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George Risk Industries designs and manufactures magnetic reed switches as well as keyboards, keypads, pushbutton and keyboard switches, proximity sensors and engraved keycaps. Our products are sold through a network distributors worldwide.

The security industry recognizes George Risk Industries as a quality manufacturer of door and window contact switches, environmental products, proximity switches and custom keyboards for the security industry. GRI's security products are used in alarm system installations in the residential, commercial, industrial, and government sectors.

GRI's other products such as keyboards, keypads, pushbutton and keyboard switches, proximity sensors and engraved keycaps have industrial, manufacturing, transportation and agricultural applications.


Switches
Sensors
Connectors
Magnets
Special Purpose
Accessories

Commercial and Industrial

Switch Sets

GRI's standard switches are made in the USA and come with a lifetime warranty against faulty workmanship, material and factory defects.

  GRI Part #   Primus Cable Part #   Top Seller   Description
400 400 Series Industrial Surface Mount Switch Set, Standard Gap Up To 1 1/2”, Wide gap up to 3"
4400 4400 Series Industrial Surface Mount Switch Sets, Standard Gap Up To 2 1/2"+, DPDT Gap Up To 2 1/2"
4700-A 4700-A Series Industrial Track Mount Switch Set, Track Size: 1.75"-2.75", Up to 3" Gap
4110 4110/4482 Series Commercial Overhead Door Surface Mount Switch Set,
4460 4460 Series Miniature Aluminum Commercial Surface Mount Switch Set, Standard Gap 1” or 3/4”+

High Security

Switch Sets

These switches were manufactured to provide a higer security supporting a range of industries such as automotive, aviation, medical equipment, communications, beauty appliances and domestic appliances but are not limited to just these industries.

  GRI Part #   Primus Cable Part #   Top Seller   Description
B200-36 Biased for High Security Switch Set, Supervisory Loops Upon Request
MS20RS-12 MS20RS-12/MS20RS-T Series Magnasphere Miniature 3/8” Recessed Switch Set, Longer Leads, Zip Cord or Jacketed Cable Upon Request, Closed Loop
MS2020S-12 MS2020-12/MS2020-T Series Magnasphere 3/8” Recessed Switch Set, Longer Leads, Zip Cord or Jacketed Cable Upon Request, Closed Loop
MS20F-12 MS20F/MS20-OF Series Magnasphere Recessed 3/8” Flanged Switch Set, Round/Oval Screw Down Flange, CLosed Loop
MS150-12 MS150-12 Series Magnasphere Recessed 1/2” Switch Set with Magnasphere Technology, Standard Gap 3/8”, Press Or Snap Fit, Closed Loop
MS180-12 MS180-12/MS184-12/MS8080-T Series Magnasphere Recessed 3/4” and 1" Steel Door Switch Set, Standard 1/2"+ Gap on Steel Wide Gap 1"+ Gap on Steel
MS28 MS28/MS29 & MS29P Series Magnasphere Surface Mount Switch Set, Standard Gap 3/8”
MS4400 MMS4400 Series Magnasphere Magnasphere Aluminum Industrial Switch Set, Standard Gap Up to 3/8”, 36" Armored/Jacketed Cables
MS4702 MS4702 Series Magnasphere Special Purpose Pull Apart Switch Set, 36" Armored/Jacketed Cable

Overhead Door Magnetic

Switch Sets

These switches provide the best way to protect overhead door contacts from industrial motorized traffic like forklifts and large trucks is to recess or bury them into the concrete floor, allowing vehicles of this type to safely pass over them totally unaffected.

  GRI Part #   Primus Cable Part #   Top Seller   Description
4510A 4510/4510AU Series Concealed Concrete Switch Sets
200-36WG 200WG/250WG Series Extended Gap Surface Mount Switch Sets
200-36 200/250 Series Industrial Overhead Aluminum Door Switch Set
4612 4612 Series Mini Curtain Door Switch Sets
4532 4532/4532L Series Miniature Overhead Door Switch Set

Pull Apart Magnetic

Switch Sets

These switches are used in applications where cables will be exposed to mechanical or environmental damage under normal operating conditions.

  GRI Part #   Primus Cable Part #   Top Seller   Description
8235-3 Armored Disconnect Cable Extensions With Connectors Switch Set
4704 4704 Series Special Purpose Pull Apart Surface Mount Reed Switch Set

Recessed Magnetic Contacts

Switch Sets

These switches make the set desirable in residential installations where no sign of an alarm system should be seen or where there is not room to install a larger diameter switch set.

  GRI Part #   Primus Cable Part #   Top Seller   Description
50RS-12 50RS Series Super Miniature 1/4" Recessed Reed Switch Set
50R-12 50R/50RF Series Miniature 1/4" Recessed Reed Switch Set
20RS-12 20RS/20RS-T Series Miniature 3/8” Recessed Switch Set
2020-12 2020-12/2020-T Series 3/8” Diameter Recessed Switch Set
20F-12 20F/20OF Series Recessed 3/8” Flanged Switch Set
2120-12 2120 Series Recessed 3/8” Ribbed Switch Set
5065-12 5065 Series Recessed 3/8" Wide Gap Press Fit Switch Sets
5088-12 5088/5088-T Series 3/8" Press Fit With Flat Magnet Switch Sets
150RS-12 150RS/150RS-T Series Recessed 1/2” Short Switch Sets
150-12 150/150-T Series Recessed 1/2” Short Switch Sets
120T-12 120T/4473 Series Recessed 3/4" Switch 3/8" Magnet Switch Sets
180RS-12 180RS/8080RS-T Series Recessed 3/4” & 1” Stubby Steel Door Switch Set
180-12 180-12/184-12/8080-T Series Recessed 3/4” and 1" Steel Door Switch Set
N120T-12 N120T Series Rare Earth Mighty Mag Series Switch Sets
N150-12 N150 Series Rare Earth Mighty Mag Series Switch Sets
N2020-12 N2020 Series Rare Earth Mighty Mag Series Switch Sets
N20RS-12 N20RS Series Rare Earth Mighty Mag Series Switch Sets
N2120-12 N2120 Series Rare Earth Mighty Mag Series Switch Sets
N50RF-12 N50RF Series Rare Earth Mighty Mag Series Switch Sets
N5065-12 N5065 Series Rare Earth Mighty Mag Series Switch Sets

Roller/Plunger/Tamper

Switch Sets

To allow the detection of people tampering with security equipment, devices known as “tamper switches” are often used. ... Mechanical micro switch or plunger type tamper switches are most commonly used, but optical or magnetic types of switches may also be used.

  GRI Part #   Primus Cable Part #   Top Seller   Description
TS-20-12 TS-20 Series Tamper/Plunger Switch
PB-2020-12 PB-2020/PBF-2020 Series Plunger Switch 3/8” Diameter
PB-100-12 PB-100/PBF-100 Series Push Button/Plunger Switch
DS-01-12 DS Series Short Roller Ball
RB-01-12 RB Series Roller Ball Plunger Contact
TS-01S TS-01 Series Box Tamper Switch

Surface Mount Magnetic Contacts

Switch Sets

Magnetic contacts are low-current devices that send a signal to an alarm or a supervised monitoring system when an armed door is opened.

  GRI Part #   Primus Cable Part #   Top Seller   Description
50-12 50/50F/55F Series Miniature Surface Mount Switch Sets
700-T 700 Series Capped Miniature Surface Mount Switch Set
500-12 500 Series Micro Surface Mount Switch Set
100-12 100/110 Series Miniature Surface Mounted Switch Sets With Leads
129A 129 Series Miniature Surface Mount Switch Set
505-12 505 Series Super Miniature Surface Mount Switch Sets
1100A 1100 Series Miniature Surface Mount Switch Sets
28A 28/29 Series Standard Surface Mount Switch Sets
29PA-12 29P Series Standard Surface Mount Switch Sets

Liquid Detection

Sensors

These sensors can be used to identify the point at which a liquid falls below a minimum or rises above a maximum level.

  GRI Part #   Primus Cable Part #   Top Seller   Description
2500 2500/2600 Series Water Sensor With Relay Con, 5 VDC, 12 VDC And 24 VDC, 6 Foot Jacketed Lead Standard, Closed or Open Loop
2500T 2500T/2600T Series Water Sensor With Relay Con, 5 VDC, 12 VDC And 24 VDC, 6 Foot Jacketed Lead Standard, Closed or Open Loop
2800 2800 Series Absence Of Water Detector, Form C Relay
2826 2826/2826FS Series Liquid Level Sensor, Form C Relay
WVS Water Valve Shutoff, Form C Relay

Temperature & Humidity Variation

Sensors

Temperature sensors measure air temperature, while humidity sensors measure air humidity. Both sensors are often applied in combination to reduce cost.

  GRI Part #   Primus Cable Part #   Top Seller   Description
H8800 H8800 Series Humidity Sensor
T8800 T8800 Series Temperature Sensor
T8000 T8000 Series Fixed Temperature Sensor

E-Z Duct

Raceway & Connectors

There are enclosed conduit that forms a physical pathway for electrical wiring. Raceways and connectors protect wires and cables from heat, humidity, corrosion, water intrusion and general physical threats.

  GRI Part #   Primus Cable Part #   Top Seller   Description
E-Z38-W E-Z Duct Raceway & Connectors, 6 Foot Lengths
E-Z58SG E-Z Duct Junction Box, 3.50” x 5.20” x 2”
E-ZQR6-W EE-Z Duct Raceway Quater Round & Connectors, 6 Foot Lengths

Magnets

Magnetic Switch

Simple magnetic switches are used to detect the opening of doors and windows.

  GRI Part #   Primus Cable Part #   Top Seller   Description
M-12 Alnico V Bare Magnets, Multiple size available
MF-875 Alnico V Bare Magnets, 1/8" x 3/8" x 7/8" w/ Adhesive Tape
M-4400 Magnets In Cases, Multiple size available
M4532 Industrial Aluminum Housing Magnets In Cases - 3.10" x 2.14" - 100 Pack
MM-375 Mighty Mag Rare Earth Magnets (Round) - 10 Pack
MM-45 Mighty Mag Rare Earth Magnets (Flat) - 10 Pack

Special Purpose

Custom Items

Use these items for projects that involve custom specifications.

  GRI Part #   Primus Cable Part #   Top Seller   Description
DPS70R Concealed Contact Hinged Door Positioning Switch
CS-1 CS Current Sensor Series Switch Sets
AA29P AA Dual Function Series Switch
AC180 AC Dual Function Series Switch
PP30 Engraved Wall Plate
GB-550 Glass Guard On The Glass Shock Sensor
HD-1 Hold-Up Switch - Latching/Non-Latching Indicator
HVAC-Kit HVAC Kit
HVACO-Kit HVACO Omni-Directional Kit
6600 Junction Box
NC-20 Home Nurse Call System - Signaling Device
6973 Plug-In Power Supply 9VDC 50 mA Output (Non-Regulated)
2930 2930/2933 Series 12V/24V - 5V DC-DC Converter 350 mA Output (Regulated)
8065 AC/DC 12 VDC Adaptor (Regulated)
2935T Power Supply +5V 700 mA (Regulated)
PTD-1 PTD-1 Power Transfer Device
PTDC PTDC/PTDLC Series Power Transfer Device With Custom Lengths
QDC-20 Quick Disconnect Cord
SRC-12 Service Repair Connector
SG-1 Shockgard USA
4561 4561/4561R Series Tilt Sensor
CT3-2-1 CT3 Series Touch Sensor
VS-06 VS Series Venting Switch Set
WB-30-42 Alarmed Window Bar - Fits Windows 30"-42"
WT-01 Wire Trip Switch

Track and Gate

Mounting Kits

These mounting kits are used for Industrial/Econony fence gate posts.

  GRI Part #   Primus Cable Part #   Top Seller   Description
8450-1 8450 Series Track and Gate Mounting Kits
8297 8297/8297-Kit Series Industrial Track Mount Overhead Kits
8299-G 8299-G/8299-G-Kit Series Economy Track Mount Overhead Kits
S-10 "L" & "Z" Brackets
4175 410 "L" Mounting Bracket - 10 Pack

Home and Commercial

Electronic Devices

These items are compatible to use with our other home and commercial products.

  GRI Part #   Primus Cable Part #   Top Seller   Description
LVSD LVSD/LEDSD Series Low Voltage/LED Switching Device
CC-01 Current Controller - Automatic AC Voltage Switching System
DA-1 DA Series Door Alert Annunciator
290-1 290 Series Door Monitor
DM-1 Door?Man Garage Door Kit
PTDC PTDC/PTDCL Series Power Transfer Device With Custom Lengths
SB-2000 SB-2000/SB-2001 Series Timed Electronic Shunt

Pool Alarms

Accessories

Used to alert you when a person makes contact with your pool. Using electronic sensors, these alarms can detect when something enters into your swimming pool, including pets, kids, and other items.

  GRI Part #   Primus Cable Part #   Top Seller   Description
289CP-1 289 CP Series Child Resistant Pool Alarm - ETL Listed
DPARM DPARM - Closed Loop Pool Alarm
289-1 289 Series Pool Alarm Door Alert - ETL Listed
189-1 189 Series Pool Alarm Door Alert - ETL Listed
GT10-2 GT10 Series Gate Mount Pool Alarms
289N-1 289N Series Pool Alarm Door Alert
189N-1 189N Series Pool Alarm Door Alert
289-4Kit 289-4/DPA-10R Series Pool Alarm Kit
084-1 084/184 Series Pool Alarm Remote - All Weather
DPA-10 DPA Series Pool Alarm Door Alert - U.L. Listed

Additional

Accessories

Finish up your new installations with the use of our accessories such as our armored cable extensions which are generally used to transfer power across gates and overhead doors where a standard switch will not work.

  GRI Part #   Primus Cable Part #   Top Seller   Description
6644T Resistor Pack, Terminal Block, Dual, 2-1K - 10 Pack
5702-U (100FT) 5702/8449/8296 Series Bulk Stainless Steel Armored Cable
8235-3 Armored Disconnect Cable Extensions With Connectors
DP-20RS Dummy Plugs - 100 Pack
PW-50RF Pre-Wire Plugs - 10 Pack
CB-1.0 Wire Run Plugs - 10 Pack
7834 Bushings - 10 Pack
6726 Knockout Plugs or Seals for Electrical Box - 10 Pack

Have Questions about GRI or would like to place an order?

If you have further questions about any GRI products or would like to place and order with us please leave us a message using the form below. Someone from our team will respond to your message as soon as possible. We look forward to fulfilling your requests.

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