Availability
Mfr. part #: OP121
In stock: 300+ 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 OP121 (S54372-F1-A1) is a conventional photoelectric smoke detector with microprocessor-controlled self-diagnostics. It checks its own sensitivity, so separate sensitivity test equipment is not needed during routine maintenance.
- Photoelectric sensing for conventional fire alarm circuits
- Built-in self-diagnostic circuitry with automatic sensitivity verification
- Three-colour LED shows detector status at a glance
- Magnet test proves wiring and connection back to the control panel
- Supports optional remote LED indicators
Check the panel and base compatibility list before ordering.
| Brand | Siemens |
|---|---|
| Manufacturer part number | OP121 |
| Product type | Smoke Detectors |
| Shipping weight | 0.3 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.