Apollo 55000-017APO AlarmSense Open‑Area Sounder Visual Indicator (Sounder VID) — combined wall‑mounted sounder and red LED visual indicator designed for AlarmSense two‑wire conventional fire systems. Robust IP65 enclosure for indoor and weather‑exposed locations, synchronised tone and flash, and tamper/fault monitoring for reliable audible/visual signalling in open areas.

• Combined sounder + visual indicator for clear audible and visual alarm signalling.
• Designed for AlarmSense 2‑wire conventional systems; synchronises tone and flash with AlarmSense devices.
• Polarity‑insensitive, monitored 2‑wire connection for easy retrofit and installation.
• IP65 weatherproof enclosure — suitable for exposed locations such as car parks and plant rooms.
• High sound output (up to 99 dB(A) at 1 m) with Apollo “Evacuate” tone and synchronised 1 Hz red LED flash.
• Anti‑tamper / head removal fault monitoring and device locking facility.
• Manufacturer warranty: 10 years.

Applications: Open corridors, car parks, plant rooms and other open areas where combined audible and visual alarm signalling is required. Compatible with systems using AlarmSense two‑wire conventional sounders and bases.

Compliance & Safety: Manufacturer approvals and listings indicated (CPR, LPCB where stated by Apollo). Installation and wiring must be performed by a qualified engineer in accordance with local regulations and the product installation manual. Check the official datasheet/installation manual for detailed mounting, cable entry and environmental limits.