Electro Technique for Trading &Industry - Discrepancy switches: The control discrepancy switch is used for controlling circuit breakers and isolating switches as well as for displaying and monitoring their switching positions in
SM2 control discrepancy switch | EAW
GAVE - Featured products: discrepancy switches
Discrepancy Switches | TRS
New VERSION DISCREPANCY SWITCH « KRAUS & NAIMER VIỆT NAM