- Fast Shipping
- Huge Inventory
- Trusted by Contractors
- 24/7 Ordering
The System Sensor 4W-B is a conventional four wire smoke detector designed to provide dependable fire detection in commercial fire alarm systems. Utilizing advanced sensing technology, it delivers early smoke detection while minimizing nuisance alarms through automatic sensitivity verification and continuous detector supervision.
The detector features a low profile design, dual LED status indicators, a plug in construction, and a built in magnetic test feature for simplified installation, testing, and maintenance. Its reliable performance makes it suitable for a wide variety of commercial and industrial fire detection applications.
The 4W-B operates on conventional four wire fire alarm circuits with a nominal operating voltage of 12 or 24 VDC. Automatic sensitivity verification continuously monitors detector performance to help maintain reliable operation and support scheduled maintenance.
Dual LEDs provide visible detector status while a built in magnetic test feature allows functional testing without removing the detector. The detector also supports remote alarm indication through a compatible remote LED.
| Weight | 3 lbs |
|---|---|
| Dimensions | 6 × 6 × 6 in |
Your Payment information is processed securely. We do not store credit card details, nor have access to your credit card information.
Orders ship same day
Thousands of parts in stock
Reliable products & service
Order anytime, anywhere
The System Sensor 4W-B is a conventional four wire smoke detector designed to provide dependable fire detection in commercial fire alarm systems. Utilizing advanced sensing technology, it delivers early smoke detection while minimizing nuisance alarms through automatic sensitivity verification and continuous detector supervision.
The detector features a low profile design, dual LED status indicators, a plug in construction, and a built in magnetic test feature for simplified installation, testing, and maintenance. Its reliable performance makes it suitable for a wide variety of commercial and industrial fire detection applications.
The 4W-B operates on conventional four wire fire alarm circuits with a nominal operating voltage of 12 or 24 VDC. Automatic sensitivity verification continuously monitors detector performance to help maintain reliable operation and support scheduled maintenance.
Dual LEDs provide visible detector status while a built in magnetic test feature allows functional testing without removing the detector. The detector also supports remote alarm indication through a compatible remote LED.
| Weight | 3 lbs |
|---|---|
| Dimensions | 6 × 6 × 6 in |
There are no reviews yet.
Your Payment information is processed securely. We do not store credit card details, nor have access to your credit card information.
Select at least 2 products
to compare
Reviews
There are no reviews yet.