Grade 2 White Patio Surface Door Contact

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Grade 2 Patio Surface Door Contact with   1 Reed and 4 Core Pre-Wired - White [SC525/WH/4C]

The  SC525/WH/4C  Grade 2 Patio Surface Door Contact are suitable for use in Ungraded, Grade 1 and Grade 2 systems. These contacts are required to have a mechanical tamper and/or be potted/sealed. End of Line (EOL) resistors are an option but are not a requirement to meet Grade 2.

A range of contacts in plastic and aluminium which can be surface mounted and which will suit most domestic and commercial installations.


  • Patio surface contact
  • 38 x 15 x 8mm
  • 4 Core pre-wired
  • Operating Gap - 20mm
  • EN50131-2-6 Grade 2
  • Environmental Class:  II

Technical Specification:

  • Connections:  1m 4Core
  • Reed Switches:  1
  • Pull-in Gap:  20mm
  • Material:  Polystyrene
  • Size mm:  65 x 13.5 x 13
  • Contact Form:  SPST form A
  • Voltage Range:  1-50v DC
  • Switching Current:  500mA
  • Contact Material:  Rhodium
  • Colours:  White

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