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CIRCUIT BREAKERS
ATR72
121 VU
Circuit Breakers ATR72 MO-090
126 VU
21 VU
125 VU 127 VU 124 VU 128 VU 129 VU 130 VU
122 VU
Pág. 1 Rev. Original . Dic. 21, 2016
ACRONYMS
VU
A
FIN
POSITION
ACRONYMS
VU
FIN
POSITION
ANTI/DE ICING/ENG 2 & AFR - BOOTS B/ NORM SPLY & V HTG SPLY
122
2DM
P8
ANTI/DE ICING/ISOL VALVES 1 & 2
85DM
Q10
29DG
Q9
ANTI/DE-ICING/AAS/BOOTS A & B IND
122 122 122 122
121 126
1GG
F5
ACW BUS 1 PWR SPLY
1XB
CA1
ACW ELEC PWR/ACW BUS CAUT RLY/ BUS 2
122
6XB
Q16
ACW ELEC PWR/ACW BUS CAUT RLY/ BUS 1
122
5XB
Q17
ACW ELEC PWR/ACW BUS CAUTION LT/ BUS1
ANTI/DE-ICING/AFR DE-ICING VALVES HTG SPLY
122
3XB
P17
ACW ELEC PWR/ACW BUS CAUTION LT/ BUS2
122
4XB
A/SKID/INBD WHL CTL
ANTI/DE ICING/SIDE WDO/CAUTION
28DM
P7
1DM
P10
122
112DM
Q13
ANTI/DE-ICING/ENG 1 & AFR-BOOTS A SPLY
122
3DM
P11
P16
ANTI/DE-ICING/ENG 2 & AFR-BOOTS B EMER SPLY
122
52DM
P9
122
34DM
P14
ANTI/DE ICING/SO & REG VALVES 1 & 2
ACW ELEC PWR/ACW/BUS CAUT RLY/ SVCE BUS
122
7XX
Q18
ANTI/DE-ICING/HORNS CTL & IND/AIL & R ELEV
ACW ELEC PWR/BPCU ACW
15XG
Q19
19XU
Q20
ANTI/DE-ICING/HORNS CTL & IND/RUD & L ELEV
122
33DM
P15
ANTI/DE-ICING/ICE DET
Q15
21DH
P13
ACW SVCE BUS PWR SPLY/ON PRIM ACW BUS1 AFCS/FGCP CHAN 1/IOM-AP1
122 122 122 129 121 121 121 121
1DD
ACW GEN2/V IND & FREQ IND
122 122 122 126 126
ACW ELEC PWR/GCU ACW GEN 1 ACW ELEC PWR/GCU ACW GEN 2 ACW GEN1/V IND & FREQ IND
AFCS/FGCP CHAN 2/IOM-AP2 AFCS/PITCH SERVO AFCS/ROLL SERVO AFCS/YAW SERVO
20XU
P20
5XV
CD6
6XV
CD1
126
5XX
CC6
21 21 21 21 21
6CA
D12
AVIONICS VENT/EXTRACT FAN CTL
150CA
C12
AVIONICS VENT/IND
201CA
D11
AVIONICS VENT/VALVES
20CA
B11
200CA
C11
AIR BLEED/COMPT TEMP/CABIN TEMP CTL/AUTO
121
4HH
H17
AIR BLEED/COMPT TEMP/CABIN TEMP CTL/MAN
121
2HH
H16
AIR BLEED/COMPT TEMP/COMPT & DUCT TEMP IND
121
1HK
J13
AIR BLEED/COMPT TEMP/ENG 1 & 2 BLEED LEAK/CAUTION
121
2HF
J15
AIR BLEED/COMPT TEMP/ENG 1 & 2 BLEED LEAK/DET
121
1HF
J16
AIR BLEED/COMPT TEMP/ENG 1 BLEED/ CAUTION
121
29HA
J20
AIR BLEED/COMPT TEMP/ENG 1 BLEED/ SO VALVES/BLEED
121
1HA
J19
AIR BLEED/COMPT TEMP/ENG 1 BLEED/ SO VALVES/HP
121
3HA
J18
AIR BLEED/COMPT TEMP/ENG 2 BLEED/ CAUTION
121
30HA
H18
AIR BLEED/COMPT TEMP/ENG 2 BLEED/ SO VALVES/BLEED
121
2HA
H19
AIR BLEED/COMPT TEMP/ENG 2 BLEED/ SO VALVES/HP
121
4HA
H20
ANTI/DE-ICING/PROP CTL & IND/PROP 1 ANTI/DE-ICING/PROP CTL & IND/PROP 2 AUX HYD PUMP GND PWR SPLY AVIONICS VENT/ELEC SMK DET
B
11HM
J10
3TF1
D6
3TF2
C6
20TF
C7
4TF1
D8
6TF1
D9
4TF2
C8
CAB PRESS/DITCH CAC/CPM 1/IOM-S1 CAC/CPM2/IOM-S2 CAC/CPM2/IOM-S2 AUX SPLY CAC/IOM-DC/12 CAC/IOM-DC/13 CAC/IOM-DC22 CAC/IOM-DC23 CAC/SWM1 CAC/SWM2 CLOCK/CAPT/AUX SPLY CLOCK/CAPT/NORM SPLY CLOCK/F/O/AUX SPLY
3HB
J24
AIR BLEED/COMPT TEMP/SYS 1/PACK VALVE
121
7HB
J23
AIR BLEED/COMPT TEMP/SYS 2/PACK & RECIRC FAN CAUTION
121
4HB
H15
AIR BLEED/COMPT TEMP/SYS 2/PACK VALVE
121
8HB
H14
COM/CALL/AFT ATTND
AIR BLEED/COMPT TEMP/SYS1/TURBO FAN
121
5HB
J17
COM/FWD ATTND CALL COM/OBSVR AUDIO SYS
J14
122
1DG
Q8
ANTI/ DE ICING/WSHLD HTG R IND L/SIDE WDO/R CTL
122
2DG
Q7
Circuit Breakers ATR72 MO-090
CA2
J11
121
33HA
G13
J12
AIR BLEED/COMPT TEMP/SYS 1/PACK &RECIRC FAN CAUTION
121
5HR
1HM
J21
AIR BLEED/COMPT TEMP/X FEED
G14
6HM
CAB PRESS/AUTO PRESS
1HH
ANTI/ DE ICING/WSHLD HTG R IND L/SIDE WDO/L CTL
F13
1HR
121 121 121 21 21 21 21 21 21 21 21 21 121 121 121 121 122 21 21 21 21 21 21 21 21 21 21 21 21 122 122
C
121
H13
F14
CAB PRESS/APS
AIR BLEED/COMPT TEMP/FLT COMPT TEMP CTL/MAN
6HB
2WA 24HR
1GX
3HH
121
AC8
126
121
AIR BLEED/COMPT TEMP/SYS2/TURBO FAN
P12
10GF
BLUE HYD PUMP PWR SPLY
AIR BLEED/COMPT TEMP/FLT COMPT TEMP CTL/AUTO
J22
8DH
CLOCK/F/O/NORM SPLY COM COM/ACARS DMU COM/AUDIO SYS FLT SPLY/F/O COM/AUDIO SYS GND SPLY/CAPT COM/AUDIO SYS GND SPLY/F/O COM/AUDIO SYS/FLT SPLY/CAPT COM/BOOMSET ANC COM/CALL/MECH
COM/PUBLIC ADDRESS COM/SELCAL COMPT COMPT & SERVICING/28VDC SVCE PLUG
6TF2
C9
5TF1
D10
5TF2
C10
11FS
E14
3FS
E15
10FS
E12
4FS
E13
15XA
P36
4RB
B16
2RN2
A18
5RN1
B17
5RN2
B18
2RN1
A17
60RN
B19
2RM2
A19
2WC
A20
2RM1
A15
2RN3
B14
1RY
A16
2RW
B15
2LC
N36
10LE
N24
Pág. 2 Rev. Original. Dic. 21, 2016
ACRONYMS
VU
FIN
POSITION
ACRONYMS
VU
FIN
POSITION
COMPT & SERVICING/CAB LAT LT
251LG
N27
249LG
N28
COMPT SMK/AFT SMK/LAV DET FANS PWR SPLY
122
166WA
L6
COMPT & SERVICING/CAB LAT LT
122 122 122
2LG
N29
COMPT SMK/FWD COMPT/SMK DET
152WA
M7
COMPT & SERVICING/CAB READING LT/ CTL
122
163LW
N23
COMPT TEMP/CAB TEMP SNSR FAN
COMPT & SERVICING/FWD & AFT CARGO COMPT LT
122
2LU
N26
COMPT TEMP/RECIRC FAN/CTL1
COMPT & SERVICING/GALLEY
150MC
N19
150LH
N30
1MG
M20
COMPT & SERVICING/LAV LT
122 122 122 122
122 122 121 121 121 122
2LQ
N31
COMPT & SERVICING/WHEELS & AFT ELEC COMPT LT
DC BUS 1 & 2 V SENSG
122
2LM
N25
DC BUS 1 V SNSG/BUS CAUTION
COMPT LT & SERVICING/115VAC SVCE PLUG
122
DC EMER & STBY BUS ON HEBB/CTL
130 127 124 124 130
DC EMER & STBY BUS ON HEBB/DC EMER BUS DC EMER & STBY BUS ON HEBB/DC STBY BUS
COMPT & SERVICING/CAB LAT LT
COMPT & SERVICING/GALLEY LT COMPT & SERVICING/LAV FLUSH MOTOR
8LE
N20
COMPT LT & SERVICING/CAB RDG LT/ PWR SPLY/LH
122
161LW
N22
COMPT LT & SERVICING/CAB RDG LT/ PWR SPLY/RH
122
160LW
N21
COMPT LT & SERVICING/CABIN/ATTND PNL/EXT PWR SPLY
122
3MW
K24
COMPT LT & SERVICING/CABIN/ATTND PNL/NORM SPLY
122
1MW
K25
COMPT LT & SERVICING/CABIN/EMER EXIT LT
122
6WL
K26
COMPT LT & SERVICING/CABIN/LAT LT
257LG
M27
255LG
M28
COMPT LT & SERVICING/CALL SYS
122 122 122 122 122 122 122 122
COMPT LT & SERVICING/FLT COMPT/ANN LT TEST
122
COMPT LT & SERVICING/CABIN/LAT LT COMPT LT & SERVICING/CABIN/MIN LT COMPT LT & SERVICING/CABIN/UPPER LT COMPT LT & SERVICING/CABIN/UPPER LT COMPT LT & SERVICING/CABIN/UPPER LT COMPT LT & SERVICING/CABIN/UPPER LT
COMPT SMK/LAV SMK DET
COMPT TEMP/RECIRC FAN/CTL2 CVR/CVR
D
DC BUS 2 V SNSG/BUS CAUTION
DC EMER & STBY BUS ON HEBB/ GENERAL PWR SPLY
130
64PA
AB10
DC EMER BUS/INV1 ON HEBB IND
130
60PA
AF10
DC EMER/ESS & STBY BUS ON PRIM DC BUS 1/CTL
127
15PA
AE2
DC EMER/ESS & STBY BUS ON PRIM DC BUS 1/PWR SPLY
127
9PA
AD2
DC EMER/ESS & STBY BUS ON PRIM DC BUS 2/PWR SPLY
124
8PA
AD4
DC EMER/ESS/STBY BUS ON TRU CTL & IND
129
98PA
AF7
DC ESS BUS ON HMBB/SEC 1
1PD
AB7
2PD
AC7
13PA
AE7
164LG
K27
327LG
M23
325LG
M24
321LG
M25
319LG
M26
1LN
M22
DC ESS BUS/INV1 ON HMBB CTL
129 129 129
151LP
M29
DC ESS/STBY BUS ON HMBB/GENERAL PWR SPLY
129
11PA
AB8
DC GEN 1/GEN V IND
125 128 127 125 125 128 128 129 129 122 122 122 122 21 21 21 21 21 21 21 122 122 122 122 122
15PV
AC1
DC ESS BUS ON HMBB/SEC 2
4LE
K32
DC GEN1/CTL/EXCN
COMPT LT & SERVICING/FLT COMPT/ LMU/LT
122
202LT
K29
DC GEN2/CTL/EXCN
COMPT LT & SERVICING/FLT COMPT/ LMU/MIP
122
252LF
K28
COMPT LT & SERVICING/FLT COMPT/ LMU/PED & LT
122
201LT
K30
COMPT LT & SERVICING/FLT COMPT/ OVHD
122
4LF
K31
COMPT LT & SERVICING/PSU/AMB LT
635LG
K33
DFDR/DFDR
1RA
K23
DFDR/SYNC
2WJ
L29
DISPLAYS UNITS/CAPT/DU 1 PFD
6LG
L27
DISPLAYS UNITS/CAPT/DU 2 MFD
242LG
L28
DISPLAYS UNITS/CAPT/DU 2 MFD AUX
326LG
L23
DISPLAYS UNITS/DU 3 EWD
324LG
L24
DISPLAYS UNITS/F/O/DU 4 MFD
320LG
L25
DISPLAYS UNITS/F/O/DU4 MFD AUX
318LG
L26
DISPLAYS UNITS/F/O/DU5 PFD
COMPT LT/FLT COMPT/OVHD
122 122 122 122 122 122 122 122 122 122 122 122
COMPT SMK/AFT COMPT/LAV DET FANS IND COMPT SMK/AFT COMPT/SMK DET
Circuit Breakers ATR72 MO-090
AB4
AD10
122
COMPT LT/ENTR/AFT CARGO
AB2
8PN
11PD
COMPT LT & SERVICING/FLT COMPT/ EMER LT
COMPT LT/FLT COMPT/F/O NORM LT
AG10
7PN
130
M31
COMPT LT/CABIN/UPPER LT
10PA
AC10
2LE
COMPT LT/CABIN/UPPER LT
K20
12PD
122
COMPT LT/CABIN/UPPER LT
G17
3RK
130
M30
COMPT LT/CABIN/UPPER LT
G18
24HB
AA4
4LP
COMPT LT/CABIN/LAT LT
23HB
AE10
122
COMPT LT/CABIN/LAT LT
G16
62PA
COMPT LT & SERVICING/FLT COMPT/ CAPT NORM LT
COMPT LT/BELTS & NO DEVICE
N9
21HH
54PU
DC BUS 2 V SNSG/GCU2
COMPT LT & SERVICING/FLT COMPT/ANN LT TEST
COMPT LT & SERVICING/VIDEO DOOR
154WA
DC GEN 2/GEN V IND DC GEN1/CTL/BUS V SNSG DC GEN1/CTL/POR DC GEN2/CTL/POR DC GND HDLG XFR SPLY ONHMBB DC STBY BUS ON HMBB DFDR/BRAKE FTU DFDR/BRAKE FTU
6LE
L21
DOORS/CARGO ACTG/ACTR
20LE
L31
DOORS/CARGO ACTG/CTL
14LF
L30
DOORS/CAUTION
122
168WA
M9
DOORS/CDCU & LATCHES SPLY
122
186WA
M6
DOORS/CDCU FAULT
16PV
AC6
53PU
AA2
13PU
AA1
51PU
AB1
14PU
AA6
52PU
AB6
9PX
AG7
3PD
AD7
198TU
K18
197TU
K19
6TU
K17
8TU
K16
13WK1
A6
15WK1
A7
17WK1
B7
12WK
A8
15WK2
A9
17WK2
B9
13WK2
A10
1MP
L19
2MP
L20
2WS
L18
6MQ
M18
4MQ
M19
Pág. 3 Rev. Original . Dic. 21, 2016
ACRONYMS
VU
E
FIN
POSITION
ACRONYMS
VU
FIN
POSITION
EXT LT/NAV ALTN SPLY
122 122 122 122 122 122 122 126 126 125 126
4LA
M32
2LA
N32
EXT LT/NAV NORM SPLY
ENG FIRE/DET/ENG 2/LOOP B
21 21 122 130 130 127 21 122 122 122 122 122 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 122 122 122 122
ENG FIRE/EXTING CTL & IND/EMER SPLY/L BTL SQUIBS
122
ENG FIRE/EXTING CTL & IND/EMER SPLY/R BTL SQUIBS
122
4WE
K3
ENG FIRE/EXTING CTL & IND/HOT SPLY/ L BTL SQUIBS
122
1WE
K2
ENG FIRE/EXTING CTL & IND/HOT SPLY/ R BTL SQUIBS
122
2WE
K1
ENG FIRE/WARN/ENG 1/CLA
1KC
K7
3WD
K8
FUEL/LP VALVES/ENG 1/IND
2KC
K6
FUEL/LP VALVES/ENG 1/MOTOR 2
4WD
K5
FUEL/LP VALVES/ENG 2/IND
210KS
N13
FUEL/LP VALVES/ENG 2/MOTOR 2
ENG IND/CTL/ENG 1 & 2/BALANCE TEST
122 122 122 122 122 122
22KH
N16
FUEL/LP VALVES/ENG1/MOTOR 1
ENG IND/CTL/ENG 1 & 2/PROP FEATH PUMP TEST
122
18KF
N17
ENG IND/CTL/PROP BRK/CTL & IND
122 122 122 122 122 122 122 122 122 122
4KY
N15
FUSE-EMER BAT CHG CURRENT SNSG/ NEG STUD
2KY
N14
201KS
N12
FUSE-EMER BAT CHG CURRENT SNSG/ POS STUD
202KS
N11
2LV
M33
4LV
N33
7LC
M36
9LB
M34
1LB
M35
2LY
N34
EFCP/CAPT EFCP/F/O EIS/EIS RECORDER
EMER BAT AMP IND/NEG STUD EMER BAT AMP IND/POS STUD EMER BAT CHG CNTOR ENG ENG 1 IND/OIL PRESS/TEMP ENG 1 IND/PROP OVSP SOLENOID ENG 2 IND/NAC 2 OVHT DET ENG 2 IND/OIL PRESS/TEMP ENG 2 IND/PROP OVSPD SOLENOID ENG CTL/ ENG CTL/ENG 1/EEC/CTL & CAUTION ENG CTL/ENG 1/FEATH CTL & AFU ENG CTL/ENG 1/START CTL & IND ENG CTL/ENG 2/AFU ENG CTL/ENG 2/EEC/CTL & CAUTION ENG CTL/ENG 2/FEATH CTL & AFU ENG CTL/ENG 2/START CTL & IND ENG CTL/ENG1/EEC EMER SUPPLY ENG CTL/ENG1/EEC NORM SUPPLY ENG CTL/ENG2/EEC EMER SUPPLY ENG CTL/ENG2/EEC NORM SPLY ENG CTL/IDLE GATE CAUTION ENG CTL/IDLE GATE SOL ENG CTL/IGN/SPARK PLUG A ENG CTL/IGN/SPARK PLUG B ENG FIRE/DET/ENG 1/LOOP A ENG FIRE/DET/ENG 1/LOOP B ENG FIRE/DET/ENG 2/LOOP A
ENG FIRE/WARN/ENG 1/FIRE HANDLE ENG FIRE/WARN/ENG 2/CLA ENG FIRE/WARN/ENG 2/FIRE HANDLE ENG IND/CTL/EEC 1 & 2 ALTN SPLY
ENG IND/CTL/PROP BRK/PWR IND ENG IND/CTL/RATING/CAUTION ENG IND/CTL/RATING/ERIU SPLY EXT LT/BEACON ALTN SPLY EXT LT/BEACON NORM SPLY EXT LT/L & REAR STROBE EXT LT/L LAND/CTL EXT LT/L LAND/PWR SPLY EXT LT/LOGO Circuit Breakers ATR72 MO-090
16WK1
D13
16WK2
C13
250TU
K15
22PV
AH9
21PV
AG9
47PA
AC2
EXT LT/R LAND CTL EXT LT/R LAND/PWR SPLY EXT LT/TAXI & TO CTL EXT LT/TAXI & TO PWR SPLY EXT LT/WING EXT PWR/ACW SVCE BUS ON EXT PWR
39KF
B24
1ES
M17
1KZ
M15
6WH
L14
2ES
L17
2KZ
L15
FERRY INS 1 PWR SPLY
2FN
B3
FERRY INS 2 PWR SPLY
3KS
D23
FERRY SYS/INS 1 REF
3KF
D24
FERRY SYS/INS 2 REF
7KG
A27
FLT CTL/AIL TRIM & AIL LOCK WARN
40KF
C24
4KS
D26
4KF
D25
14KG
A24
1KS
D22
29KS
B23
2KS
D27
28KS
C23
6KR
C25
4KR
B25
1JH
A26
2JH
A25
1WD
K12
5WD
K11
2WD
K9
6WD
K10
3WE
K4
EXT PWR/CTL
10LB
L34
2LB
N35
8LR
L33
2LR
N37
2LX
L32
1XX
CF6
4XG
CE5
12PX
AE1
7XV
CG5
10FP1
AF2
10FP2
AF4
14FP1
M1
14FP2
N1
FLT CTL/ELEVATORCLUTCH PWR SPLY
127 124 122 122 121 121
FLT CTL/F/O STICK SHAKER & RUD TLU AUTO CTL FLT CTL/FLAPS POS DET & IND/RUD TLU MONG FLT CTL/FLAPS/CTL
EXT PWR/DC SVCE BUS/PWR SPLY EXT PWR/V IND & FREQ IND
F
4CG
J6
2CB
H1
121
15FU
H2
121
19CV
H5
121 121
2CV
H6
FLT CTL/GUST LOCK AIL
10CE
G5
FLT CTL/L NORM & STBY PITCH TRIM & RUD TLU MAN CTL
121
11CG
J4
FLT CTL/R NORM PITCH TRIM
12CG
J3
48CG
H3
FLT CTL/SPLR IND
121 121 121 121
FLT CTL/STICK PUSHER/CTL & CAPT STICK SHAKER FLT CTL/STICK PUSHER/PWR SPLY
FLT CTL/R STBY/PITCH TRIM
8CG
J5
10CT
G6
121
2FU
G3
14FU
G4
FUEL/LP VALVES/ENG2/MOTOR 1
121 121 121 121 121 121 121 121 121 121 121 121 121 121 121 121
FLT CTL/RUD TRIM & TLU POS IND
FLT CTL/TRIM POS IND FUEL/FCU CHAN 1 FUEL/FCU CHAN 2 FUEL/FUEL FEED/ENG 1/CTL & CAUTION FUEL/FUEL FEED/ENG 1/ELEC PUMP FUEL/FUEL FEED/ENG 2/CTL & CAUTION FUEL/FUEL FEED/ENG 2/ELEC PUMP FUEL/FUEL FEED/X FEED FUEL/FUELING CTL & IND
4CT
H4
1QT
F12
2QT
F6
3QA
F11
1QA
F10
4QA
F7
2QA
F8
2QE
F9
2QU
G10
5QG
E6
3QG
E7
6QG
E8
4QG
E9
1QG
G8
2QG
E10
130
50PA
AK9
130
49PA
AJ9
FUSE-MAIN BAT CHG CURRENT SNSG/ NEG STUD
129
44PA
AK8
FUSE-MAIN BAT CHG CURRENT SNSG/ POS STUD
129
43PA
AJ8
GREEN HYD PUMP PWR SPLY
126
4GX
CA5
G
Pág. 4 Rev. Original. Dic. 21, 2016
ACRONYMS
VU
H
HORNS ANTI ICICNG PWR SPLY/R ELEV HORNS ANTI ICING PWR SPLY/L AIL HORNS ANTI ICING PWR SPLY/L ELEV HORNS ANTI ICING PWR SPLY/R AIL HORNS ANTI ICING PWR SPLY/RUD HOT EMER BAT BUS SECT 1 HOT MAIN BAT BUS SEC 1 HYD PWR/AUX PUMP CTL & IND/GRD HYD PWR/AUX PUMP CTL & IND/NORM HYD PWR/BLUE PUMP CTL HYD PWR/CAUTION/BLUE SYS HYD PWR/CAUTION/GREEN SYS HYD PWR/GREEN PUMP CTL HYD PWR/X FEED
INFO SYS/FLT CREW/EFB1
I
INFO SYS/FLT CREW/EFB2 INV 1 HOT EMER BAT BUS INV 1 HOT MAIN BAT BUS
L WINDS HTG PWR SPLY
L
L/G-BRK/BRK OVTEMP IND SYS L/G-BRK/L/G CTL & PRIM IND L/G-BRK/L/G SEC IND L/G-BRK/NOSE WHEEL STRG L/G-BRK/OUTBD WHL A/SKID L/G-BRK/WOW SYS 1 L/G-BRK/WOW SYS 2
M
126 126 126 126 126 130 129 121 121 121 121 121 121 121
122 122 130 129
FIN
POSITION
32DM
CB3
48DM
CD3
63DM
CB4
50DM
CC3
51DM
CC4
16PD
AA9
15PD
AA8
1GF
H11
4GF
H12
3GX
J9
13GX
J8
12GX
J7
2GX
H9
1GE
H8
ACRONYMS
VU
FIN
POSITION
MAIN ELEC PWR-AC/BUS 2 & STBY BUS RLY CTL
122
36XA
Q35
MAIN ELEC PWR-AC/BUS 2 SPLY/115VAC
122 122
16XA
Q37
MAIN ELEC PWR-AC/BUS 2 SPLY/26VAC
18XA
Q36
MAIN ELEC PWR-AC/INV 1 CAUTION/BUS 1 & TIE RLY SPLY
122
39XA
P34
MAIN ELEC PWR-AC/INV 2 CAUTION & BUS 2 RLY SPLY
122
6XA
Q34
MAIN ELEC PWR-AC/STAT INV 1/V&FREQ IND
122
3XV
P38
MAIN ELEC PWR-AC/STAT INV 2/V&FREQ IND
122
4XV
Q38
MAIN ELEC PWR-DC/BPCU DC
122
15PG
P25
MAIN ELEC PWR-DC/DC BUS CAUTION/ BUS 1
122
5PN
P30
MAIN ELEC PWR-DC/DC BUS CAUTION/ BUS 2
122
6PN
P29
MAIN ELEC PWR-DC/DC GND HDLG XFR BUS ON MAIN BAT/IND
122
4PX
Q26
MAIN ELEC PWR-DC/DC GRD HDLG XFR BUS/ON SVCE BUS
122
11PX
Q27
MAIN ELEC PWR-DC/DC SVCE BUS CAUTION RLY
122
20PX
Q28
122
33PU
Q21
8TW1
K22
8TW2
K21
7XA
AA10
MAIN ELEC PWR-DC/DC SVCE/UTLY BUS CTL & CAUTION
4XA
AA7
MAIN ELEC PWR-DC/EMER BAT/CHG IND
5DG
CC5
MAIN ELEC PWR-DC/MAIN BAT/CHG IND
30GG
F3
MAIN ELEC PWR-DC/STBY BUS V SNSG
1GA
F2
MAIN ELEC PWR-DC/STBY BUS/CTL
18GB
E2
122 122 122 122 122 122
MAIN ELEC PWR-DC/STBY BUS/UNDV & OVRD IND MFC/1A AUX/ADC 1/ICP CAPT HOT SPLY
MAIN ELEC PWR-DC/GCU DC GEN 1 MAIN ELEC PWR-DC/GCU DC GEN 2
126 121 121 121 121 121 121 121
1GC
E5
2GG
E4
21GB
E3
20GB
E1
MFC/1A NORM SPLY MFC/1B AUX SPLY MFC/1B NORM SPLY MFC/2A AUX SPLY
129 129 124
19PV
AH8
MFC/2A NORM SPLY
20PV
AG8
MFC/2B AUX SPLY
28PA
AC4
MFC/2B NORM SPLY
MAIN ELEC PWR - DC/DC GND HDLG XFR BUS/ON MAIN BAT/XFR RLY
122
1PX
Q25
MAIN ELEC PWR - DC/EMER BAT/V IND
122
24PV
P23
MAIN ELEC PWR - DC/ESS BUS & INV 1 ON MAIN BAT IND
122
16PA
Q24
MAIN ELEC PWR - DC/MAIN BAT V IND
13PV
Q23
8PG
Q29
MAIN ELEC PWR-AC 115AC BUS 1 & 2 TIE
122 122 122
30XA
Q33
MAIN ELEC PWR-AC/26VAC AC BUS 1 & 2 TIE
122
29XA
P35
MAIN BAT AMP IND/NEG STUD MAIN BAT AMP IND/POS STUD
MAIN BAT CHG CNTOR & BUS V SNSG
MAIN ELEC PWR/DC/DC EXT PWR INTLK
MPC/FDAU FLT SPLY MPC/FDAU GND SPLY MPC/PTR
NAV/COM/SURV/CAPT/MCP NAV/COM/SURV/DME1 NAV/COM/SURV/DME2 NAV/COM/SURV/F/O/MCDU
MAIN ELEC PWR-AC/AC BUS CAUTION LT/BUS 1
122
1XN
P32
MAIN ELEC PWR-AC/AC BUS CAUTION LT/BUS 2
122
2XN
P31
MAIN ELEC PWR-AC/AC BUS CAUTION RLY/BUS 1
122
3XN
Q32
MAIN ELEC PWR-AC/AC BUS CAUTION RLY/BUS 2
122
4XN
Q31
NAV/COM/SURV/NAV2
MAIN ELEC PWR-AC/AC STBY BUS SPLY/115VAC
122
4XD
Q40
NAV/COM/SURV/RA 2
MAIN ELEC PWR-AC/AC STBY BUS SPLY/26VAC
122
3XD
Q39
MAIN ELEC PWR-AC/BUS 1 RLY CTL
122 122
5XA
P33
17XA
P37
MAIN ELEC PWR-AC/BUS 1 SPLY/115VAC
NAV/COM/SURV/F/O/MCP NAV/COM/SURV/GPS1 NAV/COM/SURV/GPS2 NAV/COM/SURV/NAV1 NAV/COM/SURV/RA 1 NAV/COM/SURV/VHF1 NAV/COM/SURV/VHF2 NAV/COM/SURV/VHF3 NAV/COM/SURV/XPDR 1 NAV/COM/SURV/XPDR 2
Circuit Breakers ATR72 MO-090
N
NAV/COM/SURV/CAPT/MCDU
46PA
P24
35PU
P26
38PU
P21
34PA
Q22
6PD
P22
8PD
P28
122
10PD
P27
21 21 21 21 21 21 21 21 21 21 21
4UA1
B1
2UA1
A1
5UA1
A2
21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21
3UA1
B2
4UA2
C1
2UA2
D1
5UA2
D2
3UA2
C2
4TU
A12
159TU
B12
242TU
A11
11WK1
D14
19WK1
D15
3SD1
D17
3SD2
C17
11WK2
C14
19WK2
C15
3SN1
D16
3SN2
C16
4RS1
D18
4RS2
C18
3SA1
D21
3SA2
C21
4RC1
D20
4RC2
C20
4RC3
B20
4SH1
D19
4SH2
C19
Pág. 5 Rev. Original . Dic. 21, 2016
ACRONYMS
VU
O
FIN
POSITION
121 121
6HT
F15
4HT
F16
3FL1
D5
PROP FEATH PUMP PWR SPLY/ENG 2
21 21 21 21 21 21 21 21 125 125 122 122 122 122 122 122 122 122 122 122 122 122 122 122 126 126 21 21 21 21 129 129
2KF
AF8
PWR SPLY ON PRIM ACW BUS 2/ACW BUS2
126
2XB
CA6
PWR SPLY ON PRIM DC BUS 1/DC/SVCE BUS
127
13PX
AE3
PWR SPLY ON PRIM DC BUS 1/EXTRACT FAN
127
3HR
AC3
OXYGEN/PRESS IND & CAUTION OXYGEN/SPLY VALVE
P
PRIM REF/ADC 1/ICP CAPT EMER SPLY PRIM REF/ADC 2 /ICP F/O GND SPLY PRIM REF/ADC 2 FLT SPLY/ICP F/O PRIM REF/AHRS 1 AUX SPLY PRIM REF/AHRS 1 NORM SPLY PRIM REF/AHRS 2 AUX SPLY-FLT PRIM REF/AHRS 2 AUX SPLY-GND PRIM REF/AHRS 2 NORM SPLY PRIMARY C/B MAIN ELEC PWR/SYS 1 PRIMARY C/B MAIN ELEC PWR/SYS 1 PROBES HTG/ F/O / PITOT PROBES HTG/ F/O / TAT PROBES HTG/ F/O/ ALPHA PROBES HTG/CAPT STAT PROBES HTG/CAPT/ALPHA PROBES HTG/CAPT/PITOT PROBES HTG/CAPT/TAT PROBES HTG/CAUTION/CAPT PROBES HTG/CAUTION/STBY PROBES HTG/F/O CAUTION PROBES HTG/F/O STAT PROBES HTG/STBY PITOT/EMER SPLY PROBES HTG/STBY PITOT/NORM SPLY PROBES HTG/STBY STAT PROP 1 DE-ICING PWR SPLY PROP 2 ANTI ICING PWR SPLY PROP CTL/ENG 1/PEC EMER SPLY PROP CTL/ENG 1/PEC NORM SPLY PROP CTL/ENG 2/PEC EMER SPLY PROP CTL/ENG 2/PEC NORM SPLY PROP FEATH PUMP PWR SPLY/ENG 1
24FL
B5
3FL2
C5
2FP1
C3
3FP1
D3
2FP2
B4
6FP
D4
3FP2
C4
4PG
AF1
17PV
AG1
4DA
N3
60DA
P3
2DA
P2
VU
FIN
POSITION
PWR SPLY ON PRIM DC BUS1/L SIDE WINDOW AI
127
3DG
AJ3
PWR SPLY ON PRIM DC BUS2/AUX HYD PUMP NORM PWR SPLY
124
2GF
AE5
PWR SPLY ON PRIM DC BUS2/DC UTLY BUS 2
124
2PB
AH5
PWR SPLY ON PRIM DC BUS2/R SIDE WINDOW AI
124
4DG
AJ5
R WINDS HTG PWR SPLY
126
6DG
CC2
STBY HOR EMER PWR SPLY
130 21 21 21
22FN
AF9
2SG
A22
R S
SURV/T2CAS T-R SURV/TAWS ADVS SURV/WXR
TRU PWR SPLY
6DA
M3
17DA
L2
WIPER/CAPT
19DA
M4
WIPER/F/O
5DA
L3
13DA
N5
9DA
N4
1DA
P5
10DA
P4
7DA
L5
57DA
L4
8DA
M5
25DH
CD5
2DH
CD2
65KH
C27
67KH
C26
64KH
B27
68KH
B26
1KF
AE8
PWR SPLY ON PRIM DC BUS 1/INV 1
127
3XA
AB3
PWR SPLY ON PRIM DC BUS 1/L RECIRC FAN
127
25HB
AD3
PWR SPLY ON PRIM DC BUS 2/DC BUS 2/SEC1
124
2PN
AF5
PWR SPLY ON PRIM DC BUS 2/DC BUS 2/SEC2
124
4PN
AG5
PWR SPLY ON PRIM DC BUS 2/EXTRACT FAN
124
4HR
AC5
PWR SPLY ON PRIM DC BUS 2/INV 2
124
10XA
AB5
PWR SPLY ON PRIM DC BUS 2/R RECIRC FAN
124
22HB
AD5
PWR SPLY ON PRIM DC BUS1/DC BUS 1/ SECT 1
127
1PN
AF3
PWR SPLY ON PRIM DC BUS1/DC BUS 1/ SECT 2
127
3PN
AG3
PWR SPLY ON PRIM DC BUS1/DC UTLY BUS 1
127
1PB
AH3
Circuit Breakers ATR72 MO-090
ACRONYMS
T W
6WZ
A21
2SQ
B22
126
94PA
CF2
122 122
1DB
N6
2DB
P6
Pág. 6 Rev. Original. Dic. 21, 2016
