WR-25D Zinc Oxide Surge Protection Device DC MOV

Contact Now
WR-25D Zinc Oxide Surge Protection Device DC MOV
dc mov, surge protection device
surge protection device, zinc mov
Silver bare chip
Size φ31.8
Packing size φ32.5
MOV(metal oxide varistors)
WR-25D zinc oxide surge protector DC MOV code annotation diagram
The main technical index
Model specification 34S511K  34S621K  34S751K 
Packing size 459~561 558~682 675~825
Maximum continuous operating voltage 320VAC 385VAC 460VAC
Dc leakage current ≤15μA
Nominal discharge current 15kA
Maximum discharge current 30 kA
Maximum limiting voltage  ≤1.4kV(at10kA) ≤1.6kV (at10kA)  ≤1.8kV (at10kA) 
Electrode surface coating Silering
Thichness tmax(mm) 6.1mm 6.6mm 6.6mm
Storage conditions 1) Storage temperature:-10℃~+40℃  2) Relative humidity:<75%RH 3) This product can’t place in a bare place and can’t be stored in an environment exposed to corrosive gases or direct sunlight.
Operating temperature -40℃~+85℃
Sign Can laser marking on the surface of mov(packing material)
Production range and parameters
Type Varistor voltage V1mA V Tolerance range V1mA % Maximum allowable voltage Clamping voltage(Max.) Maximum Peak Current(8/20μs) Nominal Peak Current(8/20μs) Energy(2ms)
U ac V U dc V U p  V I A Imax KA In KA E J
WRA25D471K 470 ±10 300 385 775 200 30 15 390
WRA25D511K 510 ±10 320 415 845 200 30 15 430
WRA25D561K 560 ±10 345 460 925 200 30 15 490
WRA25D621K 620 ±10 385 505 1025 200 30 15 550
WRA25D681K 680 ±10 420 560 1120 200 30 15 600
WRA25D711K 710 ±10 440 585 1180 200 30 15 630
WRA25D751K 750 ±10 460 615 1240 200 30 15 660
WRA25D821K 820 ±10 510 670 1355 200 30 15 680
Feedback
Whatsapp