CQR 3/8 Flush Round Contact White

The CQR FC503/WH is a 3/8" (9.5 mm) white flush-mounted magnetic contact for intruder alarm systems up to and including Grade 2, environmental class II, as specified in EN 50131-1. It is pre-wired as double pole with 4 cores, and operates as a normally closed circuit that opens when the magnet is removed.

Key features

• Grade 2, environmental class II (EN 50131-1), compliant with EN 50131-2-6
• Flush mounting, 9.5 mm diameter
• 4-core pre-wired, double pole
• Normally closed, rhodium contacts
• Internal tamper
• Non-resistored
• Suitable for double doors
• May be affected by ferrous surfaces

Technical specifications

• CQR part code: FC503/WH
• Security grade: 2
• Environmental class: II
• Contact type: Normally closed
• Maximum switching voltage: 12V DC
• Maximum switching current: 500mA
• Pull-in gap (X, Y, Z): 12, 15, 12 mm
• Wire length: 300 mm
• Contact dimensions: Ø9.5 × 25 mm
• Magnet dimensions: Ø9.5 × 27 mm
• Colour: White
• Material: HIPS
• IP rating: IP3X
• Temperature range: −10°C to +40°C
• Standards: EN 50131-1, EN 50131-2-6, EN 50130-5