ZB-20F-450料位开关
ZB-20F-450料位开关产品介绍（中文）
ZB-20F-450阻旋式料位开关是一种用于固态物料（包括粉状、粒状、块状等）的物位控制设备。该产品采用永磁电机带动不锈钢叶片旋转的工作原理，当被测物料上升至叶片位置时，叶片受阻停止转动，通过传动机构触发开关信号并切断电源；物料下降后，叶片在弹簧拉力作用下恢复旋转状态。产品具有密封设计，防护等级达到IP65，可适应-10℃至80℃的工作环境（特殊定制可达400℃），适用于水泥、冶金、煤炭、饲料等行业。其特点包括：全密闭结构可在户外使用；油封设计防止粉尘渗入；五档灵敏度调节装置可适应不同比重物料；过载保护功能可避免外力损坏电机；304不锈钢材质确保耐腐蚀性。安装方式支持侧装或顶装，法兰或螺纹连接，叶片形状可根据物料特性选择。1312
ZB-20F-450 Level Switch Product Introduction (English)
The ZB-20F-450 rotary paddle level switch is designed for solid material level detection, including powders, granules, and bulk materials. Its working principle involves a permanent magnet motor driving a stainless steel paddle. When material rises to the paddle position, the rotation resistance triggers a switch signal and cuts off the power supply; as material level drops, the paddle automatically resumes rotation via spring mechanism. Featuring IP65 protection and operating temperature range of -10℃ to 80℃ (customizable up to 400℃), this device suits industries like cement, metallurgy, coal, and feed processing. Key characteristics include: fully sealed housing for outdoor use; oil-sealed design preventing dust ingress; five-stage sensitivity adjustment for materials with different densities; overload protection safeguarding motor; and SUS304 stainless steel construction. Installation options include side-mounted or top-mounted configurations with flange/thread connections, while paddle shapes can be selected based on material properties. The product demonstrates reliable performance in monitoring material height limits, particularly for conductive materials or substances with variable dielectric properties.3726
产品技术参数补充说明
该设备电源支持220VAC/110VAC/24VAC/24VDC多种规格，功率消耗为3W，触点容量8A/250VAC（单刀双掷）。标准叶片转速为1rpm（逆时针），旋转力矩1N·m，适用物料比重≥0.4g/cm³。电气接口采用M20×1.5规格，过程连接可选择JIS 2-1/2法兰或螺纹。针对特殊工况，可提供轴保护型设计，延长设备在磨损性物料中的使用寿命。产品采用机电分离结构，维护时无需拆卸整体，简化了检修流程。在食品加工或高粉尘环境中，其防潮防尘特性表现良好，且扭力弹簧的拉力可根据物料比重灵活调整，确保检测准确性。31113
Application Scenarios and Features
This level switch excels in monitoring bulk solids in silos, hoppers, and conveyors, especially for materials with changing physical properties (humidity, dielectric constant) or high dust conditions. The clutch mechanism automatically disengages when the paddle encounters excessive load, preventing motor damage. Its compact design allows easy installation in confined spaces, while the separable probe and controller design facilitates maintenance without process interruption. The device is commonly applied in: chemical plants for plastic pellet detection; power plants for fly ash level control; grain storage systems; and steel mills for raw material inventory management. The vibration-resistant construction ensures stable operation in industrial environments, and the visible paddle rotation status aids in quick troubleshooting. Customizable paddle lengths (100-800mm) and materials accommodate various vessel configurations.122126
ZB-20F-450料位开关
ZB-20F-450料位开关
一、产品简介：
阻旋开关是用于固态物料（包括粉状、块状、粒状、胶状等）的物位控制器。它具有密封性好、过载能力强、轻便易装、输出触点容量大等特点。针对不同比重的物料可通过调弹簧的拉力来实现，其接触物料部分全为不锈钢材料。阻旋开关在化工、塑料、水泥、制药、饲料、食品等行业得到了广泛的应用。
二、工作原理
电机带动叶片旋转，当被侧介质到达叶片位置时，叶片手足停止转动，从而触动后面的微动开关输出开关信号，当被测介质下降离开叶片时，叶片在弹簧的作用下恢复原位继续转动。弹簧的拉力可根据所测介质的比重进行调整，物料比重大时弹簧调整到*强，反之调至*弱。
三、产品特点
1.美国小料斗专业型技术，三个轴承支撑，运行更可靠；
2.开创的密封设计可防止粉尘渗入（砖利实际）；
3.扭力稳定可靠且扭力大小可调节；
4.叶片承受过重负载，离合器自动打滑，保护电机不受损坏；
5.机电分离式结构，整体免拆卸易维护；
6.接线盒IP65的防护等级，密封性好，可室外使用；
7.特殊叶片可使用于低密度物料；
8.适用范围广泛，可用于钢铁，水泥，电力，饲料，化学塑胶，化学肥料等；
四、技术参数
1.电源：220VAC/110VAC/24VAC/24VDC
2.触点容量：250VAC/10A SPDT(单刀双掷）
3.功率：4W
4.叶片转速：1RPM(转/分）
5.力矩：1.0kg×cm
6.物料比重：≥0.5g/cm3
7.工作温度：-10℃-80℃（*高可达400℃）
8.绝缘电阻：≥100MΩ
9.介电强度：1500*1min
10.防护等级：IP65
11.叶片材质：SUS304
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