Contact Sensors
Contact sensors, magnetic sensors, and door sensors compatible with ControlByWeb products
Water Leak Detection Sensor

In Stock
PART NUMBER
GRI-2605
DESCRIPTION
5VDC Water Sensor that detects water and other conductive non-flammable liquid
*This sensor is water resistant and is not rated for long-term submersion.
Magnetic Contact Sensors

In Stock
PART NUMBER
GRI-4701-A
DESCRIPTION
Heavy duty contact-closure sensor for garage door monitoring

PART NUMBER
GRI-4402-A
DESCRIPTION
Heavy duty contact-closure sensor for general industrial applications

GRI-29C
Contact-closure sensor with convenient side terminals
FEATURES
- Terminal Location: Side
- Circuit Types: N/O or N/C
- Gap Distance: 1" (5/8" on steel)
- Automatic Reset
In Stock

GRI-28C
Contact-closure sensor with concealed terminals on the bottom
FEATURES
- Terminal Location: Bottom
- Circuit Types:N/O or N/C
- Gap Distance: 1" (5/8" on steel)
- Automatic Reset
In Stock

MPS
Low-profile magnetic N/O contact-closure sensor
FEATURES
- Terminal Location: (none)
- Circuit Types:Fixed N/O Circuit
- Gap Distance: 1 1/4" (3/4" on steel)
- Low-Profile Design
In Stock