WERMA Signaltechnik 140.150.50 Multi-Tone Sounder - 28V DC, 115 dB, IP65

The WERMA Signaltechnik 140.150.50 is a robust multi-tone sounder designed for industrial signaling applications. With a high sound output of 115 dB at 1 meter and 8 selectable tones, it ensures reliable audible alerts in demanding environments. Its IP65 protection rating makes it suitable for outdoor or harsh indoor use.

Advantages

Versatile tone selection (8 tones) for different alert scenarios; high sound pressure level for noisy areas; durable PC/ABS housing with IP65 protection; continuous duty cycle (100% ED) for uninterrupted operation; easy volume adjustment via internal potentiometer.

Suitable for

• Industrial automation and manufacturing plants
• Warehouse and logistics centers
• Security and alarm systems
• Process control and machinery signaling

Key specifications

• Operating voltage: 28V DC (range 18-28V DC)
• Sound output: 115 dB at 1 meter
• Number of tones: 8 (selectable)
• Frequency range: 420 - 2850 Hz
• Current consumption: approx. 100 mA
• Protection rating: IP65
• Operating temperature: -30°C to +50°C
• Housing material: PC/ABS blend, grey
• Connection: screw terminal (max 1.5 mm²)
• Cable entry: M16
• Volume adjustment: internal potentiometer
• Duty cycle: 100% ED (continuous operation)
• Certifications: CE, cULus

Recommendations

For optimal performance, ensure the supply voltage is within 18-28V DC. Use appropriate cable glands for M16 entry. The sounder can be surface or base mounted. Adjust volume via the internal potentiometer before final installation.