The TM3DM8R is a discrete I/O module from Schneider Electric, designed for industrial automation with 4 inputs and 4 relay outputs.
Product ModelTM3DM8R
Product ID34425
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureCertified for industrial use with CE, CULus, and C-Tick certifications.
2
Compact dimensions27.4mm x 84.6mm x 90mm.
3
FeatureIdeal for applications requiring 4 inputs and 4 relay outputs.
4
FeatureWeighs only 0.120kg for easy installation.
5
FeatureMeets EN/IEC 61131 standards for reliability and performance.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Range of Product
Modicon TM3
Product or Component Type
Discrete I/O module
Range Compatibility
Modicon M241Modicon M251Modicon M221Modicon M262
Discrete input number
4 input IEC 61131-2 Type 1
Discrete input logic
Sink or source (positive/negative)
Discrete input voltage
24 V
Discrete input current
7 mA input
Discrete output type
Relay normally open
Discrete output number
4
Discrete output logic
Positive or negative
Discrete output voltage
24 V DC relay output240 V AC relay output
Discrete output current
2000 mA relay output
Discrete I/O number
8
Current consumption
5 mA 5 V DC via bus connector at state off)0 mA 24 V DC via bus connector at state on)0 mA 24 V DC via bus connector at state off)25 mA 5 V DC via bus connector at state on)
Discrete input voltage type
DC
Voltage state 1 guaranteed
15...28.8 V input
Current state 1 guaranteed
>= 2.5 mA input)
Voltage state 0 guaranteed
0...5 V input
Current state 0 guaranteed
<= 1 mA input)
Input impedance
3.4 kOhm
Response time
4 ms (turn-on)4 ms (turn-off)
Maximum current per output common
7 A
Mechanical durability
20000000 cycles
Minimum load
10 mA 5 V DC relay output
Local signalling
for I/O state 1 LED per channel (green)
Electrical connection
11 x 2.5 mm² removable screw terminal block pitch 5.08 mm for inputs and outputs
Maximum cable distance between devices
Unshielded cable <98.4 ft (30 m) regular input
Insulation
Between input and internal logic 500 V ACNon-insulated between inputsBetween input groups and output groups 1500 V ACBetween open contact 750 V ACBetween output and internal logic 500 V ACNon-insulated between outputs
marking
CE
Mounting support
Top hat type TH35-15 rail IEC 60715Top hat type TH35-7.5 rail IEC 60715 plate or panel with fixing kit
Height
3.5 in (90 mm)
Depth
3.3 in (84.6 mm)
Width
1.08 in (27.4 mm)
Net Weight
2.09 lb(US) (0.95 kg)
Standards
IEC 61131-2
Product Certifications
cULusCEUKCARCMEACcULus HazLoc
Resistance to electrostatic discharge
8 kV in air IEC 61000-4-24 kV on contact IEC 61000-4-2
