MGE Galaxy 5000
2.8.1Characteristics of the Contacts on the Relay Communications Card
Figure 2-13: Characteristics of the Contacts on the Relay Communications Card
Low battery warning
Load on battery power
Load on automatic bypass
Load on UPS
Battery fault
General alarm
Characteristics of the output contacts: Permissible voltage: 250V AC, 30V DC. Permissible current: 2 A.
Cable: 4 x 0.93 mm2, Ø 6.6 ± 0.3 mm.
Characteristics of the input contacts:
Switched voltage: 5 V DC
Consumption: 10 mA.
Cable: 4 x 0.34 mm2, Ø 5 ± 0.5 mm.
UPS OFF
UPS ON
Communications Card Connection Example
If a SELV (safety extra low voltage) source is used, it must always be possible to isolate the communications card from the upstream source to ensure the safety of personnel working on the installation.
AC
communication card 
Disconnecting device that can be locked
2 — 10 | Setup and Installation |
