Vacuum Catalogue - Edwards

EXT556H Compound Turbomolecular Vacuum Pump2Page62The EXT556H incorporates our hybrid bearing and enhanced molecular drag pumpingtechnologies with turbopump stages on a single rotor. It is an 80V pump and therefore mustbe used with an EXC300 controller. The EXC300 is a fully featured controller with a userpanel, backing pump relay and bake-out band control. It is rack mountable and can poweran air cooler and control a vent valve as well as the turbopump.A basic pump system would require an EXT556H pump, an EXC300 controller, a pump tocontroller cable, either an air or water cooler accessory, and a suitable backing pump.DimensionsPerformance Curves1. N 2. He3. H 2A Inlet ISO100 E Purge portB Inlet ISO160 F Backing portC Vent port G Electrical connectorD Earth stud H Base mount holes (8)/Rubber feet (4)1. N 2. HeShop online at www.edwardsvacuum.com