ZAMEL bell DNS-212D — 230 V, large 104 dB, IP44, 230 mm (school bell)

Wired electric bell ZAMEL DNS-212D is designed for public and institutional environments that require a clear, loud audible signal. The unit operates from a 230 V supply and produces a 104 dB sound level from a 230 mm diameter housing. With an IP44 rating the bell is protected against solid objects greater than 1 mm and water splashes, making it suitable for indoor and sheltered outdoor mounting where reliable signaling is needed for breaks, shift changes or alarms.

Advantages

The bell delivers a high 104 dB output from a compact 230 mm housing, ensuring sound carries across classrooms, corridors or production areas. Its 230 V operation allows direct connection to standard mains supplies used in institutional installations. The IP44 enclosure provides basic splash and ingress protection for use in protected outdoor or indoor locations, and the wired design ensures continuous, maintenance-light operation without batteries or wireless pairing.

Suitable for

• School bells for class start, break and end signals
• Factory and workshop shift change alerts
• Public buildings and institutions requiring a fixed audible alarm
• Corridor and hall signaling in offices and healthcare facilities

Key specifications

• Operating voltage: 230 V AC mains
• Sound level: 104 dB
• Housing diameter: 230 mm
• Ingress protection: IP44 (splash and particle protection)
• Wired electrical connection for fixed installation

How to use

Mount the bell on a stable surface using suitable fasteners and wiring practices according to local electrical codes. Connect the unit to a 230 V AC supply through a protected circuit or control relay; ensure power is isolated before making connections. Position the bell where its sound path is unobstructed by heavy doors or large partitions to maximize audibility. After installation, test operation by activating the control circuit and verify that the bell reaches the expected 104 dB output at typical listening positions.

Usage recommendations

For reliable long-term operation, install the bell in sheltered locations away from direct exposure to heavy rain and extreme dust. Use a dedicated circuit breaker or fused protection and, where required, integrate with a control relay or timer for automated signaling. Periodically inspect mounting hardware and electrical connections, clean the housing of accumulated dust, and verify sound output to ensure consistent performance.