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Power ControllersAccessoriesSemiconductor Fuse SelectionGuidelinesThe following steps will help youidentify the proper semiconductorfuse for your application.1. Semiconductor fuses are requiredfor SCR protection.2. In North America, semiconductorfuses are considered a specialtyfuse and not yet approved forbranch circuit or cable protection.3. All fuses should be rated at125 percent of the connectedload (or the next standard fuserating above 125 percent). Do notexceed 160 percent of theDIN-A-MITE.For example:A 30 amp Style B DIN-A-MITE witha 20 amp connected load shoulduse a 25 amp semiconductorfuse.4. Due to special applications,cooler ambient temperatures,small loads, etc., the connectedload should be the determiningfactor—although thesemiconductor fuse I 2 t rating mustnot exceed the SCR I 2 trequirement.The following charts may bemodified following the above guidelines.Semiconductor Fuses forDIN-A-MITE Power ControllersStyles A, B, C and D…Can Also BeUsed For VPAC and SSRsDIN-Rail Mount Semiconductor Fuses and HoldersFuse Amp Fuse Voltage Watlow Ferraz Bussman Equiv. WatlowRating Rating Fuse Part No. Fuse Part No. Fuse Part No. Holder Part No.12 600 17-8012 H330011 FWC-12A10F 17-511020 600 17-8020 K330013 FWC-20A10F 17-511025 600 17-8025 L330014 FWC-25A10F 17-511032 700 17-8030 M330015 FWP-32A14F 17-511440 700 17-8040 A93909 FWP-40A14F 17-511450 700 17-8050 B093910 FWP-50A14F 17-511463 700 17-8063 T094823 FWP-63A22F 17-512265 660 0808-0096-0000 N /A 170N3437 See Note 180 700 17-8080 A94829 FWP-80A22F 17-5122100 700 17-8100 N/A FWP-100A22F 17-5122DimensionsDWNote 1: Replacement fuse for DIN-A-MITE Style D.Note 2: On part number 17-8030 the Ferraz fuse is a 32 ampere fuse.DIN-Rail Mount Fuse Holders Maximum DimensionsHolder Part No. Height Width Depth Fuse Typemm (in.) mm (in.) mm (in.) (mm)17-5110 81 (3.18) 18 (0.71) 61 (2.40) 10 X 3817-5114 95 (3.74) 26 (1.02) 79 (3.11) 14 X 5117-5122 128 (5.04) 35 (1.38) 83 (3.29) 22 X 58HCE Filters for DIN-A-MITE ProductsCode Number Description Stocked14-0017 Single-phase, series connected filter Yes14-0018 Three-phase, series connected filter Yes14-0019 Single-phase, parallel connected filter Yes14-0020 Three-phase, parallel connected filter YesNote: There is a one year limited warranty on CE filters.288