WERMA Signaltechnik Buzzer Element Continuous/Pulse 24V AC/DC 645.800.75

The WERMA Signaltechnik Buzzer Element 645.800.75 is a high-quality acoustic signaling device designed for industrial applications. It delivers a clear audible signal with both continuous and pulse tone options, operating at 24V AC/DC. Ideal for use in signal towers, this element ensures reliable status indication in automation, machinery, and process control environments.

Advantages

Versatile tone selection (continuous or pulse) for different alert scenarios. Robust IP65 protection when mounted, suitable for harsh industrial conditions. Easy plug-in terminal connection for quick installation. Compatible with WERMA KombiSIGN 71 and 72 series, offering seamless integration into existing systems.

Suitable for

• Industrial automation and control panels
• Machine status indication
• Process monitoring and alarm systems
• Signal towers in manufacturing facilities

Key specifications

• Product Type: Acoustic Element
• Signal Type: Audible
• Tone Type: Continuous Tone, Pulse Tone
• Operating Voltage: 24 V AC/DC
• Current Consumption: 15-25 mA
• Sound Pressure Level: 85 dB (at 1m)
• Frequency: Approx. 2.4 kHz
• Protection Rating: IP65 (when mounted)
• Operating Temperature: -20 °C to +50 °C
• Housing Material: Polycarbonate (PC)
• Colour: Black
• Mounting Type: Base Mounting (for Signal Tower)
• Compatible Series: KombiSIGN 71, KombiSIGN 72
• Connection Type: Plug-in Terminal
• Certifications: CE, UL, cUL

Recommendations

For optimal performance, mount the element in a dry location and ensure proper sealing to maintain IP65 rating. Pair with WERMA signal tower bases and LED modules for a complete visual and audible indication solution.