Attendance Machine

Dahua Door Contact (Metal) ARD312

Rs. 768.00

~~Rs. 921.00~~ Rs. 768.00

Sale Sold out

Overview

The Dahua ARD312 Door Contact (Metal) is a wired magnetic contact detector specially designed for metal doors and windows. Using the magnetic component of a reed switch, it reliably detects the opening and closing status of doors or windows and triggers alarms when unauthorized access is detected.

Featuring a durable metal-plated housing and surface-mount design, the ARD312 offers excellent stability and long-term performance. It operates without requiring a power supply and is suitable for both residential and commercial security applications.

Key Features

✔ Designed for metal doors and windows

✔ Operates without an external power supply

✔ Durable metal-plated construction

✔ Surface mount installation

✔ Normally Closed (N.C.) alarm output

✔ Standard detection gap up to 35 mm

✔ Supports circuits up to 100 VDC and 500 mA

✔ Stable and reliable reed switch operation

✔ Suitable for residential and commercial use

✔ Includes spacers, covers and mounting screws

Why Choose Dahua ARD312?

Optimized for Metal Doors

Its metal-plated structure allows reliable installation on metal door frames and windows where standard plastic contacts may not perform effectively.

No Power Required

The magnetic reed switch design enables operation without any external power source, simplifying installation and maintenance.

High Durability

The robust metal housing provides long-lasting performance and enhanced resistance to wear and environmental conditions.

Reliable Alarm Detection

Accurately detects opening events and provides dependable alarm activation for enhanced security.

Wide Application Range

Ideal for homes, offices, warehouses, banks, and other commercial facilities requiring secure door monitoring.

Technical Specifications

Feature	Specification
Product Type	Metal Door Contact
Model	ARD312
Switch Type	Magnetic Reed Switch
Alarm Output	1 × Normally Closed (N.C.)
Maximum Voltage	100 VDC
Maximum Current	500 mA
Detection Gap	≥ 35 mm
Mounting Type	Surface Mount
Casing Material	Metal Plating
Color	Silver Grey
Operating Temperature	-10°C to +55°C
Operating Humidity	10%–90% RH
Dimensions	50 × 18 × 10 mm
Net Weight	54 g
Certification	CE