System Sensor P4WL L-Series Indoor Selectable Output Horn Strobe, 4-Wire, Wall Mount, "FIRE" Marking, White

Designed for dependable indoor fire notification, the System Sensor P4WL L-Series horn strobe combines flexible performance with installer-friendly features to protect people and property in commercial and institutional environments. This 4-wire, wall-mount horn/strobe offers field-selectable candela settings (15, 30, 75, 95, 110, 135, 185) and automatic voltage selection to adapt to a wide range of fire alarm panels and monitoring setups. The P4WL’s plug-in design and universal mounting plate with a shorting spring reduce installation time and virtually eliminate ground-fault issues, while tamper-resistant construction protects devices during construction and normal use. With a rotary horn tone, two volume selections and 88+ dBA output at 16 V, it delivers unmistakable audible alerts to complement synchronized visual notification. Compatible with System Sensor sync modules for coordinated signaling, this L-Series device is ideal for fire alarm, physical security, surveillance, and monitoring systems that demand reliable, low-maintenance components. Specify the System Sensor P4WL for your next fire alarm or security project—order now to ensure compliant and robust notification coverage.

• Delivers clear, code-compliant indoor fire notification with audible and visual alerts to protect occupants and assets
• Field-selectable candela settings (15–185 cd) and 4-wire design give installers flexibility across diverse building and monitoring requirements
• Plug-in, universal mounting plate and tamper-resistant housing speed installation and reduce costly callbacks from wiring faults or construction damage
• Low current draw and automatic voltage selection help minimize panel load and simplify integration with existing fire alarm systems
• Rotary horn tone and high sound output (88+ dBA at 16 V) ensure effective audible notification for security, monitoring, and life-safety applications