Electrical Connection - ABB Comem OLI Instruction Manual

TRANSFORMER COMPONENTS
—

5. Electrical connection

QUALIFIED AND SKILLED PERSONNEL TRAINED
IN THE APPLICABLE HEALTH AND SAFETY
REGULATIONS OF THE RELEVANT COUNTRY
SHOULD ONLY PERFORM ELECTRICAL
CONNECTIONS.
DANGEROUS ELECTRICAL VOLTAGES!
IT IS IMPERATIVE TO DEACTIVATE THE POWER
SUPPLY DURING WIRING OF THE DEVICE.
THE EDEVICE MUST BE POWERED BY A POWER
SUPPLY PROTECTED FROM OVERLOAD
(IMAX<340 MA)
Figure 21
CAUTION
WARNING
WARNING
A
WARNING
PROVIDE TO THE EDEVICE A POWER SUPPLY
DISCONNECTION THROUGH AN EXTERNAL
SWITCH (IF THE DEVICE IS INSTALLED IN A
FIXED POSITION).
CAUTION
DURING THE TERMINAL BOX ASSEMBLY, USE
CAUTION NOT TO DAMAGE THE OR GASKET
(FIG.15/A). IF THIS OCCURS, IT MUST BE
SUBSTITUTED.
IF YOU DO NOT USE ALL THE CABLE GLANDS,
PAY ATTENTION TO CLOSE THE FREE CABLE
GLAND WITH A PLUG WITH GASKET.
Remove the cover from the terminal box unscrewing
the 4 captive screws M4 (Fig.21/C). Insert the wires
through the cable gland (Fig.21/B) and wiring them
following the electrical scheme (Fig.22-23).
B
17
C