Zoo siab nrog rau Prosurge Electronics rau nws UL1449 4th teev hom 1 vaj huam sib luag mount surge tiv thaiv ntaus ntawv (SPD) rau lub hwj chim faib txee ntawm Chilean Observatory, muab kev ruaj ntseg surge tiv thaiv rau cov khoom.

ProsurgeUL1449 4th teev hom 1 surge vaj huam sib luag (lub thawv hom wallmount SPD) yog kuaj raws li UL1449 4th tsab, nrog SCCR 200kA thiab nrog thermally tiv thaiv MOV techology, uas yog lub siab tshaj plaws txhim khu kev qha surge tiv thaiv technology ntawm lub ntiaj teb no.