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FV12.5B+C 3 1000PVNS Type 1+2 12.5kA PV Surge Protection Device SPD


DC Surge protective device for PV system

Model No.: FV12.5B+C/3-1000PVNS

• DC surge Protective device specially used for photovoltaic system less than 1000Vdc.

• The core parts are metal oxide vristor components with high discharge capacity.

• With reliable control thanks to Thermo Dynamic Control disconnector.

• Without remote signaling contact for control device.

• Fault indication via red mark in the inspection window.


2. Dimension

3. Circuit

4. Electrical parameters

Model. No.


SPD protection conforms to EN50539-11/IEC61643-31

Type 1+2

SPD installation type conforms to EN50539-11/IEC61643-31

Class I+II

Protection level conforms to DIN VDE0675-6


Type of Network

Photovoltaic systems DC side

Protection mode

(+/-)-PE , (-/+)-PE

Nominal Voltage  Uocstc

1000 Vdc

Maximum continuous operating voltage for PV application UCPV

1000 Vdc

Continuous operating current ICPV

<20 uA

Residual current IPE

≤20 uA DC

≤500 uA AC

Standby power consumption PC

≤25 mVA

Nominal discharge current (8/20μs) In

20 kA

Impuse discharge current (10/350μs) Iimp

6.25 kA

Total Impuse discharge current (10/350μs) Itotal

12.5 kA

Short-circuit current rating Iscpv


Voltage protection level Up

≤4.75 kV

Isolation resistance Risol

>1000 MΩ

Response time tA

≤25 ns

Remote control contact


Disconnection indicator

Mechanical indicator

(Green: OK, Red: Replace)

Minimum area of connecting cable

6 mm2

Maximum area of connecting cable

35 mm2

Installation location


Mounting type

35mm DIN rail acc. to EN 60715



Degree of protection


Housing material


Ambient temperature

-40&deg;C ~+80&deg;C


≤2000 m (amsl (above mean sea level))

Permissible humidity


5. Installation

Product Inquiry

We are professional manufacturer on R&D, production of surge protection products, including TUV certified AC SPDs according to IEC61643-11:2011, DC SPDs for PV system according to IEC61643-31, SPDs for PoE, surge counters and surge protection products test devices.

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