Practical Control Solutions Pty Ltd

DC Solid State Relay Modules

Solid State Relay (SSR) modules are essential for reliable, high‑performance switching in industrial automation, process control, and heating applications. Practical Control supplies a comprehensive range of SSR modules from leading manufacturer Celduc Relais, known worldwide for their durability, fast switching capability, and robust design. Our Celduc solid state relays deliver efficient, silent, and maintenance‑free operation—ideal for controlling heaters, motors, lighting, and precision industrial equipment. If you’re looking for dependable industrial SSR solutions, relay modules for automation, or high‑quality Celduc SSR products, Practical Control provides the performance and support your applications demand.
For a more complete listing of Celduc three phase solid state relay modules check the Celduc catalogue

Picture of SOM DC solid state relay

Mosfet Solid State Relay Technology

Three phase contactor with DIN rail mountable heatsink from Celduc-Relais. Equipped with an LED status indicator plus RC and VDR protection on outputs.

Part No.
Switching
Current/Voltage
Control Voltage
2.5A/0-60VDC
18-32VDC
4A/0-32VDC
3-10VDC
4A/0-32VDC
7-20VDC
4A/0-32VDC
18-32VDC
2.5AA/0-60VDC
18-32VDC
2.5A/0-30VDC
12-30VDC
5A/0-30VDC
12-30VDC
STD03510
5A/0-68VDC
12-30VDC
2.5A/0-30VDC
12-30VDC/15-30VAC
5A/0-30VDC
12-20VDC
5A/0-30VDC
12-30VDC/15-30VAC
10A/7-36VDC
3-10VDC
10A/7-36VDC
7-30VDC
30A/0-200VDC
4.5-32VDC
40A/0-600VDC
4.5-32VDC
100A/0-200VDC
4.5-32VDC
150A/0-100VDC
4.5-32VDC
20A/5-40VDC
3.5-32VDC
20A/5-60VDC
3.5-32VDC
20A/5-110VDC
3.5-32VDC
40A/5-40VDC
3.5-32VDC
40A/5-60VDC
3.5-32VDC
40A/5-110VDC
3.5-32VDC
60A/5-40VDC
3.5-32VDC
0-80A/0-130VDC
Protection against line inductance
Diode + capacitor
Picture of SKD DC solid state relay

Bipolar Solid State Relay Technology

Three phase contactor with DIN rail mountable heatsink from Celduc-Relais. Equipped with a LED status indicator plus RC and VDR protection on outputs.

Part No.
Switching
Current/Voltage
Control Voltage
3A/2-60VDC
3-30VDC
1A/2-220VDC
5-30VDC
3A/2-60VDC
5-30VDC
3A/2-60VDC
3-30VDC
3A/2-60VDC
10-30V AC / DC
3A/2-60VDC
90-240V AC / DC
3A/2-60VDC
3-16VDC
3A/2-60VDC
10-32VDC
3A/2-60VDC
10-32VDC
Picture of SDI DC solid state relay

IGBT Solid State Relay Technology

Features:

Part No.
Switching
Current/Voltage
Control
25A/1700VDC
4.5-32VDC
50A/1200VDC
4.5-32VDC
100A/600VDC
4.5-32VDC
50A/24-940VDC
24-48VDC
50A/24-940VDC
72-110VDC
100A/24-940VDC
24-48VDC