| Type | Fire Alarms |
|---|---|
| Brand | Honeywell |
| Unit Type | Unit |
| Model | SHIELD S-A4051 |
| Unit Quantity | 1 |
| Country of Origin | United Kingdom |
| MPN | S-A4051 |
Check the listing for details. SHIELD S-A4051 Isolator Base for Smoke Detector. Condition: New – Open box, Made in United Kingdom. Listed at 47.49 USD. It works by monitoring the loop for short circuits; if a fault is detected, the isolator automatically "cuts off" the affected section. This ensures that the rest of your smoke detectors and devices continue to function perfectly, maintaining the integrity of your life safety system.