WERMA Signaltechnik 645.890.75 sirena cablata - policarbonato (PC) - 102 dB - IP65 - nero - DC

The WERMA Signaltechnik 645.890.75 is a high-performance wired multi-tone sounder designed for industrial signaling applications. With a powerful 102 dB sound output and IP65 protection, this siren is suitable for harsh environments. Its polycarbonate housing ensures durability, while the 24 V DC operation and adjustable tone selection provide flexibility for various alert systems.

Advantages

This siren offers eight selectable tones, adjustable volume via internal potentiometer, and robust construction. The IP65 rating makes it dust-tight and protected against water jets, ideal for outdoor or wet areas. Easy surface mounting and screw terminal connections simplify installation.

Suitable for

• Industrial alarm systems
• Factory automation
• Safety warning applications
• Process control signaling

Key specifications

• Sound output: 102 dB (A) at 1 m
• Operating voltage: 24 V DC
• Current consumption: max. 100 mA
• Protection class: IP65
• Number of tones: 8
• Housing material: Polycarbonate (PC)
• Color: Black
• Operating temperature: -20 °C to +50 °C
• Mounting: Surface mount
• Connection: Screw terminals
• Cable entry: M16 x 1.5
• Frequency range: 420 - 2850 Hz
• Sound adjustment: Internal potentiometer
• Tone selection: External via wiring
• Approvals: CE, UL, VDE

Recommendations

For reliable signaling in demanding conditions, the WERMA 645.890.75 is an excellent choice. Its robust design and versatile tone options ensure clear alerts in industrial environments.