This Turbo Pump-To-Controller cable connects the Leybold Turbovac TMP 151, 151C, 361, 361C, 600C, 1100C turbomolecular vacuum pumps to the Leybold Turbotronik TD-20 and NT-20 Controllers. This turbo pump to controller cable is 5 meters long. Oerlikon Leybold Part Number 85766