The US-555 contact set is comprised of a stubby, 3/8″ sensor with wire leads and a long 3/8″ magnet. This configuration is excellent for doors with limited space in the frame. The magnet and sensor press into 3/8″ holes and Rhodium metal contacts and rare earth magnets provide reliable monitoring at a gap of up to .75 inches. This type of contact switch is for normally closed circuits; this means that when the magnets are lined up, the switch is closed. This type of setup is ideal for monitoring doors, windows, and sliding doors. The magnetic contact is wired to most hardwired security systems to notify you when the contact is broken – when a door is opened, window is opened, etc.
United Security Products US555 Camera Features
Features
- Feature: 3/8″ Press Fit – Allows for easy installation into narrow spaces without the need for additional mounting hardware.
- Feature: Super Stubby Design – Perfect for use in tight entries where standard sensors would not fit.
- Feature: Up to .75″ Gap – Provides flexibility in installation while ensuring reliable monitoring across various applications.
- Feature: Normally Closed Circuit – Ensures that the system is active and alerts you immediately when a door or window is opened.
Detailed Specifications for United Security Products US555
| Sensor Size | 3/8″ Stubby |
| Magnet Size | 3/8″ Long |
| Monitoring Gap | Up to .75 inches |
| Contact Type | Normally Closed |
| Material | Rhodium Metal Contacts, Rare Earth Magnet |
| Wiring | Compatible with most hardwired security systems |
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