The 3RT contactors are suitable for use in any climate. They are safe from touch to DIN VDE 0106 Part 100. The 3RT contactors are available screw, spring-type, or ring lug connections. An auxiliary contact is integrated in the basic unit of size S00 contactors. The basic units of sizes S0 to S3 only contain the main conducting paths. All the basic units can be extended with auxiliary switch blocks. Cabinet units with 2NO+2NC (terminal designations acc. to EN 50 012) are available as of size S0, the auxiliary switch block is removable. The size S3 contactors have removable box terminals for the main conductor connections. Ring cable lugs or bars can thus also be connected. Siemens Power Contactor, Series: 3RT2, 230 VAC Coil, 12 A Maximum Load Current, 37/33 VA Pickup, 5.7/4.4 VA Holding Coil, 3 Pole, 50/60 Hz Frequency, 5.5 kW Wattage, 1NC Contact Configuration, Power Factor: 0.8/0.75 Closing, 0.25 Holding, S00 Size, Spring Terminal, IP20 Enclosure, 30000000 Cycles Operating Cycles, -25 to 60 °C Operating, Surface/Threaded/DIN Rail/Snap-On Mounting, 45 mm W x 73 mm D x 70 mm H Dimensions