Contactors – 3RT2 Range The 3RT2 contactors are climate-proof and are suitable and tested for use worldwide, sizes S00 to S2, up to 37 kW Size S00, up to 7.5 kW Size S0, up to 18.5 kW Size S2, up to 37 kW Screw connection / Spring Clamp Impulse voltage resistance 6 kV Insulation voltage 690 V Real loss power only 4 W Designation K according to DIN 40719 (extendable to IEC 204-2) & IEC 750; Q according to DIN EN 61346-2 Note Screw terminals can only be used with screw terminal overloads and spring terminals can only be used with spring terminal overloads. Approvals CE, UL, CSA, CCC Siemens Sirius Range Contactor & Control Relays Siemens control gear for feeders up to 5.5kW. The complementary nature of the devices allows fast and simple assembly, for example, of motor starters and reversers. A perfect match between contactors, overloads, circuit breakers and accessories for the same power ratings provides a uniform panel appearance and the standard widths with no side-by-side mounting derating allows for space saving.