本继电器是采用晶振、分频、计数原理设计制造的新型数字式时间继电器,用于继电保护系统
SS-17 SS-17A SS-17B |
SS-18 |
SS-21 SS-21A SS-21B |
SS-22 |
SS-23 |
SS-23E |
SS-24 |
SS-51 SS-52 SS-53 SS-54 |
SS-60 SS-61 SS-62 |
SS-71 SS-72 SS-73 SS-74 SS-75 |
SS-88 |
SS-94 SS-94B |
JSS-11 JSS-12 JSS-13 |
JS-113A JS-113 |
JS-103A JS-103SA |