10
Maximum number of FBA devices on a switching device
6 Switchgear
Switching device, 2 speeds 400V (Engine 001)
Automatic switching point, 2 speeds 400V (Engine 001)
Switchgear FBA 601 FBA 701 FBA 801 FBA 603 FBA 703 FBA 803
670 50 20 14
671 50 20 14
676 50 20 14
685 / 52E 7 1 1
685 / 53E 15 3 3
685 / 54E 24 6 5
685 / 55D 5 2 1
685 / 56D 10 4 2
685 / 57D 20 8 5
685 / 58D 35 14 10
5-wire
5-wire
9-wire 4-wire
4-wire
9-wire
RT=Room thermostatTK=Thermocontact
RT=Room thermostatTK=Thermocontact
Location
supply
fuses
Location
supply
fuses
Servomotor open/close
OPEN
CLOSE
Contact load
If there is an automatic restart
after an engine failure, you must
insert a bridge.
If there is an automatic restart
after an engine failure, you must
insert a bridge.
re
9-wire
TK=Thermocontact
Room thermostat
Location
supply
fuses