type 1 surge arrester / AC / three-phase / with fault indication
FV50B/4-275(S) FATECH ELECTRONIC (FOSHAN) CO., LTD

• Type:

  type 1

• Other characteristics:

  AC, three-phase, with fault indication, compact, DIN rail, low-voltage

• Applications:

  for power supplies, remote signaling

• Current:

  50,000 A

  Max.: 100,000 A

• Voltage:

  220 V

  Max.: 275 V

1.Description

Class I lightning arresters manufactured by FATECH, adopt unique designed seal construction with multilayer spark gap, patent technology, no spark emission outside the housing. Suitable for grounding system TN-C, TN-S, TT and IT.

2. Application

It is mainly used in lightning protection zone (LPZ) 0 to 1, widely used in building entrance lines(such as distribution box), elevator, mineral, oil equipments, power transmission and so on.

3.Characteristics

1)with working status indication window, and remote control contacts.
2)High impulse discharge current, Iimp value is 25kA, 50kA10/350us.
3)connection up to 35mm2 DIN-rail in accordance with EN 50022/DIN46277-
4) high degree of protection, and multilayer spark gap with high discharge capacity.

4. Certificate & Test Standard
CE, EN61643

5. Electrical Parameters

1)3 phase, In 50kA, Iimp 50kA (10/350us), Uc=275V

2)Degree of protection: IP20

3)Housing material: UL94V0

4)Disconnection indicator: Mechanical indicator (Green: OK, Red: replace)

5)Protection mode: L1,L2,L3-PE, N-PE