STP-301/451 Series Instruction Manual
11-10
Troubleshooting
11.3.2 Replacing the Fuses
◇ Remove the probable causes of the blown fuse (Ex. a problem with the remote input
signal, and other) before replacing the fuse.
◇ Always use specified and rated fuses.
◇ When you use parts other than those recommended in the above table, contact
Service Office.
◇ If fuses are blown frequently even after they are replaced, contact Service office.
◇ Two fuses are attached for replacement.
The following are protective fuses used in the STP control.
F1, F2: 250 V, 10 A
For I/O TB1 remote input/output terminal protection.
For power input (1) and (2) and power output (3) and (4) protection.
Table 11.5 Recommended Spare Parts
Product name Type Specifications
Fuses for F1, F2
MF60-NR10 10A, 250 V
(Mfr.: TOYO FUSE CO., LTD)
10A, 250 V, Normal acting type
φ6.35×30 mm
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