What the 80 kA and 275 V ratings mean for your panel
The ABB 2CTB815710R0700 is an OVR surge protection device rated for a maximum continuous voltage of 275 V and a maximum surge current of 80 kA — that 80 kA figure defines the single-event survival limit, not the continuous load. A direct lightning strike or major utility switching transient that exceeds this level will sacrifice the MOV elements to protect downstream equipment.
Sourcing and availability for the BOM line
The ABB 2CTB815710R0700 is sourced through independent distribution channels.