NEMA Load Switch Model 200-OI 4000 This clear and concise sign

This clear and concise sign provides immediate awareness in advance of a regulatory speed zone change

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NEMA Load Switch Model 200-OI 4000 This clear and concise signThe standard in the traffic industry the Model 200 OI series load switches are designed for use in traffic signal systems and compatible with TS1, TS2 and Type 170 cabinets in accordance with the NEMA Standard. It is designed to allow the TRIAC device to operate with the full load current at high temperature (+175F) without exceeding the manufacturer Maximum Allowable Case Temperature TRIAC device specification. The Model 200 OI comes with additional