Schaffner ECOsine, Maintenance Manual

Page: 14 / 66

14 ECOsine
®
active Harmonic Filters
– Maintenance Manual for FN3420-200-690-3
2.4 Type code
The type designations of all ECOsine
®
active have the following structure:
FN34TT-AAA-VVV-W-CC
Variable Description
TT Type:
20
– 3-wire device
30
– 4-wire device
AAA Rated current
VVV Rated voltage
W Number of compensated conductors
CC Certificates and variants (optional)
Table 2: Type code