Relay or contactor requirment for charger

[Rajnaveen]

Hi friends;

I have requirment of switch like Relay or contactor for following specification
Operating Volt =12V DC
Continuous Current = 70A DC
Voltage =170V DC
What should be the best option for this spec ? and please suggest me the part number of that component .

 

[nandhu015]

You can use SSR (Solid state relay) which will be cheaper than the others.