240/480 Vac, 4-Pole, 3-Phase Delta High-Leg, 5-Wire SPD - Transtector I2R-75KH480

Network safety and reliability are built into the I2R 75K series for industrial applications.  The I2R-75KH480 provides 4-pole, 3-phase delta high-leg, 5-wire surge protection with a nominal discharge current of 10 kA.

Through superior design, each I2R combines a robust 75 kA surge capacity that also eliminates back up fusing requirements thus providing network operators with a quick to install, safe, and reliable product set for AC network surge protection


  • Safe-fail, self-protected design
  • No additional overcurrent protection devices or back up fusing required
  • Reverse chassis direction capability allows cable entry from top to bottom
  • Remote visual status indication
  • IP 20 finger-safe design
  • VPL L-H/L-N 800/1500 Vac, L-G/H-G 1500/2000 Vac, N-G 600 Vac, L-L/H-L 1500/2500 Vac
  • Replacement modules available L1, L3 (I2R-75KR240), L2 (I2R-75KR480), N-G (I2R-75KR120)

Specifications for Transtector I2R-75KH480

240/480 Vac
Mount Type
DIN rail
see specifications
Dimensions (inches)
4.0 x 2.76 x 2.78