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LX25D Varistor
Standard of product execution
This product meets the standard: GB18802.1-2011 GB/T27746-2011
Model naming

Typical shape


Model Meaning
R1-2B R1:OBO type 2:Electrode model B:Welds
R2-1B R2:Shield type 1:Electrode model B:Welds
XDL-3C XDL:Citel type 3:Electrode model C:Package sheet
A:MOV A piece of silver B:Welds C:MOV Package sheet  
Current rating


Nominal equivalent diameter(mm) 14 20 25 32 40 50
Standard level(S)
Nominal discharge current In(kA) 2.5 4 6 10 20 25
Maximum discharge current Imax(kA) 5 8 12 20 40 60
Wide wave shock current ILP(A) 27 45 72 112 180 270
High pressure flow level(H)
Nominal discharge current In(kA) 3 5 8 12.5 20 30
Maximum discharge current Imax(kA) 6 10 16 25 50 70
Wide wave shock current ILP(A) 34 57 90 140 225 335
UHV current level (U)
Nominal discharge current In(kA) 4 6.5 10 16 26
Maximum discharge current Imax(kA) 8 13 20 32 65
Wide wave shock current ILP(A) 45 75 115 180 290
Grade current IcI(A) 50 100 150 200 300 450
+25℃ Lower DC leakage current Ild ≤ (uA 15 20 25 35 40 40
+85℃ Lower DC leakage current Ild ≤ (uA) 30 30 40 40 40 60

For details, please refer to: voltage sensitive resistor (MOV) specification for SPD in low voltage systems

Voltage rating
Varistor voltage Un(V)(U1mA) Maximum continuous voltage(V) Limited voltage(V)
Communication Uc Direct Ucd Grade limit voltage Ucic Limited voltage under In Ucin
205 130 170 340 520
220 140 180 260 550
240 150 200 395 605
275 175 225 455 695
300 195 250 505 770
330 210 270 545 835
360 230 300 595 910
390 250 320 650 985
430 275 350 710 1090
470 300 385 775 1190
510 320 410 845 1290
560 350 450 930 1420
620 385 505 1025 1575
680 420 560 1120 1720
750 460 615 1240 1900
820 510 670 1355 2070
910 550 745 1500 2300
1000 625 825 1650 2530
1100 680 895 1815 2780
1200 750 1060 2000 3040
1300 810 1150 2160 3300
technical parameter
Model Varistor voltage Un(U1mA) Maximum continuous operating voltage Nominal discharge current(8/20us) Maximum discharge current(8/20us) Maximum limit voltage UcIn
Uac Udc In Imax (Limited voltage under In)
V V V kA kA V
LX25D301K 300 195 250 12 25 770
LX25D331K 330 210 270 12 25 835
LX25D361K 260 230 300 12 25 910
LX25D391K 390 250 320 12 25 985
LX25D431K 430 275 350 12 25 1090
LX25D471K 470 300 385 12 25 1190
LX25D511K 510 320 410 12 25 1290
LX25D561K 560 350 450 12 25 1420
LX25D621K 620 385 505 12 25 1575
LX25D681K 680 420 560 12 25 1720
LX25D751K 750 460 615 12 25 1900
LX25D821K 820 510 670 12 25 2070
LX25D911K 910 550 745 12 25 2300
LX25D102K 1000 625 825 12 25 2530
LX25D112K 1100 680 895 12 25 2780
LX25D122K 1200 750 1060 12 25 3040
LX25D132K 1300 815 1150 12 25 3290
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