CQR Surface Contact Grade 3 Brown Multi Resistored SC517/BR/MULTI/G3/EN

SKU: SC517/BR/MULTI/G3/EN

Brand: CQR

The CQR SC517 Surface Contact Grade 3 Brown Multi Resistored is a compact, high-quality magnetic contact designed for use in professional security systems. Suitable for windows and doors, it provides reliable detection of unauthorised entry and is certified for use in Grade 3 intruder alarm systems as specified in EN50131-1:2006.

£6.77 (inc. VAT)£5.64 (exc. VAT)

Secure shopping guaranteed

Feefo logo

Free Delivery on orders over £100

CQR Surface Contact Grade 3 Brown Multi Resistored SC517/BR/MULTI/G3/EN

The CQR SC517 Surface Contact Grade 3 Brown Multi Resistored is a compact, high-quality magnetic contact designed for use in professional security systems. Suitable for windows and doors, it provides reliable detection of unauthorised entry and is certified for use in Grade 3 intruder alarm systems as specified in EN50131-1:2006.

This surface-mounted contact features selectable end-of-line resistors and supports multiple resistor values, giving installers maximum flexibility. It can also be used with double door configurations and in double pole systems, ensuring compatibility across a wide range of installations.

The SC517 includes built-in tamper protection against removal from its mounting surface, along with magnetic interference detection (MID) for enhanced security. Constructed from durable HIPS material in a brown finish, this contact is designed to meet demanding security requirements in both residential and commercial environments.

Features

  • Surface contact magnetic switch for Grade 3 systems
  • Multi resistored with selectable end-of-line resistors
  • Compatible with double pole systems and double door setups
  • Microswitch tamper protection for added security
  • Magnetic interference detection (MID)
  • Slimline compact design for discreet installation
  • Palladium contacts for reliability and longevity
  • Certified to EN50131-2-6:2008, Environmental Class II (indoor use)
  • Available in brown or white finish
  • Model: SC517/BR/MULTI/G3/EN
  • Security Grade: 3
  • Environmental Class: II (indoor)
  • Contact Type: Normally closed
  • Terminals: 4
  • Max Switching Current: 500mA
  • Contact Material: Palladium
  • Resistor Types: A, B, D, E & I (multi resistored)
  • Resistor Value: Multi
  • Dimensions (Contact): 65 x 13 x 13mm
  • Dimensions (Magnet): 65 x 13 x 11mm
  • Material: HIPS
  • Colour: Brown
  • IP Rating: IP4X
  • Operating Temperature: -10°C to +40°C
  • Tamper Protection: RFMS & MID
  • Standards: EN50131-1, EN50131-2-6, EN50130-5

Applications

The CQR SC517 Grade 3 Surface Contact is suitable for:

  • Professional intruder alarm systems (Grade 3)
  • Commercial security installations
  • Double doors and double pole systems
  • Windows and doors requiring tamper and magnetic interference detection

 

PAYMENT METHODS

© Copyright 2026, Alert Electrical Limited, All Rights Reserved.

Ecommerce by Imaginaire