The Big Switch 500 is a heavy-duty switch which boasts a 500 Amp continuous rating due to its unique internal silver tin oxide pads and silver-plated terminals. The rugged body is made from glass-filled nylon for impact resistance and extreme temperature resistance. The Big Switch 500 can withstand extreme vibration, making it ideal for both the racing and heavy-duty trucking markets. The FR1046 comes with our standard lock-out bracket for compliance with OSHA lock-out/tag-out regulation 1910.147.;Part No.;FR1046;Max Continuous Current;500 Amps;Water Resistant;Yes;Operating Temperature Range;-40�C to +80�C / -40�F to +176�F;Contact Terminals;Silver-Tin Oxide Plated Copper;Available Stud Length;1.18 (approx. 1-3/16 in);LED On/Off Indicator;No;Lock-Out Capability;Yes;Max Tightening Torque;11-13 ft. lbs.;Mounting Bracket Included;Yes;Stud Diameter;M10;Voltage;12/24V