GRI

SKU: 4473-W

GRI 4473 Series 3/4" Recessed Contact for Wood/Aluminum/Vinyl

3/4" recessed magnetic reed contact for wood, aluminum, vinyl doors

• 3/4-inch recessed door contact for wood, aluminum, and vinyl frames
• Recessed mounting hides hardware - low visual impact at the frame
• Lifetime US-made magnetic reed switch (N.O.) for door monitoring

GRI

SKU: 4532

GRI 4532 Mini Overhead Door Contact

Mini overhead door contact with magnetic reed switch for low-profile monitoring

• Mini overhead door contact uses no-moving-parts magnetic reed
• Lifetime US-made warranty for high-traffic warehouse doors
• Compact form factor fits tight overhead door frame cavities

GRI

SKU: 4532L

GRI 4532L Mini Overhead Door Contact with Lead Wire

Mini overhead door contact with hardwired lead—no power needed

• Mini overhead door contact with pre-attached lead wire
• Lead-wire termination cuts on-site wire pulls and conduit
• Lifetime US-made warranty for retrofit overhead door installs

GRI

SKU: 4612

GRI 4612 Mini Curtain Door Contact Sensor

Mini contact sensor for curtain doors and cabinet enclosures

• Mini curtain door contact for thin-wall and cabinet installations
• Contact closure signaling to standard alarm zone inputs
• Lifetime US-made warranty - 0.15 lb compact housing

GRI

SKU: 4700A

GRI 4700A Industrial Track Mount Overhead Door Contact

Track-mounted overhead door contact for industrial loading docks

• Industrial track-mount overhead door contact for warehouse doors
• Track mounting protects sensor from door cycle impact and debris
• Lifetime US-made warranty for high-cycle commercial deployments

GRI

SKU: 4704

GRI 4704 Pull-Apart Industrial Contact

Tool-free pull-apart contact for access control and strike systems

• Pull-apart industrial contact disconnects tool-free for service
• Lifetime US-made warranty - rated for high-cycle access points
• Drops onto standard ELK and 3rd-party access panel zone inputs

GRI

SKU: 500-W

GRI 500 Series Micro Surface Mount Contact

Micro surface mount contact for GRI 500 series door monitoring

• Micro surface-mount door position contact for tight install spaces
• 5VDC operation drops into standard alarm zone wiring
• Lifetime US-made warranty - 0.45 lb compact housing

GRI

SKU: 505-W

GRI 505 Series 1" Super Mini Brad Surface Mount Contact

1" super mini brad contact for compact access control installations

• 1-inch super-mini brad surface-mount contact for tight installs
• Lifetime US-made warranty - 0.45 lb compact housing
• Switches and magnets available separately for custom door geometry

GRI

SKU: 5065

GRI 5065 Series 3/8" Recessed Magnetic Reed Contact

3/8" recessed magnetic reed contact for concealed door detection

• 3/8-inch recessed magnetic reed contact for standard door frames
• Matches 95% of commercial door-to-frame clearance configurations
• Lifetime US-made warranty - 1 lb sealed reed switch assembly

GRI

SKU: 5088-W

GRI 5088 Series 3/8" Flat Magnet Recessed Contact

3/8" recessed flat magnet contact for door position feedback

• 3/8-inch flat magnet recessed contact for standard frame depths
• Reduced protrusion lowers tampering and snag-hazard exposure
• Lifetime US-made warranty for commercial door monitoring

GRI

SKU: GB-550

GRI GB-550 Glass Break Sensor Open Loop

Acoustic glass break sensor, open loop wiring, 12/24VDC compatible

• Glass break sensor uses acoustic signature for fracture detection
• Filters glass break frequency from ambient vibration and noise
• Open-loop output drops into standard alarm zone wiring

GRI

SKU: GI-29AW

GRI GI-29AW Magnetic Door Contact

• Wide-gap surface-mount magnetic door and window contact
• Normally-closed (NC) hardwired output for fail-safe loop monitoring
• Compact white housing matches residential and office trim

GRI

SKU: GR1840

GRI GR1840 Oval Channel Magnet with Recessed Switch

Oval channel magnet with integrated recessed switch for door status feedback

• Oval channel magnet with built-in recessed reed switch in one unit
• Single-component install - no separate magnetic contact wiring
• Lifetime US-made warranty - recessed mount for clean appearance

GRI

SKU: GR2721

GRI GR2721 High Security Biased Contact

UL634 Level 2 recessed contact for high-security entry monitoring

• UL634 Level 2 high-security biased contact resists tamper and defeat
• 0 to 3/16 inch (4.76 mm) sensing gap for tight surface mount fit
• 10 uA standby current for very low alarm power budget impact

GRI

SKU: GR2723

GRI GR2723 High Security Biased Contact

High-security biased contact for access control door strikes

• Biased magnetic contact for high-security door position monitoring
• Lifetime US-made warranty - tamper and defeat resistant
• Drops into standard alarm zone wiring with EOL resistor compatibility

GRI

SKU: MS4702

GRI MS4702 Magnasphere High Security Contact

Magnasphere magnetic reed switch for high-security door monitoring

• Magnasphere magnetic reed contact for high-security door monitoring
• Lifetime US-made warranty - drop-in for critical access points
• Compatible with standard alarm panel zone input wiring