Product Details  ATS controller adopting microprocessor programmed control;  ATS controller B model controller adopting microprocessor programmed control; link with switchesbody togethe cleverlyr easy to operate and powerful, and the B model controller on the basis of increased C controller and D type LCD display fission controller. Types of breakers; C: Domestic breaker(CM1,C45) N: Schneider breaker(NS,C65) P: ABB breaker(ABB) Optional matchable breaker: A: Basic type(only offer self-transfer and self-recovery integrated ATS) B: Intelligent type(display the power supply voltagestart generatorfire fighting linkage)integrated type; C: Intelligent type(including control functions of B)digital tube display, split type; D: Intelligent type(including control functions of B, liquid crystal Chinese display interface) split type; For example: While ordering a dual-power automatic transfer switch, self-transfer and self-recovery, rated current of50A, domestic breaker CM1, A type controller.4p. You can write like this: YEQ1CA-63/4P(50A) While ordering a dual-power automatic transfer switch, self-transfer and self-recovery, rated current of 100A, ABB breaker, B type controller 4p. You can write like this: YEQ2CB-100/4P(100A) Please contact with the manufacture if you have some special requirements and note it while ordering.