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D300M Series Provides Facility-Wide Protection With Replaceable Modules and Service Assurance Features

DITEK’s D300M Series of modular 300kA industrial surge protectors offer professional-grade facility-wide protection, with additional service assurance features to support proactive operational management. Replaceable modules and local and remote monitoring allow for continuing protection.


D300M Series : D300M-277/4803Y

Modular Surge Protective Device - 300kA/Phase

DITEK's D300M industrial surge protectors are designed to meet new construction bid/spec requirements for facility-wide protection. Each model provides a high surge current rating to ensure long service life, and includes service assurance features to support proactive operational management. The D300M-277/4083Y protects 277/480VAC three phase wye panels.

  • 300,000 Amps/phase surge current rating, 150,000 Amps/mode, ensures long service life
  • Visual LED end of life and phase loss indicators
  • Audible alarm with silence button
  • Form C dry contacts for remote monitoring
  • EMI/RFI noise filtering
  • Replaceable SPD module


Model Service Voltage Wiring
D300M-120/2401 120/240V Split 3W + G
D300M-120/2083Y 120/208V Wye 4W + G
D300M-2403D 240V Delta 3W + G
D300M-277/4803Y 277/480V Wye 4W + G
D300M-4803D 480V Delta 3W + G
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