Federal Signal MPEX Explosion-Proof Fire Alarm Pull Station

When life-safety depends on dependable manual activation, the Federal Signal MPEX Explosion-Proof Fire Alarm Pull Station delivers. Built specifically for hazardous locations where flammable gases, vapors or combustible dusts are present, this dual-action pull station minimizes false trips with a swing-up cover that exposes a pull-down ring — giving operators a secure, intentional two-step activation. The MPEX features a copper-free cast aluminum housing, UL/cUL and UL Fire Listings for Class I Division 1 (Groups C & D), Class II Division 1 (Groups E, F & G) and NEMA 7/9 protection, so it stands up to the toughest industrial conditions.

With contacts rated for 120V AC at 6A and a standard 2-3/4" conduit entry, the MPEX integrates seamlessly into existing fire alarm, security and monitoring systems. Its reset is quick and intuitive, and a 5-year limited warranty provides procurement confidence. Ideal for oil & gas, chemical plants, manufacturing and other high-risk sites, the Federal Signal MPEX supports your fire safety, surveillance and emergency response strategies. Specify the MPEX for robust, compliant manual pull station protection in hazardous-area installations.

• Designed for hazardous locations to ensure reliable fire alarm activation in Class I/II/III environments
• Dual-action swing-up cover and pull-down ring reduce accidental alarms and improve operator safety
• Heavy-duty copper-free cast aluminum enclosure and NEMA 7/9 ratings for long-lasting durability in harsh industrial sites
• UL/cUL and UL Fire Listed certifications simplify compliance and installation with existing safety systems
• Simple integration with 120V AC fire alarm circuits and standard 2-3/4" conduit entry for faster deployment