The modular design of this top-of-the-line set makes it possible to configure the TM1800 for measurements on all known types of circuit breakers in operation on the world market. The robust design product contains powerful technology that streamlines circuit breaker testing. Sophisticated measurement modules enable great time savings as many parameters can be measured simultaneously, eliminating the need for new setup each time. The circuit breaker can be grounded on both sides throughout all tests including timing due to the patented DCM module. Dual Ground™ testing makes the testing safe and time saving.