Pfeiffer DCU

Models in this family

1. 

   DCU 200 Vacuum Controller
2. 

   DCU 310 Turbopump Power & Control
3. 

   DCU 400 Digital Control Unit Turbomolecular Pump Controller

   The Pfeiffer DCU 400 is a digital control unit for a turbomolecular pump with 100–240 V AC input, 48 V DC output, a front LCD and keypad, and convection cooling.

4. 

   DCU 600 Turbo Pump Controller

   Cited variants

   Designation	Generation	Vintage	Changes	Source
   DCU-600 Turbo Pump Controller, Rebuilt	—	—	Described as rebuilt.	provac.com[1]

Sources