NW cam switch

The Spohn & Burkhardt NW controlers comprises three robust cam switches staggered by switching power. A massive knob, form-fitting attached to the square shaft with metal lined milled cams, controls in double contact elements embedded positively opening switch contacts. Moreover spacious dimensioned ceramical arc chambers with Dejon-sheets, strong blow magnets and a large-open contact way ensure a safe switching.Optional closure devices made of metal for hanging padlocks or stable housing made of cast aluminum or metal are available.

The NW cam switch has proven itself to be a reliable solutions over the last couple of decades. The NW has been operating under extreme environmental conditions in cement factories, in belt drives, as travel limit switches in the crane area and everywhere where a rugged, durable cam switch is required.

Max. protection class outside / inside IP54 / IP00
Installation from below
Number of notches 5
Spring return yes
Operating temperature -40°C / +60°C
Switching cycles min. 1 milion
Max. Voltage / Current

400V / 25A

400V / 63A

Max. number of contacts per direction of movement 24
10 yrs waranty yes
Rotating drive yes