APC GALAXY 5000 - Manual (Page 59)

34001813EN/AE - Page 59
6. Available options
Backfeed option
This option opens the Bypass AC input or the Normal AC input if power fails. This option is mandatory to meet standard IEC
62040-1-2.
If an external backfeed protection system is used, it must comply with the requirements indicated in Annex L of standard IEC
62040-1-2.
NMC (Network Management Card) option
This option is a communications card for supervision and protection of a three-phase device. Each UPS can be equipped with
a maximum of four NMC communications cards.
Optional communications card with additional power relay
The UPS is already equipped with a relay communications card. But it is possible, with this option, to add another card with
programmable power-relay functions.
Optional serial communications card
This option is an RS232 or RS485 serial communications card operating under the JBUS protocol.
Telpac Power Services option
This option consists of a communications card operating under the JBUS protocol for Teleservice functions.
AS4I option
This option consists of a low-power relay card for shut-off and scheduling functions.
Multislot option
This option consists of communications cards to concentrate the communication of two parallel-connected UPSs.
External synchronisation module option
With this option, a SYNIN communications card and two circuit breakers are added to each UPS unit. The external
synchronisation module issues a reference frequency used to synchronise the UPS units. For more information, see
document no. 34000346.
IP32 option
This option protects the UPS against solid objects larger than 2.5 mm and falling drops of water from up to 15° from vertical.
For roof installation, See “IP32 installation”, page 67.
Check the different input/output signal levels (LV, ELV, SELV) on the optional communication cards (4) and use
appropriate wiring.