4
GMC-I Gossen-Metrawatt GmbH
2
Serial Plate – Terminals
Symbol for system t
ype (
U
1389: Y
, U1387: V
, U138
1: I)
Ty
pe des
igna
tion
No
m. v
ol
ta
g
e
Nom. cu
rre
n
t
Nom
in
al frequency
LED constant
Year of
manufactu
re
Ac
curacy c
lass
CT
: Current transforme
r tra
n
sf
orma
tion rati
o
VT
: V
oltage transforme
r tra
n
sf
orma
tion ra
tio
Serial number
Pulse outpput
(Max. current
)
External
auxil
iar
y
Ty
pe dependant
designation
Ty
pe approval
The valu
es
of CT
, VT and S
∅
o
n
the s
erial
plate can be / are cal
ibrated
Bus connection
vol
tag
e