Availability
Mfr. part #: B501-WHITEUPC: 783863054310
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
Secure checkoutEncrypted payments
Need help with this part?Call +1 909 235-5810 or email info@jemsystems.ca
Frequently bought together
The System Sensor B501-WHITE is a compact 4-inch plug-in base for intelligent smoke, heat and multi-criteria detectors. Its flangeless, low-profile design keeps a clean look on the ceiling while allowing heads to be swapped without rewiring.
- 4 in. flangeless plug-in detector base
- SEMS screw terminals for quick wiring
- Mechanical locking feature restricts removal of the detector head
- Low-profile design, about 0.7 in. high
- Bright white finish
- UL/ULC listed; UL 268
Detector head sold separately. For a larger flange that covers more junction box sizes, see the 6 in. B300-6.
| Brand | System Sensor |
|---|---|
| Manufacturer part number | B501-WHITE |
| UPC | 783863054310 |
| Product type | Bases |
| Shipping weight | 0.99 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.

