ABB's PowerLine DPA is an online double conversion UPS and makes the advantages of ABB's unique modular UPS architecture available for locations that are often coarse on electronic equipment. The PowerLine DPA is based on ABB's Decentralized Parallel Architecture (DPA), which provides the best UPS design in terms of availability, flexibility, cost and ease of use. Its rugged design is suitable for industrial plant environments with a range of temperatures, dust, humidity and corrosive contaminants. The PowerLine DPA is designed to have a design life of 15 years.