Specifications – Rockwell Automation T3408 ICS Regent DC Digital Input Modules User Manual
Page 15
 
(T3401, 02, and 08) DC Digital Input Modules
 
P D - 6 0 1 1 M a r - 0 6  
15
Specifications
Safetybus Power
1.15 load units
Number of Inputs
16 circuits divided into two 
groups of eight 
T3401
T3402
T3408
Voltage Range
14 to 30 VDC
38 to 58 VDC
95 to 150 VDC
Turn-On Voltage
12 VDC, min
36 VDC, min
88 VDC, min
Turn-Off Voltage
4.7 VDC, max
11 VDC, max
28 VDC, max
Input Current
8.7 mA
4.4 mA
4.4 mA
Turn-On Delay
minimum
maximum
0.2 msec
1.8 msec
0.1 msec
1.0 msec
0.05 msec
0.4 msec
Turn-Off Delay
minimum
maximum
0.5 msec
2.6 msec
0.15 msec
1.0 msec
0.05 msec
0.5 msec
Over Voltage 
Protection 
continuous:
burst:
50 VAC
80 VAC, for 
5 sec 
140 VAC
220 VAC, for 5 
sec 
400 VAC
880 VAC, for 
5 sec 
Heat 
Dissipation 
10 Watts,
34 BTUs/hour
9.5 Watts,
32 BTUs/hour
18 Watts,
60 BTUs/hour
Fusing
None, fuse external if 
required 
Isolation
2500 volts minimum (field 
wiring to control logic) 
2500 volts minimum (input 
group 1-8 to input group 
9-16) 
Operating Temperature
0
°
to 60
°
C
(32
°
to 140
°
F)
Storage Temperature
-40
°
to 85
°
C
(-40
°
to 185
°
F)