Brief tutorial video details the background for the development and varied applications of switch, circuit breaker, potentiometer and encoder environmental protection sealing boots. Types, conditions, IP ratings, UL and military specifications are reviewed.
Joseph Schwartz from The Bergquist Co. shows Lee Teschler of Machine Design magazine the advantages of heat-sealed membrane switches over pressure sensitive adhesive (PSA) membrane switches in harsh environments. 6:57
The WT Series of sealed toggle switches from NKK Switches, Scottsdale, Ariz.(nkkswitches.com), have front panels with an IP67 rating and sealed back panels with an IP60 rating.
75 years ago, in October 1932, Honeywell invented one of the first components to supercharge the race to miniaturization and high performance in electronics.
pushbutton encoder or rotary switch from Duraswitch, Mesa, Ariz. (www.duraswitch.com), called the thiNcoder-PB can be placed directly into layers of a membrane switch or flex circuit.
When a company switches from filling cookie to cereal boxes, it requires a quick and efficient system that can handle the different dimensions of the various boxes.
The DynaMotor from DynaMotors Inc., Warrensville Heights, Ohio, uses optically controlled solid-state switches embedded in the rotor windings to control current and, thus, torque, making the motor a self-contained variable-speed drive.
