The Siemens MSM-K-WP is a manual pull station configured for weatherproof installation, allowing an occupant to initiate an alarm condition by hand in environments exposed to moisture or the outdoors.

Compliance

• UL 38 manually actuated signaling boxes
• UL 864 control unit listing when connected to a listed circuit
• NFPA 72 application

Key features

• Manual initiation of the fire alarm condition by hand pull
• Weatherproof construction for damp and exposed locations
• Key-reset mechanism for controlled restoration after activation
• Connects to conventional or addressable initiating circuits per build
• Surface-mount housing suited to protected outdoor use
• Visible operating indication on actuation

Manual initiation devices let an occupant report a fire condition by hand, placing the associated zone or addressable point into alarm and driving the building's notification sequence. Mounting and environmental rating determine where the station can be deployed.

Verify panel/device family compatibility before ordering.