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The Siemens OOHC941 (S54320-F8-A2) is a two-wire addressable multi-criteria detector for Cerberus PRO and FireFinder XLS systems. It combines dual optical smoke sensing, two thermal sensors and an electrochemical carbon monoxide sensor while using a single address on the loop.
- Forward- and backward-scatter optical sensing with ASAtechnology signal analysis to reject dust, steam and aerosols
- Heat detection field-selectable from 135°F to 175°F (57°C to 79°C), fixed or rate-of-rise
- CO sensor with a 10-year service life; programmable CO supervisory warning 30 to 600 ppm
- Built-in ISOtechnology loop isolation
- 26 field-configurable application profiles
- 0.75 mA standby current; 0 to 4,000 fpm air velocity, including direct in-duct use
- UL 268, 268A, 521, 2034 and 2075; ULC Listed; FM and CSFM approved
Compatible with Cerberus PRO FC901, FC922, FC924, FV922, FV924, Cerberus PRO Modular and FireFinder XLS/XLSV. Base ordered separately; in Canada use the DB-11C (500-095687).
| Brand | Siemens |
|---|---|
| Manufacturer part number | OOHC941 |
| Product type | Smoke Detectors |
| Shipping weight | 0.5 lb |
| Condition | Brand new, factory sealed |
| Warranty | 1 year |
| Currency | Canadian dollars (CAD) |
Need a manual, listing or cut sheet that is not here? Email info@jemsystems.ca with the part number.
- Delivery across Canada in 2 to 4 business days.
- Free shipping on orders over $250 CAD.
- Returns within 30 days of the invoice date for unused items in original packaging, with an RMA number. Restocking fees may apply. See our refund policy.
- 1 year warranty on all products.
- Questions about an order? Email customerservicegroup@jemsystems.ca or call +1 909 235-5810.

