MERSEN, Three Phase, 240V AC Delta, Surge Protection Device - 491G62|STP240D07 - Grainger
10020/4ENCM - Type 1+2+3, 50KA (Level 3/4), 3 phase device with indication, complete in IP65 polycarbonate enclosure, including a 3 pole 63AMP MCB - Surge Devices
2910386 - Surge Protection Devices (SPD) (Phoenix Contact) - Power/Mation
Surge Protection Device 3 Pole and Neutral 275 V, with indication | ARB Electrical Wholesalers
Amazon.com: Leviton 32120-DY3 120/208 Volt 3-Phase Wye Or Delta, Surge Panel, DHC and X10 Compatible, 80Ka L-N Max Surge Current : Electronics