WR-25D Zinc Oxide Surge Protection Device DC MOV
Silver bare chip
Size
φ31.8
Packing size
φ32.5
MOV(metal oxide varistors)
The main technical index
Model specification
34S511K
34S621K
34S751K
Packing size
459~561
558～
| Silver bare chip | |
| Size | φ31.8 |
| Packing size | φ32.5 |
| MOV(metal oxide varistors) |
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| 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 |
