🔧 Key Specifications

• Brand: HELLA
• Part Number: 3PA 013 410-011
• Product Type: Air trumpet / pneumatic horn
• Operating Voltage: 12–24V
• Power Consumption: ~120W
• Sound Pressure: ~115 dB(A)
• Frequency: ~400 Hz (high tone)
• Operating Pressure: ~5.8 bar
• Protection Rating: IP54
• ECE Approval: R28 compliant
• Operating Mode: Electric-pneumatic (requires compressed air supply)
• Air Connection: ~8 mm hose fitting
• Housing: Heavy-duty black metal/plastic housing

🚛 Function & Application

• Designed for trucks, buses, and heavy-duty vehicles
• Works using vehicle compressed air system (air brake system compatible)
• Produces a loud, penetrating high-tone sound for safety and road warning use
• Commonly used as an additional or replacement horn system

⚙️ Technical Highlights

• Built for industrial-grade durability and vibration resistance
• Suitable for long-distance audible warning in heavy traffic or construction environments
• Integrated pneumatic design ensures stronger sound output compared to electric horns

🚛 OEM Cross Reference Numbers

 Volvo

• 22054097
• 21701326

Scania

• 1874274
• 00000001874274

MAN

• 81253016062

📌 Summary

The HELLA 3PA 013 410-011 is a universal 12–24V air trumpet horn for commercial vehicles, delivering high sound output (115 dB) and requiring a compressed air supply system, making it ideal for heavy-duty truck and bus applications.