0℃~1300℃ Digital PID Temperature Thermostat REX-C100 SSR Output +K Thermocouple. Output Current: 40A. Max.40A SSR. 1 x Max.40A SSR. Note: This K type probe sensor in this set is only 400℃; you will need to install a 1300℃ probe sensor(not included) to reach 1300℃.