Well-balanced, easy-to-use circuit breakers, ergonomically smooth design for operator comfort. robust latch retainer allows quick and easy tool change. hard hit, excellent power-to-weight ratio reduces operator fatigue. modern, rugged design with few moving parts improves reliability and reduces maintenance downtime.The integral lubricator (except the 15 kg model) offers the ability to increase switch reliability by reducing wear and allows easier movement than the conventional air line lubricator.highly efficient vibration-damped handles increase operator comfort and safety, maximize switch output on the job.lower noise levels and lower vibration allow for higher productivity while reducing exposure to potentially harmful hazards.