Knight Fire PDD704K7 – G2 Industrial Surface Contact Single Reed 6-Terminal 4K7/4K7

Knight Fire PDD704K7 – G2 Industrial Surface Contact

The Knight Fire PDD704K7 is a high-quality industrial surface contact, designed to meet Grade 2 security standards. It features a single reed switch with 6 terminals and built-in 4K7 resistors for both alarm and end-of-line (EOL) functionality, making it compatible with Aritech and HKC panels.

This EN50131-2-6: 2008 compliant contact is constructed from durable high-impact polystyrene and offers a 40mm operating gap, ensuring reliable performance in industrial and commercial security applications. Its flexible wiring configuration allows for easy integration into shared zones, EOL setups, or non-resistor use.

Key Features & Benefits:

• Grade 2 Certified – Compliant with EN50131-2-6 for reliable security performance.
• Versatile 6-Terminal Design – Supports multiple wiring configurations for different panel setups.
• Pre-Installed 4K7 Resistors – Includes 4K7 for alarm and 4K7 for EOL, simplifying installation.
• Tamper Protection – Features lid tamper terminals (3rd & 4th terminals) for enhanced security.
• Wide Operating Gap – 40mm gap for efficient detection in industrial applications.
• Durable Build – Made from high-impact polystyrene for long-lasting performance.
• Flexible Installation – Available in white (PDD704K7) or brown (PDD704K7B).

Technical Specifications:

• Grade: 2
• Environmental Class: II
• Compliance: EN50131-2-6: 2008
• Contact Type: Single Reed
• Resistors: 4K7 for alarm, 4K7 for EOL
• Operating Gap: 40mm (approx.)
• Material: High-impact polystyrene
• Tamper Protection: Lid tamper terminals (3rd & 4th terminals)
• Dimensions: 86mm x 25mm x 20mm
• Colour Options: White (PDD704K7) / Brown (PDD704K7B)
• See Full Data Sheet

Wiring Guide:

• For shared zones – Use the 4K7 resistor in parallel by connecting 2nd and 5th terminals.
• For EOL setups – Connect 2nd and 6th terminals to activate the serial 4K7 resistor.
• For non-resistor use – Simply cut the middle resistor off.

Why Choose the Knight Fire PDD704K7?

The PDD704K7 is designed for industrial-grade security installations, offering high reliability, flexible wiring options, and tamper protection. Whether you need EOL, shared zone compatibility, or traditional wiring, this 6-terminal industrial surface contact provides a robust and adaptable solution for Aritech and HKC panels.