Complete your setup
Everything this camera needs, matched by our specialists. Silarius picks first.
The Edwards Signaling SD-CJ is a SuperDuct Series controller for duct smoke detection. Duct detectors sample air in HVAC ducts so fans can be shut down and an alarm raised if smoke is drawn into the air system.
- Model: SD-CJ
- SuperDuct Series controller
- RJ45 connection
- 24V DC/AC, 120/230VAC operating voltage
- 18VDC auxiliary output
- Normally open contact
Shipping
Free US shipping on orders over $200. Orders under $200 ship at the rate shown at checkout. Oversized items ship by freight; we confirm the quote with you first.
Shipping policyReturns
Special order: no returns without a manufacturer RMA. Wrong or defective items are always covered.
Start a returnDamaged or wrong item?
Tell us within 3 days of delivery with photos and we'll make it right, with no fee.
Contact usKidde warranty
This product is covered by the manufacturer's warranty. We help you with the claim from start to finish.
Warranty detailsSupport from real people
Setup questions, compatibility, firmware: chat with a specialist or email info@silarius.com, Monday to Friday, 8am to 4pm ET.
Chat with usBusiness accounts
Approved businesses can pay on Net 30 / PO terms after their second completed order.
Ask about termsFrequently bought together
Save money buying these products together


