Three-phase contactor / solid-state
24 - 520 VAC, max. 5 - 50 A | SIT series celduc relais


  • Electrical characteristics:


  • Technology:



The Three phase ZeroCross Solid State Contactor is specially developed for all kinds of loads.
It has a latest High Efficiency Back to back thyristors on output with TMS2 technology for a long service time of 24 to 520VAC 50A I2t > 1500A2s.
The control range ranges from 8,5-30VDC or 10-30VAC.
A Green LED visualization is available on the input.
It has a high immunity and the output voltage is protect by RC and VDR.
It is made available with integrated heatsink for DIN rail mounting and has a IP20 protection cover.
It has been designed according to the EN60947-4-3 (IEC947-4-3) and EN60950/VDE0805 (Reinforced Insulation) -UL-cUL.


Other celduc relais products

Three phase solid state relay

Single phase solid state relay

Two phase solid state relay

DC Solid state relays (SSR)

Motor control

Four leg

Safety sensors

Presence, position



Reed relays and switches