SCHNEIDER ELECTRICS SQUARE D HEAVY DUTY SAFETY SWITCH IS DESIGNED TO BE TOUGH, RELIABLE AND PROVIDE EXCEPTIONAL PERFORMANCE IN THE MOST GRUELING CONDITIONS. THEY HAVE BEEN DESIGNED TO HAVE A SIGNIFICANTLY HIGHER DURABILITY THAN A STANDARD SWITCH AND HAVE A DURABILITY THREE TIMES GREATER THAN NEMA STANDARD MAKING IT IDEAL FOR ALL YOUR COMMERCIAL AND INDUSTRIAL NEEDS. ALL HEAVY DUTY SAFETY SWITCHES FEATURE A QUICK-MAKE, QUICK-BREAK OPERATING MECHANISM, A DUAL COVER INTERLOCK, AND A COLOR CODED INDICATOR HANDLE. THIS THREE BLADE NON-FUSIBLE HEAVY DUTY SAFETY SWITCH THAT IS RATED AT 30A WITH A VOLTAGE 600 VAC AND 600 VDC. THIS SHORT CIRCUIT RATING FOR A NON-FUSIBLE SWITCHES IS BASED UPON THE SQUARE D CIRCUIT BREAKERS OR MAG-GARD MOTOR CIRCUIT PROTECTORS CHOSEN AS UPSTREAM PROTECTION THIS SWITCH IS TYPE 3R RATED WITH A GALVANNEALED STEEL ENCLOSURE AND COMES WITH FACTORY INSTALLED VIEWING WINDOW AND ARE SURFACE MOUNTED. THE SAFETY SWITCH HAS A 4-WIRE CONFIGURATION WITH 3 POLES AND ONE SOLID NEUTRAL THAT IS FACTORY INSTALLED. THE DISCONNECT DOES NOT COME WITH LUGS THAT ARE GROUNDED AND MUST BE DONE IN THE FIELD USING A GROUNDING KIT. THE WIRE RANGE FOR THIS SWITCH IS AWG 12...AWG 3 ALUMINIUM AND AWG 14...AWG 3 COPPER. ALL HEAVY DUTY SAFETY SWITCHES ARE TESTED PER UL98 AND NEMA KS1 STANDARDS AND LISTED IN THE UL FILES E2875 AND E154828.