60-23P欠速开关：
60-23P欠速开关是一种费用低、可靠性强，对轴转速及其它旋转装置简单通用的监测装置。欠速开关放置在防风雨的密封、抗腐蚀外壳内，允许暴露在恶劣环境中工作。非接触接近探测器，寿命长、维护费用低。两螺栓固定，确保安装简单。
一体化结构，集中的控制装置，设定或故障检修简单，无运动部件、无磨损、安全寿命长。
启动延迟：旋转设备起动过程中尚未达到工作速度时，10秒钟延迟报警。
技术参数：
电压：110／220VAC±15％ 频率：47-62Hz；
报警触点：两个(NO/NC可选)；
操作范围：60-600脉冲／分；
从传感器到铁类元件最远：10mm；
外壳：优质尼龙防风雨、防腐蚀，工作温度范围：-20℃~+65℃；
报警接点：2A，350Vac，无感性负载；
释放点：工作范围的15~99%.
60-23 P Under-speed switch is a low-cost, reliable and simple universal monitoring device for shaft speed and other rotating devices. The under-speed switch is placed in a weatherproof, sealed, corrosion resistant housing, allowing exposure to work in harsh environments. Non-contact proximity detector with long life and low maintenance cost. Two bolts are fixed to ensure easy installation. Integrated structure, centralized control device, simple setting or troubleshooting, no moving parts, no wear, long safety life. Start delay :10 seconds delay alarm when the working speed has not been reached during the start of the rotating equipment. Technical parameters: Voltage :110/220 VAC±15% frequency :47-62 Hz; Alarm contacts: two (NO/NC optional); Operating range :60-600 pulses/min; From sensor to iron element furthest :10 mm; Shell: high quality nylon weatherproof, anti-corrosion, working temperature range :-20℃~65℃; Alarm contact :2 A,350Vac, no inductive load; release point :15~99% of the scope of work.
