The Grundfos WMJ88U is a high-efficiency NBE 50-160/139 S2-A-F2-A-BQQE 4P 0.75kW speed-regulated end-suction pump, featuring an integrated frequency converter for optimal performance. This robust pump is equipped with a durable cast iron housing (EN JL1040) and a stainless steel impeller (DIN W.-Nr. 1.4301), ensuring longevity and reliable operation. Powered by an IE5 efficiency MGE 90LB2-4 motor, it delivers a rated flow of 16.6 m³/h and a rated head of 10.4 meters. Designed for a wide range of applications, it operates on 3x380-500V at 50/60 Hz and can handle liquid temperatures from -20 to 120 °C with a maximum operating pressure of 16 bar. The primary shaft seal is BQQE (Silicon Carbide/Carbon/EPDM).