ABB PST30 Installation And Commissioning Manual page 192

Chapter 12
Diagrams
Figure 3: Circuit diagram PSTB370...PSTB1050 (IEC version)
OPTIONAL HOA WI RING
OFF
HAND
AUTO
23 24
13 14
4 5 8
PSTB EMERGENCY
CONTROL VOLTA GE
Figure 4: Circuit diagram PSTB370...1050 (UL version)
192
12:2 Circuit diagram
9 10
1 2
L N GND
12
BYPASS
RELAY
REMOVE
JUMPERS
12 13
30 31 32 33
K2
PSTB370...PSTB1050
Terminal 3 is a function earth, it is not a protection earth. It
shall be connected to the mounting plate.
CHFU CHFU
H1 H2 H3
H4
CCT
CXFU
START
STOP
21 22 13 14
3 4 5 6 7 8 9 10 1 1
K4 K5 K6
RELAY RELAY
14 15 16 17 18 19 20 23 24
MTR
INCOMING LINES
A B C
L1 L2
L3
K1 K2 K3
T1 T2 T3
MTR
1SFC132003M0201