This 240-V breaker is light, quick, and strong, providing efficient concrete breaking. A hollow piston percussion system with a rod striker and shockwave-optimized percussion system provides high breaking output with single-stroke energy. The EH 70/240 offers the high power to weight ratio hitting with 70 Joules and weighs 57 lbs.The breaker can be plugged into any construction-grade 5000-W portable generator and its motor delivers three-phase power to ensure the tool hits the concrete with consistent, hard blows. Wacker Neuson Corp. 800-770-0957.