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Maintenance
5.2 Replace Internal String Fuse
RPI M80 series models have internal string fuse in each positive and negative
DC connector. The specifications of these fuses are described below.
The RPI M80U
equips with fuses which are enclosed with Dead Front Fuse
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Holders inside the wiring box compartment. The Dead Front Fuse Holders are
designed for "Finger Safe" (Do not worry use your finger to touch and open the
lid of fuse holder) and feature LED indication for easy checking. The "Finger Safe"
design provides optimimum safety levels to protect the person who replace the
string fuses. The following figure shows the detail for string fuses replacement.
①
②
LED indicating
Finger-safe fuse
when Fuse is interrupted
holder
Figure 5-5 : LED indicator on fuse holder
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