欧姆龙K8AK-LS 导电式液位开关100-240VAC 型号:K8AK-LS1 24VAC/DC电源电压:AC100~240V 210 欧姆龙 DC电源 电极式液位开关 61F-GPN-BT / -BC 型号:61F-GPN-BT/-BC 181 欧姆龙K8AK-LS 导电式液位开关24VAC/DC 型号:K8AK-LS1 24VAC/DC电源电压:AC/DC24V 179