Siemens SED2 VFD NEMA Operating Instructions Manual page 63

Fuses
Verify that 120 Vac power is available on the secondary side of the power transformer. If
power is not proper, check the Bypass components, such as:
•
Power transformer
•
Power transformer fuses (F1, F2, and F3). Table 8 provides fuse replacement
information.
Voltage
208V
240V
480V
575V
Voltage
208V
240V
480V
575V
Siemens Building Technologies, Inc.
Table 10. Fuse Replacement Information.
NEMA Type 3R Bypass Enclosure ABC
250 VA Transformers
Primary Fuse (F1 and F2)
Bussmann/Littlefuse LP-CC-3.5
Bussmann/Littlefuse LP-CC-3.2
Bussmann/Littlefuse LP-CC-1.6
Bussmann/Littlefuse LP-CC-1.25
NEMA Type 3R Bypass Enclosure DE and F
750 VA Transformers
Primary Fuse (F1 and F2)
Bussmann/Littlefuse LP-CC-9
Bussmann/Littlefuse LP-CC-8
Bussmann/Littlefuse LP-CC-4.5
Bussmann/Littlefuse LP-CC-3.5
Troubleshooting
Secondary Fuse (F3)
Bussmann/Littlefuse LP-CC-3.5
Bussmann/Littlefuse LP-CC-3.5
Bussmann/Littlefuse LP-CC-3.5
Bussmann/Littlefuse LP-CC-3.5
Secondary Fuse (F3)
Bussmann/Littlefuse LP-CC-10
Bussmann/Littlefuse LP-CC-10
Bussmann/Littlefuse LP-CC-10
Bussmann/Littlefuse LP-CC-10
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