UL Listed open Type 1 DIN-Rail 1-, 2-, 3- and 4-pole SPDs

The Bussmann™ series UL Listed open Type 1 surge protective devices feature a high 200 kA SCCR. Replaceable arrestor modules are mechanically coded with the base to ensure against installing an incorrect replacement. The unique module locking system fixes the module to the base, and allows it to be easily replaced without tools by simply depressing the release buttons.