ABB PST210 - Page 192

Diagrams
Chapter 12
192
1SFC132003M0201
12:2 Circuit diagram
PSTB370...PSTB1050
Figure 3: Circuit diagram PSTB370...PSTB1050 (IEC version)
Terminal 3 is a function earth, it is not a protection earth. It
shall be connected to the mounting plate.
Figure 4: Circuit diagram PSTB370...1050 (UL version)
ACB
INCOMING LINES
CXFU
H1 H2 H3
H4
CHFU
CCT
CHFU
START
STOP
1111098765432
L
12
GNDN
VN
IN0
START
STOP
VP VP VC
IN1
19151413
12
16 17 18 20 23 24
K4
RELAY
K6
RELAY
K5
RELAY
PTC-1 PTC-2
21 1322 14
MTR
MTR
L1
T1 T2 T3
L3
L2
K1
K3
K2
PSTB EMERGENCY
BYPASS
K2
REMOVE
JUMPERS
CONTROL VOLTAGE
33
30
31
32
HAND
AUTO
OFF
13 14
2423
45 8910
STOP
VC VN
VP
START
OPTIONAL HOA WI RING