Pfannenberg PRO 10-Ex Sounder

The Pfannenberg PRO 10-Ex is a high performance explosion-proof sounder designed to deliver powerful audible warnings in challenging and industrial environments. With a maximum sound output of 116 dB(A), the sounder provides highly effective alarm signalling in areas where reliability, durability, and regulatory compliance are critical.

Built with a rugged cast aluminium housing, the PRO 10-Ex withstands harsh operating conditions while providing long-term performance in demanding applications. Approved for use in ATEX Zone 2 (3G), Zone 22 (3D), and Class I, II, and III Division 2 hazardous locations, it offers a dependable warning solution for potentially explosive atmospheres.

The sounder features 80 selectable tones and three additional externally selectable tones, allowing users to tailor alarms to specific operational requirements. In addition, users can reduce sound pressure levels by up to 30 dB, either internally or externally, providing greater flexibility for different environments and applications.

Key Features

• Explosion-proof sounder
• Maximum sound output of 116 dB(A)
• Robust cast aluminium housing
• Approved for Zone 2 (3G) and Zone 22 (3D) hazardous areas
• Suitable for Class I, II and III Division 2 applications
• 80 options for alarm tones
• 3 additional externally selectable tones
• Adjustable sound pressure level
• Sound reduction up to 30 dB
• Pre-alarm and main alarm functionality
• Designed with captive seals and screws for easier installation
• Excellent acoustic penetration
• Outstanding area coverage through Pfannenberg 3D-Coverage technology

Typical Applications

The Pfannenberg PRO 10-Ex is fitting for:

• Oil and gas facilities
• Offshore platforms
• Petrochemical plants
• Chemical processing facilities
• Refineries
• Fuel storage terminals
• Industrial manufacturing plants
• Hazardous material handling areas
• Process industry environments