Soft-Start Board Assembly - Aerotech Npaq DL 4010 Series Hardware Manual

Npaq® Hardware Manual

4.5. Soft-Start Board Assembly

The Soft-Start / Voltage Select Board contains four fuses (F1-4) used in the Voltage Select circuit to protect
the transformers. Fuses F1 and F3 (Typical value: 4 Amps) provide the primary protection for 100 and 115
VAC operation. Fuses F2 and F4 (Typical value: 3 A) provide the primary protection for 200 and 230 VAC
operation. Fuses F1 and F2 are used to protect the transformer connected to J3. Fuses F3 and F4 are used
to protect the transformer connected to J5.
Table 4-12: Soft-Start Fuse Replacement Part Numbers
Fuse
2 A SLO BLO, 3AG
3 A SLO BLO, 3AG
4 A SLO BLO, 3AG
7 A SLO BLO, 3AG
8 A SLO BLO, 3AG
1A 5mm (F1, MXR Switch bd.)
N O T E : Due to inrush currents, all Soft-Start / Voltage Select Board fuses must be of the Slow Blow
type.
DANGER: Always disconnect the Mains power connection before opening the Npaq chassis.
Fuses must not be changed with Mains power applied to unit.
114
Table 4-12 lists the part numbers for the fuses.
Figure 4-5: Soft-Start/Voltage Select Board
Chapter 4
Manufacturer P/N
Littelfuse 313002
Littelfuse 313003
Littelfuse 313004
Littelfuse 313007
Littelfuse 313008
Littelfuse 213001
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Maintenance
Aerotech P/N
EIF00102
EIF00103
EIF00104
EIF00107
EIF00109
EIF00189