Manufacturers / parameters / prices / quotes / agent of social development more information and modernization, the more dependent on electricity, a sudden power failure is bound to order a normal life of people socially disruptive, especially important for a load in the load, once accident interrupted power supply, will result in significant political influence or economic loss, however, strong sudden power failure, often not to the people's will, because both have to be strict management of the electricity sector, power facilities, and then advanced, power outages are inevitable. "Fire protection design of tall buildings," "civil electrical design specifications" on the strict rules: "a load by two power supply, when a power failure occurs, the other power supply should not be damaged while a load. particularly important loads, in addition to the two power supply, it must also additional emergency power. "emergency power grid should be electrically separate various power, fire inspection is necessary equipment. Sea-products have the following features: 1. When the electric power grid, in static, no noise; when there is electricity, less than 55db. Did not need to smoke like a diesel generator sets, shock treatment. But also pollution-free, no fire hazard characteristics. 2. The automatic switching, enabling unattended, energy, power grid and EPS power supply switching times are mutually 0.1 ~ 0.25S (increased fast switching devices can reach 10ms or less) 3. Strong load capacity, EPS adapt to electricity inductive, capacitive, and comprehensive load of equipment, such as elevators, pumps, fans, office automation equipment, emergency lighting. 4. Use a reliable host for more than 20 years of life. 5. harsh environments, can be placed in the basement or distribution room, or even close to building silos in  can use spaces in place contingency load settings to reduce power lines. 6. For some larger power electricity facilities, such as: fire pumps, fans, EPS can also be connected directly to the inverter and the motor starts, and then enter the normal operating state, eliminating the need for soft-start motor and control box settings. 7. As emergency lighting power supply, you can save the second set of emergency lighting, normal lighting can double as emergency lighting use. 8. Emergency Standby time: Standard for 90 minutes, may be longer or shorter. So is resolved EPS emergency lighting, emergency lighting, fire facilities, a load of power supply as the main goal, to provide emergency power system for compliance with fire codes with independent circuits, the system can provide emergency power supply in an emergency state, to only way to resolve the emergency mains electricity or lack of secondary supply, or replace backup power generators constitute or as occasion required the use of a third power. 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