Qalabka ilaalinta qulqulka (SPD) waa aalad lama huraan u ah ilaalinta hillaaca qalabka elektarooniga ah. Waxaa loo isticmaalaa in lagu xaddido danabka xad-dhaafka ah ee degdegga ah ee khadka korontada iyo khadka gudbinta calaamadaha ilaa heerka danabka ee qalabku ama nidaamku u adkeysan karo, ama danab xoog leh ayaa ku daadanaya dhulka si uu qalabka ama nidaamka la ilaaliyo uga ilaaliyo saameynta iyo burburka.
| Korontada IEC | 150 | 275 | 320 | 385 | 440 | ||
| Danab AC oo Magac ah (50/60Hz) | 120V | 230V | 230V | 230V | 400V | ||
| Danabka Hawlgalka Joogtada ah ee Ugu Badan (AC) | (LN) | Uc | 150V | 275V | 320V | 385V | 440V |
| (N-PE) | Uc | 255V | |||||
| Hadda Soo Daadinta Magaca ah (8/20μs) | (LN)/(N-PE) | In | 10kV/10kA | ||||
| Hadda ugu Badan ee Soo Daadinta (8/20μs) | (LN)/(N-PE) | Imax | 20kA/20kA | ||||
| Heerka Ilaalinta Danabka | (LN)/(N-PE) | Up | 0.6kV/1.5kV | 1.3kV/1.5kV | 1.5kV/1.5kV | 1.5kV/1.5kV | 1.8kV/1.5kV |
| Raac Qiimaynta Joojinta Hadda | (N-PE) | Ifi | 100 GACMOOD | ||||
| Waqtiga Jawaabta | (LN)/(N-PE) | tA | <25ns/<100ns | ||||
| Fiyuuska Dib-u-soo-celinta (ugu badnaan) | 125A gL /gG | ||||||
| Qiimaynta Hadda ee Wareegga Gaaban (AC) | (LN) | ISCCR | 10kA | ||||
| TOV waxay u adkaysataa 5s | (LN) | UT | 180V | 335V | 335V | 335V | 580V |
| TOV 120 daqiiqo | (LN) | UT | 230V | 440V | 440V | 440V | 765V |
| qaab | Iska caabbin | Guuldarro Ammaan ah | Guuldarro Ammaan ah | Guuldarro Ammaan ah | Guuldarro Ammaan ah | ||
| TOV wuxuu u adkaystaa 200ms | (N-PE) | UT | 1200V | ||||
| Heerkulka Hawlgalka Kala Duwan | -40ºF ilaa +158ºF[-40ºC ilaa +70ºC] | ||||||
| Qoyaanka Hawlgalka ee La Ogol yahay | Ta | 5%…95% | |||||
| Cadaadiska iyo dhererka jawiga | RH | 80k Pa..106k Pa/-500m..2000m | |||||
| Terminalka Ku marooji Xuddunta | Mmax | 39.9 lbf-in[4.5 Nm] | |||||
| Qaybta Isgoyska Kondurka (ugu badnaan) | 2 AWG (Adag, Xariijisan) / 4 AWG (Dabacsan) | ||||||
| 35 mm² (Adag, Xariiq leh) / 25 mm² (Dabacsan) | |||||||
| Ku rakibidda | Tareenka DIN 35 mm, EN 60715 | ||||||
| Heerka Ilaalinta | IP 20 (ku dhex jira) | ||||||
| Qalabka Guryaha | Heerkulbeegga: Shahaadada Bakhtiinta UL 94 V-0 | ||||||
| Ilaalinta Kulaylka | Haa | ||||||
| Xaaladda Hawlgalka / Calaamadda Ciladda | Cagaar fiican / Cilad cas | ||||||
| Awoodda Beddelka Xiriirada Fog (RC) / RC | Ikhtiyaar ah | ||||||
| Qaybta Iskutallaabta Kondurka RC (ugu badnaan) | AC:250V/0.5A;DC:250V/0.1A;125V/0.2A;75V/0.5A | ||||||
| 16 AWG (Adag) / 1.5 mm² (Adag) | |||||||