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. Insu