S4 Detectors
Gent S4-901 Optical Heat & CO Sensor + Speech & Strobe
- Max quantity per loop
- 200
- weight
- 110g (170g with base) g
- dimensions
- Diameter=117mm: height=49.6mm
Required to operate
Needed to install, power or certify this product.
Base - Common for all S-Quad Sensors
White sensor mounts on the common white S-Quad sensor base
Overview
What it is and how it fits the system.
The Gent S4-901 is a Dual Angle Optical Heat & CO Sensor with Speech and Strobe, an S-Quad loop device combining multi-criteria detection with a voice/speech sounder and an integrated Visual Alarm Device (strobe). It brings optical, heat and CO sensing together with audible and visual alarm output in a single loop unit, supporting up to 200 devices per loop.
Technical overview
The S4-901 by Gent by Honeywell is a Dual Angle Optical Heat & CO Sensor + Speech + Strobe within the S4 Detectors range, designed as an S-Quad loop device integrating multi-criteria detection with voice/speech sounder and visual alarm output in a single unit. It uniquely combines optical, heat and carbon monoxide sensing with audible and visual alarm capabilities, supporting up to 200 devices per loop for scalable fire safety systems.
Weighing 110g (170g with base) and measuring 117mm in diameter by 49.6mm in height, the S4-901 requires the S4-700 common white S-Quad sensor base for installation and is compatible with the S4-FLUSH semi-flush mounting kit for discreet deployment. It supersedes the S4-911 model, offering enhanced functionality in a compact form factor for modern addressable fire detection applications.
Specifications
Full technical data for this part.
| Description | Dual Angle Optical Heat & CO Sensor + Speech + Strobe |
|---|---|
| Symbol | O2HCO |
| Max quantity per loop | 200 |
| weight | 110g (170g with base) g |
| dimensions | Diameter=117mm: height=49.6mm |
Specifications sourced from manufacturer documentation.
Specifications per manufacturer documentation, subject to change — E&OE. Spotted an inaccuracy? Let us know
Enhancements (optional)
Optional additions — this product works without them.
S-Quad Semi-Flush Mounting Kit
White non-VAD/Sounder S-Quad can be semi-flush mounted with the S4-FLUSH kit