... relay output or one transistor output K8DT-PM Upper limit 22.5 mm Screws One SPDT relay output K8AK-PA Upper limit 17.5 mm Screws One SPDT relay output K8DS-PA Upper and lower limits 22.5 mm...

https://www.ia.omron.com/data_pdf/cat/k8dt_n210-e1_3_1_csm1050151.pdf

...的选择 三相电压+反相缺相继电器 K8DS-PM 对产业设备、装置的三相电源进行监测的选择 三相不平衡+反相缺相继电器 K8AK-PA 对产业设备、装置的三相电压不平衡进行监测的选择 三相不平衡+反相缺相继电器 K8DS...

https://www.fa.omron.com.cn/products/category/power-supplies_in-addition/measuring_motor-protective-relays/component-protective-components/measuring-monitoring-relays/?from=products