2900574 ELR H5-I-SC- 24DC/500AC-2 Motor Starter 1 kW. The Phoenix Contact ATEX approved, ELR series of Contactron 3 in 1 hybrid motor starters.The forward running motor starters are designed for DIN Rail mounting and for starting 3 phase motors up to 500 V ac where adjustable overload shutdown and emergency stop function is to safety integrity level 3 (SIL 3) and performance level E (PL e).