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AC SPD Class I

AC SPD Class I

Telebahn AC SPD 2P Iimp25kA/In50kA/Imax100kA for Single-phase TN Power Supply System T1+T2 Uc255V Surge Arrestor

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Product Description

 

Technical data

Combined  Type

BT BCM 25 RM/2P

Nominal voltage a.c.  [ UN ] 

230V

Rated voltage (max. continuous a.c. voltage) [ Uc ] 

255V

Total lightning impulse current (10/350) [ Iimp ] 

50kA

Lightning impulse current (10/350) [ Iimp ] 

25kA

Nominal discharge current (8/20) [ In ] 

50kA

Max. discharge current (8/20) [ Imax ] 

100kA

Voltage protection level at In [ Up ] 

≤ 1.8kV

Follow current extinguishing capability at Uc [ If ] 

32A fuse will not be triggered at 2kArms 255V

Response time [tA] 

25ns

TOV voltage [UT] 

355V / 5sec

Max. back up fuse (L) [F]

200A gL/gG

Max. back up fuse (L-L) [F]

125A gL/gG

Operating temperature range [Tu]

-40°C...+80°C

Min. cross-sectional area

10mm2 solid / flexible

Max. cross-sectional area

35mm2 solid / 50mm2 flexible

Mounting on

35mm DIN rail

Enclosure material

Light grey thermoplastic, UL94-V0

Dimension

4 mods (36mm)

Test standards

IEC 61643-1; EN 61643-1

Certification

CE, RoHS

Type of remote signalling contact

Switching contact

Switching capacity

AC:250V/0.5A; DC:250V/0.1A;150V/0.2A;750V/0.5A

Cross-sectional area for remote signalling contact

Max. 1.5mm2 solid / flexible

Ordering information

Type

BT BCM 25 RM/2P

Art.-No.

801 032

Packing unit

1pc(s)

Image_BT BCM 25 RM_2P QR.jpgDimension_BT BCM 25 RM_2P.jpgBT BCM 25 RM 2P.png

Summary

BT BCM 25 RM/2P is for installation at LPZ 0A-1 or higher, protecting low voltage equipment from surge damage. Applied in modular SPD Class I (Class B) for TN (2+0 circuit)  power supply system. Designed according to IEC 61643-11/EN 64643-11.

Hightlight Features

  10/350μs, 8/20μs sparkgap, Single-phase lightning surge arrester.

  Lightning impulse current withstand max.25kA (10/350μs).

  Adopt hermetical GDT technology, high follow current extinguishing capacity.

  Extremely low voltage protection level.

  Double thermals for parallel or series (V-shape) connection.

  Multifunctional connection for conductors and busbars.

  Green light indicates functional mode (L-PE module).

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