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Product information "Surge arrester type 1+2, ETITEC SM B T12 300/12.5 4+0 RC leakage current-free, (TN-S)"

max. back-up fuse up to 315A, with remote signalling contact

IEC/EN type 1+2+3 Area of application:

Main distribution board

  • Iimp=12.5 kA (10/350 µs) per pole
  • High-performance GSG / MOV
  • Leakage and operating current free
  • Residual current-free
  • Maintenance-free
  • Conformity: EN 61643-11: 2012, IEC 61643-11: 2011, VDN directive

SPD hybrid model based on combined GSG and MOV technology

  • For use in lightning protection classes III + IV
  • High discharge capacity up to 12.5kA 10/350 µs per pole
  • Fast response time < 25 ns with simultaneously low residual voltage
  • Maximum safety, disconnecting device activated under zero voltage
  • Energy-efficient, no mains follow current, operating current or leakage current
  • Complies with the VDN directive with VDE certification for use in the pre-metering sector
Item number: 64348
Manufacturer number: 002440547
Applied technology: MOV & GDT
I imp (10/350) Pulse current: 50kA
I max (8/20): 260kA
In (8/20): 80kA
Integrated back-up fuse: No
Interchangeable surge modules: Yes
Leakage current free: Yes
Net shape: TN-S
No back-up fuse required until: 315A
Type: T1 & T2
Uc Continuous operating voltage: 300V
Uoc (1.2/50 - 8/20) Overvoltage peak: 6kV
Up - Voltage protection level: < 1.5kV
With remote signalling contact: Yes

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Aco Gorgiev

Product Manager, Customer Consultancy Electrical Engineering, Production

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