DITEK D300M-277/4803YT D300M Series 3-Phase Modular Surge Protection with Integral Disconnect, 277/480V AC

Designed to safeguard critical systems, the DITEK D300M-277/4803YT delivers reliable surge protection for security, surveillance and monitoring infrastructures. This DITEK D300M Series 3-phase modular surge protection module features an integral disconnect so technicians can safely isolate a faulted module without powering down the entire panel—helping preserve uptime for cameras, access control, alarm panels and network equipment. Rated for 277/480V AC operation and compatible across common commercial input voltages, the unit integrates into existing electrical footprints while meeting TAA and RoHS environmental standards. The modular architecture enables quick field replacement of individual elements, reducing maintenance windows and labor costs. Backed by a 10-year limited warranty, the D300M is ideal for fire and security contractors specifying robust, code-friendly protection for mission-critical deployments. Specify the DITEK D300M surge protection module to protect your installations and simplify service—perfect for enterprise surveillance, monitoring hubs and network edge protection. Contact your supplier to configure and install this modular surge solution.

• Protects critical security, surveillance and monitoring equipment from destructive voltage surges to minimize downtime and costly replacements
• Integral disconnect allows safe isolation and fast serviceability, reducing maintenance time and contractor exposure
• Modular 3-phase design provides scalable protection for large electrical systems and simplifies field replacement
• Wide voltage compatibility (including 277/480V AC) supports commercial power systems across fire, security and networking installations
• TAA and RoHS compliance with a 10-year limited warranty delivers regulatory confidence and long-term reliability