| Siemens - FS140 | EMP Shield - SP-120-240-W | |
|---|---|---|
| Surge Capacity | 140 kA | 114 kA |
| Response Time | <1 ns | <1 ns |
| MCOV (L-N, L-G, N-G) | 150 V | 150 V |
| MCOV (L-L) | 300 V | 300 V |
| VPR (L-N, L-G, N-G) | 600 V | 470 V |
| VPR (L-L) | 900 V | 940 V |
| Wire Gauge | 10 AWG | 12 AWG |
| Warranty | 10 years | 10 years |
| UL Listing | UL STD 1449 | UL STD 1449 |
| Military Testing | ? | Many |
| Lowest Price | $225 (amazon) | $329 (watts247) |
VPR: volatage protection rating
MCOV: maximum continuous operating voltage
Siemens - FS140: datasheet
EMP Shield - SP-120-240-W: product page, testing info