage the device.
Before connecting the device, make sure that the line voltage matches the specifications on
Take the maximum possible ambient temperature into account when selecting the
connecting cables.
The cables must be suitable for operation in a temperature that is 20 °C higher than the
maximum ambient temperature.
The direct connection of the current measuring inputs to the low-voltage system can
cause irreparable damage to the device.
The device is designed for connection to the low-voltage system via external current
transformers. Only connect the current measuring inputs to the low-voltage system via
suitable current transformers.
Device can be irreparably damaged
When performing an insulation test of the entire installation with AC or DC, the device
should be disconnected before starting the test.
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