Siemens Low Voltage Circuit Protection Heavy Duty Safety Switches. Type ENCLOSED, SAFETY SWITCH Std UL V. Rating 600VAC A. Rating 100A No. Of Poles 4P F. Rating 60Hz Action DOUBLE THROW Material 304SS Enclosure TYPE 3R. 2-3 point mounting holes. O. Cycles 10000 O. Temperature (-20F-120F) AMBIENT TEMPERATURE Environmental Conditions OUTDOOR