The EATON mv VCPW-HD medium voltage vacuum breaker exceeds user expectations with unmatched reliability and space saving design. The VCPW-HD seal protects against dust and contaminants, and provides long lasting equipment life. It is ideal for high altitude, light shock, vibration, and high ambient temperature. The VCPW-HD is also the clear choice for environmentally conscious users because it is free of hazardous SF6 gas. It is tested and certified in accordance with IEEE C37.06, C37.09, and C37.10.