Surge Protection Devices (SPD) XEL-PA20S (20kV/20kA Parallel SPD) XEL-PA10S (10kV/10kA Parallel SPD) XEL-PU10-277 (10kV/10kA Parallel SPD with UL1449) XEL-PA10-277 (10kV/10kA Parallel SPD) XEL-P01C-480 (20KV/20KA Series Fused SPD) XEL-P01C-347 (10kV/10kA Series Fused SPD)
