Components for switching to backup power
Components for
automatic Full
Backup backup
power
changeover
Device name
Current trans-
former Item number
Fronius Smart Meter 63A-1 43,0001,1477
Fronius Smart Meter 50kA-3
43,0001,1478
Fronius Smart Meter TS 100A-1 43,0001,0045
Fronius Smart Meter TS 5kA-3
43,0001,0046
Fronius Smart Meter 240 V-3 UL
43,0001,3529
Grid and system protection unit (fuse protection: 1-pin, 6 A)Other manufactur-
ers and types are permissible if they are technically and functionally 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 - installation contactor with auxiliary contact
Number of pins 1-pin or 2-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 manufactur-
ers and types are permissible if they are technically and functionally identical to
the examples below:
-
BKE JS-20-240/DIN_BUF
177