gefran GTF Series - Page 27

27
80960G_MHW_GTF_05-2019_ENG
Connection example GTF 25-120A (3 Master) for a three-phase open delta load.
Figure 38
1
2
3
4
5
6
7 8
9
1/L1
2/T1
3/L2
PE
POTENTIOMETER
24 Vdc/ac
SUPPLY
HB OUT
ALARM SWITCH
Phase
R
Phase
S
EARTH
REGULATOR
-
+
Analog Output
0-10 V
0-5 V
1
2
3
4
5
6
7 8
9
1/L1
2/T1
3/L2
PE
Phase
T
1
2
3
4
5
6
7 8
9
1/L1
2/T1
3/L2
PE
3
2
1
FUSE
GTF
GTF
GTF
FUSE GG
- GTF 1 STATUS: MASTER
- GTF 2 STATUS: MASTER
- GTF 3 STATUS: MASTER
- FIRING MODE: ZC,BF,HSC,PA
- HB DIAGNOSTIC AVAILABLE:
total and partial load failure of each single leg
FUSE : fast fuse, see fuse table
FUSE GG : see Fuse section
R3 R2 R1
GTF 2
GTF 3
GTF 1
V
R
T
S
LOAD 1
LOAD 2
LOAD 3