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LIGHTNING-SURGE PROT. type 1, 3P+E/10kA, fixed

https://unicat.msf.org/cat/product/73569
NSL PELEPROTS3F1

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OC subscriptions: included in supply or field order tools (e.g. UniField)
SC subscriptions: included in supply or field tools
OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Standard Lists (MSL)
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LIGHTNING-SURGE PROT. type 1, 3P+E/10kA, fixed

Form

This SPD is designed for three-phase installations requiring robust Type 1+2 surge protection with both MOV and GDT technology and remote signalling.

  • nominal system voltage (Un): 230/400 V AC

  • maximum continuous operating voltage (Uc): 350 V AC (L/N), 255 V AC (N/PE)

  • voltage protection level (Up): < 1.5 kV (L/N and N/PE)

  • short-circuit withstand (Isccr): 25 kA

  • nominal discharge current (In): 25 kA (L/N and N/PE)

  • response time: < 25 ns

  • spd type / class: type 1 + 2 (IEC/EN 61643-11)

  • imax: 50 kA

  • number of poles: 3P + N

  • dimensions: 84 × 72 × 71 mm

  • weight: 590 g


Per piece.

Fit

  • installation location: main distribution board / small commercial / residential

  • recommended back-up fuse / MCB: gG 160 A or associated NG125 / C120 breakers (80 A C-curve)

  • ac system compatibility (earthing): TT / TN-S

  • mounting type: DIN rail (clip-on)

  • indoor or outdoor use: indoor — front face IP40, IK05 protection

  • max wire size: 10…35 mm² rigid / 10…25 mm² flexible (tunnel terminals)

Function

The Surge Protective Device (SPD) protects three-phase electrical systems from transient overvoltages generated by lightning strikes or switching events. It safely diverts surge energy to earth, limiting overvoltage reaching downstream equipment. The device integrates MOV + GDT technology for coordinated energy handling and includes remote signalling (1 C/O contact) for end-of-life indication.