Hoffman Controls 905-347/480 Power Switch 30067439-890 and industrial process systems where

and industrial process systems where thermal stress often causes standard coils to fail

ensuring internal motor components remain shielded from vertical precipitation

debris buildup in the pulley grooves

the housing provides clear physical separation between control and high-voltage wiring

Hoffman Controls 905-347/480 Power Switch 30067439-890 and industrial process systems whereThe Hoffman Controls 905 347 480 is a high performance, single phase SCR power switch specifically engineered for resistive heating applications within industrial and commercial HVACR systems. Operating at 347 480V with a 28A capacity, this unit utilizes advanced zero firing logic to connect resistive loads to line voltage while significantly reducing radio frequency interference (RFI). Designed as a direct, electrically compatible upgrade for the