ABB ACS880-37 Hardware Manual page 41

6 Switch F90 for ground fault monitoring (item 12)
7 FSO-xx safety functions module (option +Q973
and other options requiring FSO-xx)
8 Temperature monitoring relays (options +L505
and +L506). The terminals [X506] are located
on the back of the detachable mounting plate.
9 Swing-out frame
10 Mounting rail for additional equipment
11 Safety relays (emergency stop, safe torque off)
12 Ground fault monitoring equipment for
ungrounded systems (option +Q954)
13 FEA-03 extension adapter (option +L515). See
item 4.
14 Switch and circuit breaker for externally-
supplied motor space heater (option +G313).
The terminals [X313] are located on the back of
the detachable mounting plate.
15 Switch and circuit breaker for externally-
supplied control voltage (option +G307), eg.
UPS. The terminals [X307] are located on the
back of the detachable mounting plate.
16 Switch and circuit breaker for externally-
supplied cabinet lighting and heating (options
+G300 and +G301). The terminals [X300] are
located on the back of the detachable mounting
plate.
17 Fuse-disconnectors F21. On the primary of
transformer T21 (item 28). Mounted on a
detachable plate.
18 Fuse-disconnectors F111. On the primary of
transformer T111 (item 29). Mounted on a
detachable plate.
Operation principle and hardware description 41
24 Motor fan starters and contactors (options
+M602...610)
25 Terminal blocks X601 for motor fan connections
(options +M602...610)
26 24 V DC power supply for cabinet lighting
(option +G301)
27 Transformer T101 (at the back of the cubicle,
not visible). Supplies IP54, brake chopper and
brake resistor cabinet cooling fans (options
+B055, +D150 and +D151).
28 Transformer T21 (at the back of the cubicle, not
visible). Supplies the control circuitry and the
cooling fans in both the incoming unit (ICU) and
the auxiliary control unit (ACU). Also supplies
the cooling fan of type BLCL-1x-x LCL filter
modules.
29 Transformer T111. Supplies direct-on-line
cooling fans of supply, LCL filter (BLCL-2x-x)
and inverter modules (option +C188).
30 Auxiliary voltage circuit breakers F22 and F102.
On the secondary of transformers T21 (item 28)
and T101 (item 27) respectively.
31 Input voltage setting for auxiliary voltage
transformer T101 (item 27)
32 Input voltage setting for auxiliary voltage
transformer T21 (item 28)
33 Input voltage setting for auxiliary voltage
transformer T111 (item 29)
34 Terminal blocks
• X250: indication of main switch-disconnector
and contactor status
• X951: connection of external emergency stop
button
• X954: ground fault alarm indication
• X957: for connection of Prevention of
unexpected start-up switch.
Mounted on the left-hand inside wall.
35 Cubicle heater element (option +G300).
Mounted on the right-hand inside wall.