Product details:

Surge Protection Device, Voltage 240V AC, Phase 1, Voltage Protection Rating 1000V (H-N, L-N, N-G), 1800V (H-G, H-L, L-G, L-L), Max. Continuing Operating Voltage 320V AC, Nominal Discharge Current 20 A, Modes of Protection L-N, N-G, Mounting Location Externally Mounted, Filtering No, Modular No, Color Gray, Mounting Style Chase Nipple/Panel, Enclosure NEMA Rating 4X, Basic Material Nonmetallic, System Connection Parallel, Max. Surge Current per Phase 50 kA, Short Circuit Current Rating 200kA