Entrance Door Contact Sensor Eura ED-30A3 — Wired magnetic door/window sensor

Eura ED-30A3 is a wired magnetic contact sensor intended for monitoring doors and windows in alarm and security systems. The sensor uses a reed switch actuated by a magnet to detect opening and closing events and provides a dry contact output for direct connection to most alarm control panels. Its compact design and wired connection make it suitable for permanent installations in residential and commercial environments where dependable event reporting and simple wiring are required.

Advantages

The sensor offers a straightforward reliable magnetic switching mechanism with minimal moving parts, which reduces maintenance needs. A wired dry contact output ensures compatibility with a wide range of alarm control panels and access control systems. The compact housing and separate magnet allow flexible mounting options on doors, windows, frames or jambs. Mechanical construction designed for long-term use and stable contact performance supports uninterrupted monitoring.

Suitable for

• Monitoring entrance and interior doors in homes and apartments
• Securing windows and casement openings in residential properties
• Integration with wired alarm and security control panels
• Use in small and medium commercial premises such as offices and retail outlets

Key specifications

• Detection principle: magnetic reed switch
• Output type: dry contact (normally open/closed depending on wiring)
• Connection: wired
• Mounting: surface-mounted sensor and separate magnet for flush or surface placement
• Housing: compact enclosure suitable for door and window frames

How to use

Mount the sensor body on the stationary frame and the magnet on the moving part of the door or window so that the two elements align when closed. Secure each part with screws or adhesive as appropriate for the surface. Run the connection cables from the sensor to the alarm or control panel and connect the dry contact wires to the designated input terminals following the control panel wiring diagram. After powering the system, test the sensor by opening and closing the protected door or window and verify state changes are received by the alarm panel.

Usage recommendations

Install the sensor in a protected location away from direct exposure to moisture and extreme temperatures. Ensure the magnet and sensor remain aligned within the manufacturer’s recommended gap for reliable switching. Use proper cable routing and strain relief to prevent damage to the wired connection, and perform periodic functional tests as part of routine system maintenance.