Simplex 2606-9101 - LCD Annunciator

Simplex 4904-917x – Wall-Mount Fire Alarm Strobe

The Simplex 4904-917x Series is a range of visible fire notification appliances designed for wall-mounted installation, utilizing high-intensity xenon strobe lights to provide clear and effective visual warning during fire alarm conditions.

This product family is specifically engineered for Simplex fire alarm systems and is ideal for areas requiring strong visual notification, particularly in high-noise environments or applications supporting hearing-impaired occupants.
The 4904-917x series offers flexible options in candela output, housing color, and mounting orientation, allowing system designers to meet a wide range of project requirements.

Key Features

• Visible-only notification appliance (strobe light, no audible output)
• Multiple candela ratings available: 15 cd / 30 cd / 110 cd (model dependent)
• Supports Free-Run or Synchronized flash operation
• Wall-mount design for optimal visual coverage
• Available for vertical or horizontal mounting
• Standard color options: Red or White, with clear “FIRE” lettering & logo
• Durable construction suitable for continuous operation
• Fully compatible with Simplex fire alarm systems

General Technical Specifications

Visual Characteristics

• Notification type: Xenon strobe light
• Candela output: 15 cd / 30 cd / 110 cd
• Operating modes: Free-Run / Synchronized
• Mounting orientation: Vertical mount / Horizontal mount
• Housing color: Red or White
• Marking: “FIRE” lettering & logo

Electrical & Wiring

• Power supply: From fire alarm control system
• Wiring type: 4-wire
• Circuit supervision: Yes, via NAC configuration

System Compatibility

• Simplex Fire Alarm Control Panels (FACU)
• Simplex synchronization and notification control modules

Model List – Simplex 4904 Series (Wall-Mount Strobes)

• 4904-9174 Wall-mount visible notification appliance (strobe), 30 candela, Free-Run or Sync, red housing, “FIRE” lettering & logo, vertical mount.
• 4904-9175 Wall-mount visible notification appliance (strobe), 110 candela, Free-Run or Sync, red housing, “FIRE” lettering & logo, vertical mount. Suitable for large spaces requiring high light intensity.
• 4904-9176 Wall-mount visible notification appliance (strobe), 15 candela, Free-Run or Sync, red housing, “FIRE” lettering & logo, vertical mount.
• 4904-9177 Wall-mount visible notification appliance (strobe), 15 candela, Free-Run or Sync, white housing, “FIRE” lettering & logo, vertical mount. Ideal for applications with higher aesthetic requirements.
• 4904-9178 Wall-mount visible notification appliance (strobe), 15 candela, Free-Run or Sync, red housing, “FIRE” lettering & logo, horizontal mount.