Maintenance
Npaq® Hardware Manual
4.8. Fuse Replacement
Additional fuse information can be found on the system drawing that was supplied with the Npaq.
Table 4-15:
Typical Fuse Replacement Part Numbers
Function / Location
Options
Fuse Rating
Manufacturer P/N
Aerotech P/N
Bus Supply #1
F1 & F2 on Voltage
Select / Soft-Start
Board
10B, 20B
F1: 4 A, 3 AG
Littelfuse 313004P
EIF104
F2: 2 A, 3 AG
Littelfuse 313002P
EIF102
30B, 40B, 80B
F1: 4 A, 3 AG
Littelfuse 313004P
EIF104
F2: 3 A, 3 AG
Littelfuse 313003P
EIF103
160LT
F1: 7 A, 3 AG
Littelfuse 313007P
EIF107
F2: 3 A, 3 AG
Littelfuse 313003P
EIF103
320LT
F1: 7 A, 3 AG
Littelfuse 313007P
EIF107
F2: 10 A, 3 AG
Bussman MDA-10-R
EIF117
Bus Supply #2
F3 & F4 on Voltage
Select / Soft-Start
Board
10B, 20B
F3: 4 A, 3 AG
Littelfuse 313004P
EIF104
F4: 2 A, 3 AG
Littelfuse 313002P
EIF102
30B, 40B, 80B
F3: 4 A, 3 AG
Littelfuse 313004P
EIF104
F4: 3 A, 3 AG
Littelfuse 313003P
EIF103
160LT
F3: 7 A, 3 AG
Littelfuse 313007P
EIF107
F4: 3 A, 3 AG
Littelfuse 313003P
EIF103
320LT
F3: 7 A, 3 AG
Littelfuse 313007P
EIF107
F4: 10 A, 3 AG
Bussman MDA-10-R
EIF117
MXR Voltage Select
Board: F1 & F2
MXR Options
F1: 1 A, 5x20 mm
Littelfuse 218001P
EIF189
F2: .5 A, 5x20 mm
Littelfuse 218.500P
EIF196
DL Series Amplifier:
F1 & F2
DL4005A
DL4010
DL4010A
5 A, 5x20 mm
Littelfuse 215005.P
EIF1023
DP Series Amplifier:
F1
DP32010E
5 A, 5x20 mm
Littelfuse 215005.P
EIF1023
DP32020E
DP32030E
10 A, 5x20 mm
Littelfuse 215010.P
EIF1020
Brake / F1 on Drive
Interface Board
Brake Options
3.15 A, 5x20 mm
Littelfuse 2183.15P
EIF180
Shunt Board: F1
Shunt
4 ASB, 5 mm
BEL Fuse, 5ET4-R
EIF1032
N O T E :
See your System Documentation for additional and alternative fuse requirements.
N O T E :
Bus Supply fuses are normally located on the Voltage Selector.
W A R N I N G : 10 amp fuses are not user replaceable. An open fuse usually indicates that the
unit should be returned to Aerotech for service.
D A N G E R : Residual voltages greater than 60V may be present inside Npaq chassis for
longer than 10 seconds after power has been disconnected.
D A N G E R : Always disconnect the Mains power connection before opening the Npaq
chassis.
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Chapter 4
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