GRI

GRI · 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 · 6600

GRI 6600 Junction Box

Corrosion-resistant junction box for AC/DC circuits, 10–14 AWG

• Junction box for ELK and 3rd-party security wiring termination
• Multiple knockouts and conduit entries for flexible cable routing
• Lifetime US-made warranty - includes mounting screws

GRI · 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 · 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 · 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 · 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 · 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 · 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 · 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 · 4402AB

GRI 4402AB Biased Aluminum Industrial High Security Contact

Industrial aluminum high-security contact for access control readers

• Biased aluminum high-security industrial contact resists tampering
• Engineered bias mechanism for consistent contact engagement
• Lifetime US-made warranty for industrial access control deployments

GRI · 4110

GRI 4110 Commercial Overhead Door Contact

Commercial overhead door contact for access control integration

• Commercial overhead door position contact for warehouse doors
• Provides real-time open/closed feedback to access control systems
• Lifetime warranty - US-made 3.6 x 3.7 x 0.9 in housing

GRI · 2826FS

GRI 2826FS Liquid Level Detector

Industrial liquid level detector with 30VDC operation and wall mount

• Liquid level detector signals presence and level state in real time
• Wall-mount form factor fits tank, sump, and reservoir installs
• Industrial-grade build for facility process control environments

GRI · 2808

GRI 2808 Absence of Water Detector

Water absence detector for server rooms and equipment enclosures

• Absence-of-water detector signals dry condition at the probe
• Operates -40 to 70 degrees C for outdoor and unheated rooms
• 12 inches of direct-burial cable for outdoor sump-pit deployment

GRI · PTDC

GRI PTDC Power Transfer Device with Connector

Power distribution for multi-reader access control with signal isolation

• Power transfer device with connector for multi-door access systems
• Twist-lock cable interface for rapid deployment and replacement
• Lifetime US-made warranty - includes mounting screws and hardware

GRI · 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 · 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 · 410P-W

GRI 410P Series 4" Commercial/Industrial Surface Mount Contact with...

4" surface mount door contact for commercial access control systems

• 4-inch commercial surface-mount contact with 36-inch armored cable
• Pre-attached shielded leads cut on-site wire pulls
• Built-in EOL resistors and diodes available on request

GRI · 410-W

GRI 410 Series 4" Commercial/Industrial Surface Mount Contact

4" surface mount contact for door monitoring & strike control

• 4-inch commercial surface-mount door contact for industrial install
• Side-terminal connections accept conduit and armored cable
• Lifetime warranty - US-made magnetic switch and magnet assembly

GRI · 400-W

GRI 400-W 4" Surface Mount Contact

4" surface mount contact for TCP/IP networked door access control

• 4-inch surface-mount door contact fits standard frame cutouts
• Built-in EOL resistors and diodes available on request
• Drops onto existing door hardware with no frame modification

GRI · PTD-1

GRI PTD-1 Power Transfer Device