27
Automatic transfer switch, I/O contacts
Cabling
Rating / Remark
Generator start/stop Cable size:
0.5…2.5 mm
2
24...14(12) AWG
Stripping length; 6,5 mm, 0,255"
Common, voltage supply
1 5 A@250 Vac (AC-1), 5 A@30 Vdc
Generator start/stop NO
2
Generator start/stop NC
3
Output relay features Cable size:
0.5…2.5 mm
2
24...14(12) AWG
Common, voltage supply
5 5 A@250 Vac (AC-1), 5 A@30 Vdc
Programmable output
(default; Alarm/Product
available)
6
Fire Fighting applications Cable size:
0.5…2.5 mm
2
24...14(12) AWG
Only in ZTSD-types, delayed
transition, I – O – II or II – O – I
Fire fighting input 24 Vdc (+)
10
SELV
Fire fighting input 24 Vdc (-)
11
Transfers to O/OFF position,
locks the logic and signals alarm
Input contact features Cable size:
0.5…2.5 mm
2
24...14(12) AWG
Do not connect to any
power supply
Common input
12
24 Vdc 5 mA
Level 4
Level 4 = HMI with touch screen
Programmable input
(default; Emergency stop)
13
Programmable input
(default; Remote test on
load)
14
Programmable input
(default; Remote test off
load)
15
Only in ZTSD-types, delayed
transition, I – O – II or II – O – I
6
5
O1
C
10 11
+
-
FIRE
24V
I3
14 15
12 13
I1
I2
C
1
2
3
G
~
1 COMMON
2 CLOSES TO START
3 OPENS TO START
