Chapter 7 Hardware Specification    193 
12V DC model Specifications 
 
content 
SG2-12HR-12D  SG2-20HR-12D 
Voltage Rating  DC 12 V  DC 12 V 
operation Power 
range 
DC 10.4~14.4 V  DC 10.4~14.4 V 
instantaneous 
power down time 
allowable 
10 ms / 10 times (IEC 61131-2)  1ms/ 10 times (IEC 61131-2) 
fuse  Need connect a fuse or breaker of 
Current 1A 
Need connect a fuse or breaker of 
current 1A 
Isolation  None  None 
DC 12V  DC 14.4V  DC 12V  DC 14.4V 
All inputs and 
relays are ON 
195mA 
All inputs and 
relays are ON 
195mA 
All inputs and 
relays are ON 
265mA 
All inputs and 
relays are ON 
265mA 
Current 
average 
All inputs and 
Relays are OFF 
160mA 
All inputs and 
Relays are OFF
160mA 
All inputs and 
Relays are OFF
200mA 
All inputs and 
Relays are OFF 
200mA 
Consume power  2.5W  3.5 W 
 
24V AC model Specifications 
 
content 
SG2-12HR-24A 
SG2-12KR-24A 
SG2-20HR-24A 
SG2-20KR-24A 
Voltage Rating  AC 24V  AC 24V 
operation Power 
range 
20.4~28.8V AC  20.4~28.8V AC 
instantaneous 
power down 
time allowable 
10 ms(half cycle) / 20 times  10 ms(half cycle) / 20 times 
fuse  Need connect a fuse or breaker of 
Current 1A 
Need connect a fuse or breaker of 
current 1A 
Isolation  None  None 
AC 24V  AC 28.8V  AC 24V  AC 28.8V 
All inputs and 
relays are ON 
270mA 
All inputs and 
relays are ON 
250mA 
All inputs and 
relays are ON 
290mA 
All inputs and 
relays are ON 
260mA 
Current average   
All inputs and 
Relays are OFF 
160mA 
All inputs and 
Relays are OFF
160mA 
All inputs and 
Relays are OFF
200mA 
All inputs and 
Relays are OFF 
200mA 
Consume power  6.5W  7 W 
 
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