Circuit Protection Box Cover Units UL/CSA Fuses Current Limiting Box Cover Units for Plug Fuses For Plug Fuses Fuse Holder On/Off Switch Receptacle Switch Light UL/CSA Fuses General Purpose Plug fuse box cover units provide a simple, inexpensive way to protect small motors with Edison-type “T”, “TL”, “TC”, “P” and “W” plug fuses. Box cover units are easily installed in standard electrical boxes. By using fuses sized at the amp rating of a motor or slightly larger, optimum overload and short-circuit protection is provided. Box cover units are UL Listed. SSY-RL Box Cover Cat. No. Type Box SOU SRU 2 1⁄4" Handy X X SOY X SRY X SSY X 4" Square UL, CSA 125V, 15A UL ⁄2 Hp 125Vac (do not use on DC), 15A UL, CSA ⁄4 Hp 125V, 15A UL, CSA ⁄2 Hp 125V, 15A UL ⁄2 Hp 125Vac (do not use on DC), 15A UL, CSA ⁄4 Hp 125V, 15A UL, CSA ⁄2 Hp 125V, 15A UL ⁄2 Hp 125Vac (do not use on DC), 15A UL, CSA ⁄4 Hp 125V, 15A UL, CSA ⁄2 Hp 125V, 15A UL ⁄2 Hp 125Vac (do not use on DC), 15A UL, CSA 1 X 1 X 1 3 X SSX 125V, 15A ⁄2 Hp 3 X X 1 X 1 3 X 1 X X X X 1 X 125Vac (do not use on DC), 15A — ⁄2 Hp* 125Vac (do not use on DC)*, 15A UL 125Vac (do not use on DC); can protect two motors**, 15A UL X X* 1 SCY** X X(2)** 1 X SKA 4 11⁄16" Square SSN Single Gang X X(15A) X X ⁄2 Hp(2)** 3 ⁄4 Hp 125V, protects two motors, 15A UL 2 Hp 250V, 15A single-phase UL ⁄2 Hp 125V, 15A Weatherproof UL 1 Medium Voltage Fuses ⁄2 Hp 1 STY* SOY-B + X X 4" Octagon ⁄4 Hp 1 X SOX General Data Agency† Listing/ Certification Canadian Fuses & Holders SSW SSY-RL X X 2 3⁄4" Switch Motor Size (Max.) 3 X SOW SRX Switch Switch Control+ Light++ X SSU SRW Receptacle Outlet to Load 125Vac 250Vac Fuseholder Single Double Special Purpose Fuses Selection Data — Plug Fuse Box Cover Units Switch turns power to fused load OFF or ON. ++ Switch light indicates power to load (dark when switch OFF or fuse open). * Double-pole switch opens both sides of circuit. STY can be used for two separate 125V motors not larger than 1⁄2 Hp with the common switch, or a single motor not larger than 2 Hp at 250V (Maximum of 150V to ground). ** The SCY unit can be used for protection of a single motor not larger than 2Hp at 250V (Maximum of 150V to ground). Fuse Blocks, Holders & Misc. † UL Guide JAMZ, File E6491; CSA Class 6225-01, File 47235. Application Section For additional information, visit www.edisonfuse.com 137 2 1⁄4˝ Handy Boxes UL/CSA Fuses General Purpose UL/CSA Fuses Current Limiting Box Cover Units for Plug Fuses SOU 2 3⁄4˝ Switch Boxes SRU SSU SOW SSW 4-11⁄16˝ Square Boxes SOX SRX SSX SKA 4˝ Square Boxes Medium Voltage Fuses Canadian Fuses & Holders Special Purpose Fuses 4˝ Octagon Boxes SRW SRY SSY SSY-RL Fuse Blocks, Holders & Misc. SOY STY SCY Application Section SOY-B 138 For additional information, visit www.edisonfuse.com SSN