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The Niglon SP23S-3PN/40KA is a Type 2 surge protection device for 3P+N installations, with a maximum discharge current (Imax) of 40kA. It protects distribution boards and connected equipment against transient overvoltages from switching and indirect lightning.

Built around high-energy MOVs with a remote signal contact and a visual fault indicator (green = OK, red = replace). Uc 275V, nominal discharge current (In) 20kA, voltage protection level (Up) 1.5kV. Manufactured to BS EN 61643-11.

Key features

  • Type 2 surge protection device (3P+N)
  • Maximum discharge current (Imax) 40kA
  • Nominal discharge current (In) 20kA
  • Visual fault indicator and remote signal contact
  • Uc 275V, Up 1.5kV
  • Manufactured to BS EN 61643-11

Specification

  • Type: Type 2 SPD
  • Poles: 3P+N
  • In / Imax (8/20µs): 20kA / 40kA
  • Uc: 275V
  • Up: 1.5kV
  • Fault indication: Green = OK, Red = replace; remote signal
  • Standard: BS EN 61643-11

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