SMP50-100 TELECOM EQUIPMENT PROTECTION: TRISIL
SMP50-120 TELECOM EQUIPMENT PROTECTION: TRISIL
SMP50-130 TELECOM EQUIPMENT PROTECTION: TRISIL
SMP50-180 TELECOM EQUIPMENT PROTECTION: TRISIL
SMP50-200 TELECOM EQUIPMENT PROTECTION: TRISIL
SMP50-220 TELECOM EQUIPMENT PROTECTION: TRISIL
SMP50-240 TELECOM EQUIPMENT PROTECTION: TRISIL
SMP50-270 TELECOM EQUIPMENT PROTECTION: TRISIL
SMP50-320 Trisil for telecom equipment protection
SMP50-62 TELECOM EQUIPMENT PROTECTION: TRISIL
SMP50-68 TELECOM EQUIPMENT PROTECTION: TRISIL
SMP50-XX TELECOM EQUIPMENT PROTECTION: TRISIL?