Noark 103342 Surge Protective Device Ex9UE T1+T2 12.5 4P AC 275V

AC surge protector NOARK Ex9UE1+2 T1/T2 class B+C 12.5 4P 3F 275V

Noark Ex9UE1+2 series:

  • This line of surge arresters consists of class 1+2 devices.
  • They are used to protect electrical installations against direct low-intensity lightning strikes.
  • Suitable for lightning protection zone LPL III, IV according to EN 62305 in a 3-phase TN-C network, where the total surge current introduced into the electrical installation is 37.5 kA and its surge can be 75 or 100 kA depending on the configuration and position of the earthing point, the earthing of the lightning protection installation and the location of the surge arrester.
  • The modular design with interchangeable inserts allows quick and simple replacement of the functional modules in case they burn out, due to the frequent occurrence of surge peaks.
Mechanical specifications:
  • Manufacturer code: 103342
  • Width: 70 mm (4-pole)
  • Height: 83 mm
  • Face height: 45 mm
  • Mounting: On standard TH-35 mm rail
  • Degree of protection: IP20
  • Terminals: Rail and lift
  • Cross-section of connection terminals: 2.5 - 35 mm2
  • Tightening torque of terminal screws: 2.0 - 3.5 Nm
  • Connector rail thickness: 0.14 - 1.5 mm
  • Ambient temperature: -40 - +80 °C
  • Absolute altitude: ≤ 2000 m
  • Climate resistance: ≤ 95 %.
  • Weight: 0.11 kg (4-pole)
Electrical characteristics:
  • Design in accordance with: EN 61643-11
  • Type: Type 1+2 (Class 1+2, B+C, T1+T2)
  • Rated switching voltage: 275 V AC
  • Frequency: 50/60 Hz
  • Number of poles: 4
More Information
ManufacturerNoark Electric
Number of Phase3-phase
SPD TypesT1+T2
Width In Number Of Modular Spacings4.00
Protection Voltage Up1.50 kV
IP CodeIP20
Nominal Voltage275.00 V
Width10.00 cm
Height8.00 cm
Length/Depth8.00 cm
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