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Bourns 1270 Series Surge Protective Devices (SPDs)

Bourns 1270 Series Surge Protective Devices (SPDs) are IEC Class I + Class II AC SPDs designed for power systems, lighting, and current and surge protection. These devices are intended to be installed at the front end of the installation, close to sensitive terminals, and in the area of the main switchboard. The 1270 series Surge Protective Devices feature up to 80kA per mode large surge energy capability and up to 12.5kA 10/350μs impulse current capacity. These devices are used in electrical service entrances, branch panels, power circuits, heavy industrial, and EV charging stations.

Features

  • IEC/EN 61643-11 compliant Class I + Class II / T1+T2 SPD
  • Up to 50kArms high short-circuit current rating 
  • Pluggable module for easy replacement
  • Up to 80kA per mode large surge energy capability 
  • Up to 12.5kA 10/350μs impulse current capacity
  • <0.1mA leakage current at Uc
  • 1270-xS-230, 1270-xS-400, and 1270-xS-480:
    • High-energy MOV technology thermal disconnector
    • 1-pole, L-N or L-G, or N-PE connection mode
  • 1270-xNS-230:
    • High-energy MOV technology N-PE protected with GDT thermal disconnector
    • 2-pole or 4-pole, L-N, and N-PE connection mode

Applications

  • Electrical service entrances
  • Heavy industries
  • Branch panels
  • All power circuits
  • EV charging stations

Dimension Diagrams

Mechanical Drawing - Bourns 1270 Series Surge Protective Devices (SPDs)

Additional Resource

Published: 2024-08-13 | Updated: 2024-10-09