Lub cuab yeej tiv thaiv hluav taws xob (SPD) yog ib qho cuab yeej tseem ceeb rau kev tiv thaiv xob laim ntawm cov khoom siv hluav taws xob. Nws yog siv los txwv qhov hluav taws xob overvoltage tam sim ntawd ntawm cov kab hluav taws xob thiab cov kab xa xov mus rau qhov voltage ntau yam uas cov khoom siv lossis lub kaw lus tuaj yeem tiv taus, lossis Lub zog xob laim muaj zog ntws mus rau hauv av los tiv thaiv cov khoom siv lossis lub kaw lus tiv thaiv los ntawm kev cuam tshuam thiab kev puas tsuaj.
| IEC Hluav Taws Xob | 150 | 275 | 320 | 385 | 440 | ||
| Lub zog AC nominal (50 / 60Hz) | 120V | 230V | 230V | 230V | 400V | ||
| Qhov Siab Tshaj Plaws Ua Haujlwm Txuas Ntxiv Mus (AC) | (LN) | Uc | 150V | 275V | 320V | 385V | 440V |
| (N-PE) | Uc | 255V | |||||
| Tam sim no tso tawm nominal (8 / 20μs) | (LN)/(N-PE) | In | 10kV/10kA | ||||
| Qhov Siab Tshaj Plaws Tawm Tam Sim No (8 / 20μs) | (LN)/(N-PE) | Imax | 20kA/20kA | ||||
| Qib Kev Tiv Thaiv Voltage | (LN)/(N-PE) | Up | 0.6kV/1.5kV | 1.3kV/1.5kV | 1.5kV/1.5kV | 1.5kV/1.5kV | 1.8kV/1.5kV |
| Ua raws li qhov kev ntsuas cuam tshuam tam sim no | (N-PE) | Ifi | 100ARMS | ||||
| Lub Sijhawm Teb | (LN)/(N-PE) | tA | <25ns/<100ns | ||||
| Fuse thaub qab (max) | 125A gL / gG | ||||||
| Kev Ntsuas Tam Sim No Luv (AC) | (LN) | ISCCR | 10kA | ||||
| TOV Tiv taus 5s | (LN) | UT | 180V | 335V | 335V | 335V | 580V |
| TOV 120 feeb | (LN) | UT | 230V | 440V | 440V | 440V | 765V |
| hom | Tiv taus | Kev Ua Tsis Tau Zoo | Kev Ua Tsis Tau Zoo | Kev Ua Tsis Tau Zoo | Kev Ua Tsis Tau Zoo | ||
| TOV Tiv taus 200ms | (N-PE) | UT | 1200V | ||||
| Kev Ua Haujlwm Kub Ntau | -40ºF txog +158ºF [-40ºC txog +70ºC] | ||||||
| Kev Ua Haujlwm Av noo uas tso cai | Ta | 5%…95% | |||||
| Lub zog ntawm huab cua thiab qhov siab | RH | 80k Pa..106k Pa/-500m..2000m | |||||
| Lub Rooj Sib Tw Ntsia Hlau | Mmax | 39.9 lbf-in [4.5 Nm] | |||||
| Tus Neeg Txuas Lus hla seem (max) | 2 AWG (Khoom, Xaws) / 4 AWG (Yoog Tau) | ||||||
| 35 mm² (Khoom, Xaws) / 25 mm² (Yoog Tau) | |||||||
| Kev Teeb Tsa | 35 hli DIN Rail, EN 60715 | ||||||
| Qib Kev Tiv Thaiv | IP20 (ua ke) | ||||||
| Cov Khoom Siv Vaj Tse | Thermoplastic: Qib Tua Hluav Taws UL 94 V-0 | ||||||
| Kev Tiv Thaiv Kub | Yog | ||||||
| Kev Ua Haujlwm Lub Xeev / Kev Qhia Txog Qhov Tsis Zoo | Ntsuab ok / Liab tsis zoo | ||||||
| Kev Sib Txuas Lus Chaw Nyob Deb (RC) / RC Switching Peev Xwm | Xaiv tau | ||||||
| RC Conductor Cross Section (max) | AC: 250V / 0.5A; DC: 250V / 0.1A; 125V / 0.2A; 75V / 0.5A | ||||||
| 16 AWG (Khoom) / 1.5 mm² (Khoom) | |||||||