
116
6LE007596Ad
Connecting diagram
Connecting diagram of the HW1 drawout circuit breakers
Terminal
blocks
Terminations
COM
Communication module
ESP
External sensors
TU
External power supply for the trip unit
ZSI
Zone selectivity function
OAC
Output Alarm Contacts
FS
Fault trip contact
RTC/FS2
Contact ready to close or 2nd electrical fault trip contact
UV/SH2
UV undervoltage coil or 2nd SH shunt trip coil
SH/UV2
SH shunt trip coil or 2nd UV undervoltage coil
MO
MO charging motor and SC spring-loaded signal contact
CC
Closing coil CC
AX
Auxiliary contact - maximum 4 contacts signalling the circuit breaker open/closed status (4
contacts by default)
PS
Position contacts - Up to 5 contacts indicating the position of the circuit breaker in the
chassis.
12/vN
Neutral potential ENVA
The cables (flexible or rigid) used must have a cross section between 0.6 mm² and 2.5 mm².
In order to be properly held in place in the terminals, the connected cables must first be
stripped form 10 to 12 mm.
The cables must not be twisted and only one cable is authorised per terminal.
FS
OAC
ZSI
TU
ESP
24V-
STD2 GF2 Cmn2
24V+
GF1 Cmn1
MO
(-)
(+)
STD1
RR/DI- RR/DI+
F11
F14
DO1 DO2 DO3 DO4 DO5 DOC
R1
R2 R4
UV
D12
M1
M2 M4
AX
PS
RTC /
FS2
31
11
14
21
22 24 32 34
41
42 44
T11
D11
D12 D14
D21
C11
C21
D12
D22 D24 T12 T14 C12 C14 C22 C24
MO
CC
UV /
SH2
SH /
UV2
4
th
S1 4
th
S2
A2
C12
(-)
C11
(-)
D11
(-)
A1
SC
(+)
C13
A3
(+)
(+)
SH
CC
N L1 L2 L3
CTs
RJ45
RJ45
COM
ST
D/
IN
ST/
MCR
DOC
PT
A
HW
F
GF
LT
D
F12
12/vN
Remote control
External
neutral
sensor
(3
poles)
24V DC
external power
supply
Modbus
Downstream circuit
breaker
Upstream circuit
breaker
Circuit breaker
HW1
Trip unit
Internal
neutral
sensor
(4
poles)
Electrical trip fault