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| Part Number | Maximum Allowable Voltage | Varistor Voltage | Maximum Clamping Voltage | Surge Operating Duty Test IEC 61643-11(8/20μs) | Safety Certification |
|  | VAC | VDC | V1mA(V) | IP(A) | VC(V) | Imax | In | UL /CUL |
34SK201 | 130V | 170V | 200(180~220) | 300 | 340 | 40KA | 20KA | √ |
34SK221 | 140V | 180V | 220(198~242) | 300 | 360 | 40KA | 20KA | √ |
34SK241 | 150V | 200V | 240(216~264) | 300 | 395 | 40KA | 20KA | √ |
34SK271 | 175V | 225V | 270(243~297) | 300 | 455 | 40KA | 20KA | √ |
34SK301 | 190V | 250V | 300(270~330) | 300 | 500 | 40KA | 20KA | - |
34SK331 | 210V | 275V | 330(297~363) | 300 | 550 | 40KA | 20KA | √ |
34SK361 | 230V | 300V | 360(324~396) | 300 | 595 | 40KA | 20KA | √ |
34SK391 | 250V | 320V | 390(351~429) | 300 | 650 | 40KA | 20KA | √ |
34SK431 | 275V | 350V | 430(387~473) | 300 | 710 | 40KA | 20KA | √ |
34SK471 | 300V | 385V | 470(423~517) | 300 | 775 | 40KA | 20KA | √ |
34SK511 | 320V | 415V | 510(459~561) | 300 | 845 | 40KA | 20KA | √ |
34SK561 | 350V | 460V | 560(504~616) | 300 | 925 | 40KA | 20KA | √ |
34SK621 | 385V | 505V | 620(558~682) | 300 | 1025 | 40KA | 20KA | √ |
34SK681 | 420V | 560V | 680(612~748) | 300 | 1120 | 40KA | 20KA | √ |
34SK751 | 460V | 615V | 750(675~825) | 300 | 1240 | 40KA | 20KA | √ |
34SK781 | 485V | 640V | 780(702~858) | 300 | 1290 | 40KA | 20KA | √ |
34SK821 | 510V | 670V | 820(738~902) | 300 | 1355 | 40KA | 20KA | √ |
34SK911 | 550V | 745V | 910(819~1001) | 300 | 1500 | 40KA | 20KA | √ |
34SK951 | 575V | 760V | 950(855~1045) | 300 | 1570 | 40KA | 20KA | √ |
34SK102 | 625V | 825V | 1000(900~1100) | 300 | 1650 | 40KA | 20KA | √ |
34SK112 | 680V | 895V | 1100(990~1210) | 300 | 1815 | 40KA | 20KA | √ |
34SK122 | 750V | 980V | 1200(1080~1320) | 300 | 1980 | 40KA | 20KA | √ |
34SK142 | 880V | 1140V | 1400(1260~1540) | 300 | 2310 | 40KA | 20KA | - |
34SK162 | 1000V | 1280V | 1600(1440~1760) | 300 | 2640 | 40KA | 20KA | - |
34SK182 | 1100V | 1465V | 1800(1620~1980) | 300 | 2970 | 40KA | 20KA | - |