Hall Effect Current Sensors L18P***S05 Series. Features: Open Loop type, Printed circuit board mounting, Integrated primary, Unipolar power supply, Busbar version from 40A to 60A, Insulated plastic case according to UL94V0. This Part is an alternative to LEM Part: HMS10-P, HMS15-P, HMS20-P, HMS5-P, HY-12-P/SP1, SU-10D, SX-10D.