Transtector Systems 277VAC 1Pole Single-Phase 2-Wire Modular Protector (I2R-75KS277)

277 Vac, 1-Pole, Single-Phase, 2-Wire, Modular Protector. Modular, 20 kA, single-phase surge protection device engineered for industrial communication applications. Network safety and reliability are built into the I2R 75K series. Engineered using patented safe-fail self-protection design, the I2R SPD couples a high short circuit rating with thermally protected MOV, which eliminates the need for additional overcurrent protection devices.