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Home  /  Terminals  /  Terminals & Bars  / 

CHINT NU6-IIG Low-Voltage Surge Protective Device

CHINT NU6-IIG Low-Voltage Surge Protective Device

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Category: Terminals & Bars
Brand: CHINT
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Description
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CHINT NU6-IIG Low-Voltage Surge Protective Device,
offers reliable protection for electrical systems and on-loading equipment against lightning and transient overvoltage.
Built for 230/400V AC 50/60Hz systems,
it complies with IEC/EN 61643-11 standards and is suitable for various grounding systems (TN-S, TN-C, TT, IT).
Featuring modular design, removable protection modules,
and visual fault indicators, the NU6-IIG ensures safe,
efficient surge suppression in residential, commercial, and industrial networks.

  • Standard Compliance: IEC/EN 61643-11
  • Rated Operating Voltage (Ue): 230/400V AC, 50/60Hz
  • Available Pole Configurations: 1P, 2P, 3P, 4P, 1P+N, 3P+N
  • Protection Levels:
    • Maximum Continuous Operating Voltage (Uc): 275V / 320V / 385V / 440V
    • Protection Level (Up): 1.5–2.4kV depending on model
    • Maximum Discharge Current (Imax): 40kA / 65kA / 100kA (8/20μs waveform)
    • Nominal Discharge Current (In): 20kA / 30kA / 50kA
  • Auxiliary Contact Options: 1NO+1NC, rated at AC250V, 0.5A (for remote signaling)
  • Grounding System Compatibility:
    • TN-S: L–PE, L–N, N–PE
    • TN-C: L–PEN
    • TT: L–N, N–PE
    • IT: L–PE
  • Construction Features:
    • Modular structure with removable protective module and base
    • Visual fault indicator for damaged modules
    • No need to disconnect circuit when replacing module
    • Voltage indicator window prevents mismatched replacement
  • Installation Type: DIN rail mounting (TH35-7.5)
  • Dimensions (mm):
    • Width per pole: 18 mm
    • Height: 67.7 mm
    • Depth: 50 mm
    • Length varies from 18 mm (1P) to 144 mm (4P)
  • Optional Remote Signaling Port: Available in “/F” versions
  • Certifications: CE, RoHS

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