Installation GRS105/GRS106
Release
01
11/2021
25
5.4 Supply voltage
Note: Observe the safety instructions in “Requirements for connecting
electrical wires” on page 12.
The following supply voltage characteristic value combinations are available:
G9, GG, GM, GL, M9, MM, ML, L9, LL.
The supply voltage can be connected redundantly. Both inputs are
electrically isolated from each other. When 2 power supply units are used,
the load is distributed. The redundant power supply becomes active
automatically if the standard power supply fails. Normally the redundant
power supply runs in stand-by mode. Without redundant supply, the power
supply unit supplies the device on its own.
1 Supply voltage variant characteristic value G: Built-in C14 plug according to IEC 60320-1
2 Supply voltage variant characteristic value M: 3-pin terminal block
3 Supply voltage variant characteristic value L: 2-pin terminal block
Table 8: Supply voltage: Supply voltage options, location on the device