Zener diode barriers

Zener diode barriers are designed to effectively limit excess energy before it reaches a hazardous area.
October 10, 2009

TURCK MZB Zener Diode Barriers
MZB series Zener diode barriers are designed to effectively

limit excess energy before it reaches a hazardous area. The barriers provide

convenient removable terminals within an extremely efficient and space-saving

design with channels as small as 6.3 mm wide. The barrier series features a

bussed power feed and offers both relay and solid-state switch models.

Each channel of the barriers is fitted with two stages of

pulse-tested Zener diodes and an infallible terminating resistor. If an

electrical fault such as an overvoltage occurs in the non-hazardous area of the

barrier, the Zener diodes limit the voltage available to hazardous area

circuits, while the series resistance limits the current. Within this circuit

is a fuse designed to immediately and safely rupture if the excess energy

continuously applied to the barrier exceeds the design criteria for the loop.

TURCK

www.turck.us