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The GRI 190-12-W is a 3/4″ recessed steel door switch set that uses a magnetic contact to report whether a door is open or closed. It suits commercial installers who want a wired, concealed contact for steel doors. Its solid one-piece, self-locking body and SPDT Form C output make it a straightforward choice for alarm and access-control wiring.
Brand: GRI (George Risk Industries)
Model: 190-12-W
Product type: Magnetic Contact
Application: Door
Mount type: Recessed Mount
Material: Steel
Color: White
Contact type: SPDT (Single Pole Double Throw)
Contact form: Form C
Standard gap: 0.50″
Power rating: 5W, 175VDC, 0.25 Amp
Power source: DC Power
Connectivity: Wired
Diameter: 0.80″
Length: 12.00″
Feature: End of Line (EOL) Resistor
Installation type: Commercial
Country of origin: US
Drill a clean hole to suit the 3/4″ switch, seat the switch fully, and keep the magnet aligned within the standard gap so the contact changes state reliably. Test the open and closed states at the panel before closing up the door and frame.
| Brand | GRI |
|---|---|
| Model | KB-190-12-W |
| Product type | Recessed Door Switch |
Specs are taken from the manufacturer listing. Need a detail that isn't here? Ask us.
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