Showing 145–160 of 728 results
$ 69.39
In stock
The GRI 29A-B is a brown magnetic reed switch designed for surface mounting.
The unit is equipped with a closed loop system, top terminals; covers. The switch offers a standard gap of up to 1 and 5/8 on steel.
$ 66.69
In stock
Longer Leads, zip cord or jacketed cable upon request ;
Built-in E.O.L. resistors and diodes upon request;
Switches or magnets available separately
$ 69.39
In stock
Longer Leads, zip cord or jacketed cable upon request ;
Built-in E.O.L. resistors and diodes upon request;
Switches or magnets available separately
$ 33.06
In stock
Miniature floor mount
Universal magnet for mounting flexibility
Cast aluminum casing for harsh environments
$ 21.99
In stock
Built-in Resistors and Diodes Available on Request;
Switches or Magnets are Available Separately;
Supervisory Loops Available
$ 189.00
In stock
GRI MF-875 Alnico V Bare Magnet, 1/8″ x 3/8″ x 7/8″ with Black Tape and Polarity End Painted, 100-Pack
$ 30.38
In stock
The GRI PW-375-W is a white, self-locking pre-wire plug with a 3/8 diameter x 9/16 L.
$ 60.08
Only 1 left in stock
Self Locking
Perfect for Pre-Wiring
Reusable
$ 20.64
In stock
Flanges for Reliable, Positive Retention
Replaces Old Mechanical Tampers
Adjustable Plunger from 1/4” to 1/2”
$ 59.40
In stock
Resistor only packs can be custom designed to your specifications using commonly available values. Available in, or without a case.;
Our very popular 6644 features 2 – 1K 1/8 watt 5% carbon film resistors in our 50R brown case with 2 blue and 2 black 12-inch leads.
$ 16.59
In stock
Self-locking
UL and ULC Approved
Solid, One Piece Design
$ 33.06
In stock
The G.R.I. 4460 Series is a compact, nice looking and extremely rugged switch set offered with or without armored cable that looks like it belongs when installed and not added as an after thought
The 4460 Series switch sets are resistant to nuisance vandalism and will blend in to the friendlier and more decorative atmosphere of today’s institution whether it be health care or an educational facility.
$ 35.76
In stock
Lifetime Warranty
Colors: White, Brown, Grey or Black
UL and ULC Approved
$ 73.75
In stock
Resistor only packs can be custom designed to your specifications using commonly available values. Available in, or without a case
Our very popular 6644 features 2 – 1K 1/8 watt 5% carbon film resistors in our 50R brown case with 2 blue and 2 black 12″ leads
$ 77.49
In stock
Longer Leads, zip cord or jacketed cable upon request ;
Built-in E.O.L. resistors and diodes upon request;
Switches or magnets available separately
$ 30.36
In stock
Lifetime Warranty
Colors: White, Brown, Grey or Black
UL and ULC Approved