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3 phase 50kA@10/350us type 1+2 surge arrester

Item No: FV50B+C/4-275(S)
- type 1+2 surge arrestors consisting of 1pc Spark Gap based SPD + 1pc MOV based SPD.
-Low residual voltage and quick response.
-Reliable control thanks to Thermo Dynamic Control disconnector.
-With remote signaling contact for control device for your option.
-Fault indication via red mark in the inspection window.
-Protection mode: L1-N, L2-N, L3-N, N-PE.

Product Description

1.Dimension and circuit of surge arrestors (type1+2 surge arrestors) FV50B+C/4-275S





2.Electrical parameters of surge arrestors (type1+2 surge arrestors) FV50B+C/4-275S

Model. No.

FV50B/4-275S

FV20C/3-275S

SPD protection conforms to IEC61643-11 / EN61643-11

Type 1

Type 2

SPD installation type conforms to IEC61643-11 / EN61643-11

ClassI

ClassII

Protection level conforms to DIN VDE0675-6

B

C

Type of Network

IT

Protectionmode

L1 , L2 , L3-PE

Nominal Voltage UN

220/380 Vac/50(60)Hz

Maximum continuous operating voltage UC

275 Vac/50(60)Hz

275Vac/50(60)Hz

Continuous operating current IC

<20 µA

Residual current IPE

20 µA dc

500 µA ac

Standby power consumption PC

25 mVA

Nominal discharge current (8/20μs) In

50 kA

20 kA

Maximum discharge current (8/20μs) Imax

——

40 kA

Impuse discharge current (10/350μs) Iimp

50kA

——

Voltage protection level Up

1.5kV

1.3kV

Isolation resistance Risol

1000 MΩ

Response time tA

≤25 ns

Remote control contact

YES

Disconnection indicator

Mechanical indicator

(Green: OK, Red: Replace)

Minimum area of connecting cable

10 mm2

Maximum area of connecting cable

25mm2

Installation location

Inside

Mounting type

35mm DIN rail acc. to EN 60715

Color

Gray

Degree of protection

IP20

Housing material

UL94V-0

Ambient temperature

-40°C ~+80°C

Altitude

2000 m (amsl (above mean sea level))

Permissible humidity

30%~90%

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