The Model 1000 Power Inverter provides backup power for a single-gated Access Control System when primary AC power fails. Maintain a fully operational Access Control System during power outages and brown-outs. Ideal for residential and commercial applications with a single-gate system. 1000W (P/N 1000-083) can be used to power a single 1/2 HP, (2) 1/2 HP gate operator system or a single 1 HP gate operator system when operating continuously.