CESSNA®
MODEL 525B
MAINTENANCE MANUAL
Table 1. Left C/B Bus (HC072) (continued)
Circuit Breaker
Equipment
Number of Units
Equipment Load
(Amps DC)
Notes
LH Fuel Control
PCB (NZ002)
1
0.37
LH Fuel Control
(HC010)
Fuel Transfer Valve
(UL009)
1
1.50
LH Igniter PCB
(NZ105)
1
0.37
LH #1 Igniter Box
(UD013)
1
3.00
Igniter - LH (HC014)
LH #2 Igniter Box
(UD014)
1
3.00
Bus Calculated Load (Airplanes -0610 thru -0664 and
Airplanes -0451 thru -0609 that incorporate SB525B-34-40)
34.55
Bus Calculated Load (Airplanes -0057 and -0665 and On)
34.81
Table 2. Left C/B Bus (HC073)
Circuit Breaker
Equipment
Number of Units
Equipment Load
(Amps DC)
Notes
PRSOV - LH
(VT020)
1
1.00
Mass Flow Valve -
LH (VT028)
1
1.00
PSROV - RH
(VT021)
1
1.00
Mass Flow Valve -
RH (VT029)
1
1.00
Pressurization
Controller (BA033)
1
2.00
Diagnostics Relay
(KF033)
1
0.10
Emergency
Pressurization
(KZ015)
1
0.10
Cabin Press Normal
(HC008)
Pressurization
Relay (KF032)
1
0.10
Fresh Air Fan
(MT004)
1
6.09
Fresh Air Fan
(HC023)
Fresh Air Fan Relay
(KZ025)
1
0.09
24-55-01
Page 4
© TEXTRON AVIATION INC.
Feb 23/2022
ICA-525B-34-00004
Form 2261 Rev 1
