Common fuse ratings to stock

WPC games mostly use 750 mA, 2.5 A, 3 A and 5 A slow-blow and 8 A normal-blow fuses. System 11 games use 100 mA, 250 mA, 2 A, 4 A and 7 A slow-blow and 5 A and 8 A normal-blow fuses.

Systems

• Williams System 11
• Williams System 11A
• Williams System 11B
• Williams System 11C
• WPC Alpha-Numeric
• WPC Dot Matrix
• WPC Fliptronics
• WPC DCS
• WPC-Security (WPC-S)
• WPC-95

Related tips

• Fuse ratings to stock for System 11
• WPC-89/WPC-S driver board fuse ratings
• WPC-95 driver board fuse ratings
• Testing fuses with a meter
• Find what is blowing a fuse
• WPC-95 line fuse
• Power supply board fuses (typical game)
• Auxiliary power driver board fuses

Source: Pinball Machines: How They Work & Troubleshooting, Norbert Snicer