Replace Internal String Fuse - Delta RPI Series Operation And Installation Manual

Maintenance

6.2 Replace Internal String Fuse

RPI M50A model have internal string fuse in each Positive and Negative DC
connector. The specifications of these fuses are revealed as below.
Item : String Fuse (source 1)
Part number : 0SPF015.T
Rate amp : 15 A
Rate voltage : 1000 V
Manufacturers : Littelfuse
Please check the fuses if the power generation of inverter is abnormal.
1. Switch AC and DC power off and wait until LCD display turn off.
2. Loosen the 6 screws on the front cover. (Figure 6-1)
3. Pull out the fuse holder and check the fuse. (Figure 6-5)
4. Replace the fuse if necessary. (Figure 6-6)
5. Reassemble the inverter. Please be careful the waterproof tape for ensure the
protection degree.
Figure 6-5 : Pull out the fuse
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Item : String Fuse (source 2)
Part number : 10GPV15U0
Rate amp : 15 A
Rate voltage : 1000 V
Manufacturers : Hollyland