ABB Zenith ZTS T Series - Page 27

27
Automatic transfer switch, I/O contacts Cabling Rating / Remark
Generator start/stop Cable size: 



Common, voltage supply  
Generator start/stop NO 
Generator start/stop NC 
Output relay features Cable size: 


Common, voltage supply  
Programmable output
(default; Alarm/Product
available)

Fire Fighting applications Cable size: 


Only in ZTSD-types, delayed
transition, I – O – II or II – O – I
  SELV
  Transfers to O/OFF position,
locks the logic and signals alarm
Input contact features Cable size: 


Do not connect to any
power supply
Common input  
 
Programmable input
(default; Emergency stop)

Programmable input
(default; Remote test on
load)

Programmable input
(default; Remote test off
load)
 Only in ZTSD-types, delayed
transition, I – O – II or II – O – I
65
O1
C
10
11
+
-
FIRE
24V
I3
14
15
12
13
I1 I2C
1 2 3
G
~
1 COMMON
2 CLOSES TO START
3 OPENS TO START