GRI-29C Indoor Magnetic Contact SensorRemotely monitor magnetic contact-closure sensors using ControlByWeb modules. The GRI Closure Sensors can be installed on most doors, windows, cabinets, security/control boxes, and more. Circuit Types: N/O or N/C |
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Magnetic contact sensors with ControlByWeb® productsConnected to a ControlByWeb product’s digital input, once the magnetic switch is in proximity of the magnet, it will open or close its contacts (depending on configuration), turning the digital input on/off. The ControlByWeb product can send an email/text and/or trigger a relay in a local or remote location. |
| Contact-Closure Sensor Wiring Diagrams Both the 29C and 28C have 3 terminals which allow to choose between a normally-open (NO) or normally-closed (NC) configuration. The MPS subminiature sensor has a pre-attached wire, and is configured as a fixed normally-open (NO) configuration. |
Upgrade your security—choose GRI Closure Sensors today!
Enhance your security with GRI Closure Sensors, offering versatile gap options from 1 inch to 2 inches with minimal gap penalty on steel surfacesRemotely monitor magnetic contact-closure sensors using ControlByWeb modules. Designed for flexible installation on doors, windows, cabinets, and control boxes