Description
PROTECT Series Audible & Visual Alarms
Engineered for the Toughest Jobs
Pfannenberg’s PROTECT Series audible and visual alarms are built for reliable, risk-reducing performance in the toughest industrial and outdoor environments. With options for fire, gas, machine safety, and process alarms, the series includes explosion-proof models and offers high ingress protection and rugged construction. Designed to meet the needs of diverse industries from factories to mining to oil and gas operations, the Protect Series provides modular, flexible solutions with a wide range of tones and visual alerts.
PROTECT SERIES Flyer
DESIGNED FOR TOUGH CONDITIONS
EXTREME
Robust devices for harsh conditions to deliver alert and danger alarms. UL
MACHINE & FUNCTIONAL SAFETY
SIL conforming for safety instrumented systems up to SIL 2/PL d.
EXPLOSION PROOF
Engineered for environments that may contain flammable gases, vapors, or liquids and prevent explosions by eliminating potential ignition sources.
MARINE GRADE
Type approved by a global ship classification society (DNV) and certified for Fire Alarm application which falls under the Marine Equipment Directive 96/98/EC (MED).
Key Features
Rugged Housing
Cast Aluminum housing is long-lasting and resistant to UV light, seawater, and many chemicals.
Wide Temperature Range
Available in multiple ratings.
Multi Voltage
Works with different voltages.
Protection System
Available in multiple ratings.
Easy Installation
With fixed seal, captive screws, and threaded conduit connection.
UL Listed
Pfannenberg Warranty
Combined Audible & Visual Alarms
The PROTECT Series offers powerful, integrated audible and visual signaling solutions designed for the most demanding environments. With a range of acoustic tones and customizable visual signals, these devices ensure clear, effective alerts in critical safety applications.
Built for performance in harsh conditions, the series includes models certified for SIL applications, Explosion-Proof zones, and Marine environments, providing unmatched reliability and flexibility across industries.


Rugged Housing
Wide Temperature Range
Multi Voltage
Protection System
Easy Installation
UL Listed
Pfannenberg Warranty