3RT2036-3NB30 Description Description 3RT2036-3NB30 SIEMENS Contactors – Spring S2 (18.5kW to 37kW) 3RT2 Contactor, S2, 22KW 1NO+1NC 20-33VAC/DC, Spring Related products SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1FK7011-5AK71-1TG3 SIEMENS 1FK6060-6AF71-1TG0 SIEMENS 1FN3050-4SA00-0AA0 SIEMENS 1FT5066-0AC01-2-Z SIEMENS 1FK7042-5AF71-1EA0