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Mersen - 83120145 SURGE TRAP, SURGE PROTECTION, TYPE 1+2, 12.5 KA, 3-POLE & N, EARTH MONITORING

83120145 / STPT12-12K275V-4PM

Manufacturer: Mersen
SURGE TRAP, SURGE PROTECTION, TYPE 1+2, 12.5 KA, 3-POLE & N, EARTH MONITORING

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32 in stock

Price
£400.02
£480.02 (IncVAT)

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Surge Trap, 3P + Neutral, Earth Monitoring

The STPT12 is a 50 kA single phase 3 pole and neutral TNS type surge protection unit. A combined Type 1+2/Class I+II device designed for discharging lightning currents and protecting against voltage surges, in accordance with EN/IEC 61643-11. In a TNS earthing system, the electrical supply is connected to the neutral conductor (N), and the earth conductor is connected to a metallic structure (S). The electrical installation is connected to the live conductor (T).

This surge trap is ideal as the first step of protection in incoming power supply panels and areas with exposure to the atmosphere, where installations are usually provided with an external lightning protection system. Additionally, this robust device has visual and remote end of life indicators, is DIN rail mountable and has mechanically coded cartridges to avoid replacement errors.

A surge protection device discharges excess energy to earth, limiting the peak voltage to a value acceptable for the connected electrical equipment. This durable surge trap helps users avoid potential power cuts, down-time and avoid repair costs to damaged equipment and machinery. Applications include commercial and residential installations, telecom and IT data centres, water treatment, smart grid and LV metering, photovoltaic and wind.

Surge Trap Features

  • 3 Pole Plus Neutral
  • Designation class Type 1+2
  • Nominal Voltage 230 VAC, 50-60 Hz
  • Maximum discharge current – 50 kAmps
  • Maximum continuous operating voltage (L-N) – 275 V
  • Operating time 20 microseconds max
  • TNS type
  • Earth monitoring
  • Enclosure rated to IP20
  • DIN rail mount
  • Standards – IEC 61643-11, EN 61643-11

Product Information

Alternative Part Number: STPT12-12K275V-4PM
Manufacturer: Mersen
Pricing Unit: Each
Weight: 0.666 kg (each)
Generic code: FERR

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Kempston Controls is electrical and electronic components distributor, providing fuses, sensors, control components, industrial automation equipment and more. If you would like to discuss any of the parts which you see on our online store, please contact our dedicated sales centre on +44 (0) 1933 411411.

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