16 WAGO Operating Instructions 4PU/4PS/2PU CT
5 Installation
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Switch off all supply sources of the energy meter and the devices connected to it and secure them against being
switched on again before working on the system.
•
Check the voltage with a meter to ensure the system is de-energized.
•
Installation must only be carried out by qualified personnel who are familiar with the applicable rules and
regulations.
•
Use insulated tools to install the device.
•
A fuse, thermal isolator or single pole circuit breaker should be placed on the supply line and not on the neutral
line.
•
The connection cable connecting the equipment to the external circuit should be rated for the maximum current of
the fuse or other overcurrent protection device used in the circuit in accordance with local regulations.
•
An external fuse or circuit breaker should be installed on the supply lines to isolate the meter and power supply
devices. It is recommended to place this fuse or circuit breaker near the meter as it is more convenient for the
operator. Both the fuse and circuit breaker must meet the specifications of the building's electrical design and all
local codes.
•
An external fuse or thermal shutdown used as an overcurrent protection device for the meter must be installed on
the supply-side wiring. It is recommended to place this protection also near the meter to facilitate the work of the
operator. The circuit breaker must conform to the specifications of the building's electrical design and all local
codes.
•
To prevent tampering, an enclosure may be protected with a lock or similar device. Furthermore, the cover caps of
the terminal points can be sealed using seals.
•
The meter must be installed on a fireproof wall.
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The meter must be installed in a well-ventilated and dry place.
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The meter must be installed in a protective box if the meter is exposed to dust or other contaminants.
•
The meter has been developed for mounting on DIN rails in accordance with EN 60715.
•
If the meter is installed in an area with frequent overvoltages, e.g., due to thunderstorms, welding machines,
inverters, etc., the meter must be protected by a surge protection device.
•
The device should be sealed immediately after installation to prevent tampering.
Summary of Contents for 879-3000 4PU
Page 7: ...WAGO Operating Instructions 4PU 4PS 2PU CT 7 3 2 CE Declaration of Conformity 4PU und 4PS...
Page 8: ...8 WAGO Operating Instructions 4PU 4PS 2PU CT 3 3 MID Declaration of Conformity 2PU CT...
Page 9: ...WAGO Operating Instructions 4PU 4PS 2PU CT 9 3 4 CE Declaration of Conformity 2PU CT...
Page 18: ...18 WAGO Operating Instructions 4PU 4PS 2PU CT 6 4 Process Diagram 4PU 4PS 2PU CT...
