The PowerMaster 24-41000 CH-101 NEMA 4 Modified Operator is a heavy-duty, industrial-class door operator engineered to deliver reliable performance in harsh, wet, or contaminated environments. Equipped with a 1HP, single-phase motor, this operator provides powerful and efficient control for commercial sectional doors, rolling steel doors, and high-cycle industrial applications.
The NEMA 4 modified enclosure ensures superior protection against water spray, humidity, dirt, and corrosive contaminants, making it ideal for car washes, outdoor installations, food-processing facilities, chemical environments, agricultural sites, and any location requiring a sealed and ruggedized control system.
Built with precision gear reduction, durable components, and compatibility with modern access control and safety systems, the CH-101 offers smooth operation, long service life, and reduced maintenance. It supports a full range of accessories, including monitored photo eyes, radio controls, safety edges, keypads, and automation modules.
