Lighting Control Cabinets

An example is a NEMA-rated cabinet housing a programmable controller, transfer switch, and UPS battery backup that automatically manages roadway or signal lighting and switches to backup power during utility outages. These systems are commonly deployed at intersections, along highways, and in ITS communication networks.

Most outdoor lighting control cabinets require a NEMA/UL Type 3R rating, which protects internal components from rain, sleet, and other outdoor elements. Type 3R aluminum enclosures are commonly used to house UPS modules, batteries, and transfer switches while withstanding harsh weather conditions in roadway and traffic environments.

Backup duration depends on the UPS module wattage and number of batteries installed, ranging from 350W to 2000W configurations with up to four batteries. Programmable temperature-compensated chargers and optional generator transfer switches can extend runtime significantly during prolonged utility outages.

Yes, most cabinets are designed to be compatible with NEMA M, P, and 336 cabinet standards as well as Advanced Transportation Controller (ATC) specifications, allowing them to integrate with existing traffic signal and ITS infrastructure without requiring custom retrofits.

Advanced systems include colored LCD touchscreens, AlphaGuard, and Remote Battery Monitoring System (RBMS) Plus, which provide real-time battery balancing, optimization, and remote status monitoring—helping maintenance teams identify issues before they cause a power failure at the intersection or lighting installation.

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