Multi PASS has both manual and automatic transfer function. If the UPS is Multi PASS is a maintenance bypass to allow a ups to be powered down and removed for service without disruption to the connected load(s).
accidentally disconnected or fails any load(s) connected to Multi PASS are automatically transfered to the mains supply.
Multi PASS is available in wall mounted or 19" rack mount formats.
Riello UPS Supplies a wide range of external maintenance bypass and switchgear for their UPS up to the 800Kva Master Dialog and for parallel systems up to 4,8MVA.
 
CHARACTERISTICS
•Wall or rack mount versions.
•Back-feed protection.
•Manual and automatic transfer functions.
•Mains power present LED indicator.
•IEC, UK, Schuko and hard wired connected options.