MOV Varistor For Spd
Voltage protection level Up upto 1.8 kV, suitable for protection of all terminal equipments.
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Product Introduction
MOV Material Surge Protection Device SPD Working Voltage 220V-520V 25D Type Lightning SPD Surge Arrester Spd , Surge Protective Module,Surge Protector
U1MA(V):80-1800 UAC:60-1000
Maximum rating
-VRMS, VM(AC)(V) : 680 -VDC, VM(DC)(V) : 895 -Typ.VN(DC)@1mA(DC)(V) : 1100 -10/350 μs(25°C) - Iimp(kA) : 12.5 - Vc@Iimp (V) : 2500 | - WTM@Iimp (KJ) : 24.3 -8/20 μs(25°C) - In(kA) : 30 - Vc@In(V) : 3400 - IMAX,ITM(kA) : 60 - Typ.Cap (nF)@1kHz : 1.9 |
●Shape : Square ●Design : Epoxy Coated ●Single/Dual(kA) : Single 12.5kA | ●Dimension : 42*42(excluding terminals) ●Tmax(mm) : 6.5 ●Maximum Terminal Spacing(mm) : 5.5 |
Product feature and details
● Voltage protection level Up upto 1.8 kV, suitable for protection of all terminal equipments.
● Pluggable Cartridges.
● Remote Signaling Contact
| 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 | 10 kA | ||
Maximum discharge current | 20 kA | ||
Maximum limiting voltage | ≤1.3kV(at10kA) | ≤1.5kV (at10kA) | ≤1.5kV (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 | Tolerance range | Maximum allowable | Clamping voltage(Max.) | Maximum Peak | Nominal Peak | Energy(2ms) | ||
U ac | U dc | U p | I | Imax | In | E | |||
25D471K | 470 | ±10 | 300 | 385 | 775 | 150 | 20 | 10 | 300 |
25D511K | 510 | ±10 | 320 | 415 | 845 | 150 | 20 | 10 | 310 |
25D561K | 560 | ±10 | 345 | 460 | 925 | 150 | 20 | 10 | 320 |
25D621K | 620 | ±10 | 385 | 505 | 1025 | 150 | 20 | 10 | 330 |
25D681K | 680 | ±10 | 420 | 560 | 1120 | 150 | 20 | 10 | 340 |
25D711K | 710 | ±10 | 440 | 585 | 1180 | 150 | 20 | 10 | 350 |
25D751K | 750 | ±10 | 460 | 615 | 1240 | 150 | 20 | 10 | 360 |
25D821K | 820 | ±10 | 510 | 670 | 1355 | 150 | 20 | 10 | 380 |

Technical parameters









Shipping Terms
● All items will be shipped within 60 business days after received cleared payment.
● International shipping would take longer time, It may delay due to the strict customs and the bad weather (rain, flood, snow).
● If you are willing to use Express Shipping, you need pay the Extra Cost for order.
● Please contact us if you have NOT received item after 35 days, we will check it with post office, and then resend or refund any missing items.
Feedback
● Once you have received your item, please leave feedback for us as this will inform us that you have received your items.
● We really need your positive feedback and 5 Star ratings after you receive your order, we will give you a positive feedback.
● Your satisfaction is most important for us. If you have a problem or question regarding your transaction, please contact us before leaving any type of feedback. And give us the opportunity to reasonably rectify in a reasonable amount of time, whatever your concern may be.
● Negative feedback does not solve anything. We are always willing to work things out. So feel free to contact us.
FAQ of Varistor
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 50% as deposit, and 50% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 3-7 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Why choose us
1. Quality assurance: All the products will go through lots of tests carefully before dispatch.
2. Competitive production capacity and fast shipping.
3. Manufactuer's price: Factory direct sale, most competitive price.
4. Small order acceptable.
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