The IQ673HS and IQ673HR are intelligent addressable notification appliances engineered for high-performance fire alarm systems. Designed for indoor use and compatible with the Fireguard IQ600 series control panels, these devices deliver powerful audible and visual alerting with the precision and flexibility of addressable technology.

IQ673HS — Horn/Strobe
The IQ673HS combines a high-intensity white LED strobe with a powerful audible horn in a single, compact unit. The LED strobe offers six selectable candela output levels (15, 45, 75, 100, 130, and 177 cd), delivering superior coverage across a wide range of room sizes and configurations. The strobe flashes at one pulse per second across the full regulated voltage range, while the horn produces a Temporal 3 tone pattern fully compliant with ANSI and NFPA 72 emergency evacuation signalling requirements.

IQ673HR — Horn
The IQ673HR is a dedicated addressable horn appliance for installations requiring audible-only notification. It shares the same ANSI/NFPA 72-compliant Temporal 3 tone pattern and system synchronisation capability as the IQ673HS.

Addressable Intelligence
Both devices report their address and operational status directly to the Fireguard fire alarm control panel, enabling precise zone identification and system-wide monitoring. Multiple horns and/or strobes can be synchronised across an entire fire alarm system for coordinated, building-wide alerting.

Key Specifications

• Operating Voltage: 16–33 VDC (nominal 24 VDC)
• Sound Level: 85–95 dBA (depending on voltage and test standard)
• Effective Light Output (IQ673HS): 15, 45, 75, 100, 130, 177 cd (selectable)
• Strobe Pattern: 1 flash per second
• Horn Pattern: Temporal 3
• Operating Temperature: 0°C to 49°C (32°F to 120°F)
• Operating Humidity: 0–93% RH
• Wire Size: 12–18 AWG
• Mounting: Indoor wall or ceiling
• Compatible Model: IQ600 series

Flexible Installation
Supports both Class A and Class B circuit configurations for maximum system design flexibility.

Certifications: UL Listed (UL 1971, UL 1638, UL 464) | ULC-S525 | ANSI/NFPA 72 Compliant