Radionix Commercial Metal Door Contact ISN-CMET-200AR, Closed Loop, Wide Gap
Know when the door opens.
A wired, surface-mount magnetic contact that signals your alarm system when a protected door or window opens. Closed loop with a wide gap, aimed at commercial openings.

An open door means nothing if the panel never hears it.
Perimeter protection depends on each opening reporting its state to the alarm panel. A magnetic contact is the part that does that job.
Built for commercial openings
A metal, wired contact with a closed loop and a wide gap for hardwired alarm zones.
Closed loop design
Contact Type is Closed Loop, with an N.C. contact configuration.

Lead length
The wired contact comes with an 18" lead.
Wide gap
Made for commercial applications that need a wide gap between the switch and the magnet.
Metal construction
The contact is made of metal and comes in a silver finish.
Wired, surface mount
Connects by wire to hardwired alarm system zones and mounts on the surface, with an 18" lead.
Everything you need to know.
| Brand | Radionix |
| Model | ISN-CMET-200AR |
| Contact Type | Closed Loop |
| Contact Configuration | N.C. |
| Contact Resistance | 150 Micro Ohm |
| Connectivity Technology | Wired |
| Mounting Type | Surface Mount |
| Material | Metal |
| Color | Silver |
| Lead Length | 18" |
| Installation Type | Commercial |
| Packaged Quantity | 1 |
Radionix Commercial Metal Door Contact ISN-CMET-200AR, Closed Loop, Wide Gap
The Radionix ISN-CMET-200AR is a magnetic door contact (Commercial Metal Contact). It signals the alarm system when a protected door or window opens, and is aimed at installers protecting residential and commercial openings.
Magnetic contacts are made of a switch and a magnet mounted on the frame and the door or window. When the opening moves and the magnet separates from the switch, the contact changes state and the alarm panel registers the zone as open.
Key Features
- Closed loop.
- Wide gap.
- Ideal for commercial applications.
Specifications
- Brand: Radionix
- Model: ISN-CMET-200AR
- Product Type: Magnetic Contact
- Connectivity Technology: Wired
- Contact Configuration: N.C.
- Contact Resistance: 150 Micro Ohm
- Lead Length: 18"
- Mounting Type: Surface Mount
- Standard Gap: 1.25"
- Application/Usage: Commercial
- Product Material: Metal
- Weight (Approximate): 2.01 lb
- Input Current: 1 A
- Input Voltage: 120V AC
- Power Source: AC
- Contact Type: Closed Loop
- Installation Type: Commercial
- Package Contents: Contact, 1 x Magnet
- Shipping weight: 0.24 lb
Typical Uses
- Door and window perimeter protection
- Commercial doors, frames and openings
- Hardwired alarm system zones
Before ordering, confirm that this part matches your control panel, detector or system model and the wiring or frequency in use. Check the specifications above and the installation guide for your system.
Need help with compatibility?
Looking for a manufacturer part number, compatible replacement, or quantity order? Contact Raztechs for sourcing and quote support.

Radionix ISN-CMET-200AR, ready to order.
- Contact
- 1 x Magnet
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