Description
Grade 2 Flush Contact That is Ideal for Steel Doors
The PDA904K7 is a high-performance flush contact designed for steel door and steel frame installations. Engineered to Grade 2 security standards, this contact features a single reed switch and a durable stainless steel plate, making it an ideal solution for high-security environments.
With built-in 4K7 alarm and EOL resistors, the PDA904K7 ensures seamless integration with Aritech, HKC, Siemens, and other mainstream security panels. Its 6-core, 1-metre cable provides flexibility in installation, while the flush-mount design allows for a discreet and secure fit.
The unit is EN50131-2-6 compliant, meeting the required standards for Grade 2 security applications. The operating gap of 25-30mm ensures reliable performance in demanding environments.
Technical Specifications:
- Grade: 2
- Part code: PDA904K7
- Material: ABS with Stainless Steel Fascia
- Environmental Class: 3
- Reed Switches: 1
- Cable: 6-Core, 1 Metre
- Resistors:
- Alarm Resistor: 4K7
- EOL Resistor: 4K7
- Compatible Panels: Aritech, HKC, Siemens
- Operating Gap: 25-30mm
- Dimensions:
- Steel Fascia: 58mm x 32mm
- Core: 25mm dia x 13.25mm
- Installation: Flush mount into a prepared recess
- Colours: White
- See Data Sheet
Why Choose the Knight Fire & Security PDA904K7?
If you’re looking for a robust, high-security flush contact for steel door installations, the PDA904K7 by Knight Fire & Security is the ideal choice. Its stainless steel construction, built-in resistors, and Grade 2 compliance make it a trusted solution for security professionals.








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