20-39倾斜开关,20-39料位检测开关、20-39堵溜槽开关、堵塞开关,煤流检测开关,料流开关,TILT SWITCH倾斜开关,型号有20-39,20-30,21-39,21-38,TILT SWITCH,RAMSEY,拉姆齐20-39倾斜开关;
6. 60-200转速监控系统、皮带打滑检测开关(传感器),RAMSEY60-22H-1, 60-22、60-24运行监控器;型号有60-22H-1,60-22H-2,60-22L-1,60-22L-2,60-22-1G等。
7.60-23P失速开关,欠速开关、转速监测开关,型号有60-23、 60-23P, Thermo RAMSEY欠速开关、Thermo RAMSEY失速开关,
8.DB-100撕裂开关,防撕裂开关、皮带撕裂保护开关,皮带输送机保护装置。型号有DB-100、Thermo Ramsey撕裂开关、RAMSEY撕裂开关