Availability
Mfr. part #: OP921
In stock: 282 availableReady to ship today
Delivery across Canada in 2 to 4 business daysFree shipping on orders over $250 CAD
Buying for a project or in bulk?Request a volume quote
Genuine stockBrand new, factory sealed
1 year warrantyOn every product
30 day returnsSee our return policy
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Need help with this part?Call +1 909 235-5810 or email info@jemsystems.ca
Frequently bought together
The Siemens OP921 (S54320-F4-A2) is a plug-in, two-wire addressable photoelectric smoke detector for Cerberus PRO and FireFinder XLS systems. A dust-resistant light-scattering chamber and microprocessor signal processing give stable detection with automatic environmental compensation.
- Four panel-selected application parameter sets: Sensitive, Standard, Robust and Air-duct
- UL listed as self-testing, with complete diagnostics every 10 seconds
- SureWire technology makes the device polarity insensitive
- Tri-colour status LED with 360° visibility
- 16 to 30 VDC; 280 µA maximum standby and alarm current
- Air velocity 0 to 4,000 ft/min; 30 ft spacing (900 sq ft) per NFPA 72
- Ships with a protective dust cover
Base ordered separately.
| Brand | Siemens |
|---|---|
| Manufacturer part number | OP921 |
| 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.