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The Allen-Bradley 1771-OW16K is an electromechanical relay contact output module featuring 16 outputs and a protective conformal coating, making it suitable for use in harsh environments exposed to humidity and chemicals like acid, ammonia, chlorine, and nitrogen. This module operates within a compatible 1771 chassis, requiring a maximum current load of 1.3 A and delivering a continuous current of 1440 VA for AC and 1280 W for DC with a maximum switching frequency of 1/3 Hz. Designed for reliability, it includes 16 LED status indicators for each relay, ensuring clear visual feedback whenever a relay is energized, and requires careful positioning and key placement to prevent damage and ensure system integrity.