... specifications : 23 series and 550 specificationsTM456, TM540 series electric oil-submersible motorsTPR387,400,540 series protectorsTS387,400,540 ... ,400,540 series pumps Composition: Electric motor, protector ,separator ( intake section ), pump, lead cable, power cable, switchboard, wellhead device, accessories ... EOSP system Anti-corrosion type EOSP system ELECTRIC OIL-SUBMERSIBLE PUMPING UNITS