From Carling Technologies? the H/I Series of toggle switches are heavy duty switches, featuring a slow-make, slow-break contact mechanism. They fit the industry standard cut-out mounting hole. These switches are available in a wide range of momentary and maintained single throw or double throw circuits, terminations and bushing/toggle configurations.
Number of poles: H Series 3 pole, I Series 4 pole
Typical Applications: Food service, generators, industrial control & office automation
Heavy duty
Slow-make, slow-break contact mechanism