Components for switching to backup power
Components for
automatic Full
Backup backup
power
changeover
Device name
Current con-
verter Item number
Fronius Smart Meter 63A-3 43,0001,1473
Fronius Smart Meter 50kA-3
43,0001,1478
Fronius Smart Meter TS 65A-3 43,0001,0044
Fronius Smart Meter TS 5kA-3
43,0001,0046
Fronius Smart Meter WR
43,0001,3591
Grid and system protection unit (fuse protection: 3-pin, 6 A)
Other manufacturers and types are permissible if they are technically and func-
tionally identical to the examples below:
-
VMD460-NA-D-2 (Bender GmbH & Co. KG)
-
RE-NA003-M64 (Tele Haase Steuergeräte Ges.m.b.H.)
K1 and K2 - AC installation contactor with auxiliary contact
Number of pins 3-pin or 4-pin
(depending on the cabling variant)
Rated current depends on house connection
Coil voltage 230 V
AC
Rated frequency 50/60 Hz
Coil fuse 6 A
Min. short circuit cur-
rent
3 kA (make contacts)
Test standard IEC 60947-4-1
Auxiliary contact
Number of NC con-
tacts
1
Switching voltage 12-230 V @ 50/60 Hz
Min. nominal current 1 A
Min. short circuit cur-
rent
1 kA
Examples of contact-
ors and relays
ISKRA IK63-40 / Schrack BZ326461
Buffer power supply for Fault Ride Through cabling variant.
Other manufacturers and types are permissible if they are technically and func-
tionally identical to the examples below:
-
BKE JS-20-240/DIN_BUF
165
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