Box Cover Units for Plug Fuses UL/CSA Fuses Circuit PDF file+ 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).File Size: 138KBPage Count: 2 Switches and disconnects | Eaton Go to Bussmann series UL 98/UL 508 disconnect switches. Bussmann series UL 98/UL 508 disconnect switches. Go to CEAG GHG273 Ex-Protected Light Switch. The Double Door Safety Switch and OEM Line Isolation Switch are new designs that offer enhanced safety. ARMS enclosed circuit breaker . Cooper BP/SSU Bussman Switch & Fuse Holder, Gray Bussmann #BP/SSU switch & fuse holder Bussmann mfg Div P1263 Manufactured in United States Cooper Bussmann BP/SRU Fuse Box Cover Unit 4.9 out of 5 stars 11. $18. Bussmann BP/MB-15 15 Amp Edison Base Plug Fuse Circuit Breaker, 125V 4.3 out of 5 stars 75.Reviews: 5 DIY - Build and install a Bussmann RTMR Fuse/Relay Block Part 1 - Introduction This is Part 1 in a series of tutorials that will show you how to build a Bussmann RTMR fuse/relay block. If you’re not familiar with this product, it’s a simple waterproof enclosure that allows you to connect accessories on your vehicle through relays and/or fuses.