Overview
The GS Measuring Contactor is a hybrid device combining the roles of a current sensor and a contactor. It is widely used in industrial power systems to monitor electrical parameters like current while enabling remote or automated circuit switching. Unlike traditional contactors, it eliminates the need for separate measurement devices, reducing installation complexity and costs. Its design adheres to international safety standards, making it suitable for harsh environments.
Structure and Working Principle
The device comprises a robust thermoplastic housing, electromagnetic coil, copper alloy contacts, and an embedded current transformer. The transformer measures current inductively, while the coil activates the contacts based on control signals. When current exceeds a set threshold, the contactor opens or closes the circuit, protecting equipment. Advanced models include communication modules (e.g., Modbus) for integration with SCADA systems.
Key Features
1. **Dual Functionality**: Merges measurement and switching, reducing component count. 2. **High Accuracy**: Typical current measurement accuracy of ±1%. 3. **Durability**: Contacts withstand 100,000+ operations; IP65-rated models resist dust/water. Optional features include overload alarms, data logging, and compatibility with smart grid protocols.
Application Areas
GS Measuring Contactors are deployed in: - **Energy Management**: Real-time monitoring in factories or commercial buildings. - **Renewable Systems**: Solar/wind farms for circuit protection and performance tracking. - **Automation**: PLC-controlled machinery requiring precise current feedback. They are unsuitable for high-frequency AC or DC circuits unless specified.
Maintenance and Precautions
Routine inspections should check for contact wear, loose wiring, and environmental damage. Clean contacts with alcohol if carbon buildup occurs. Avoid installation near heat sources or vibrations. Use surge protectors to safeguard internal electronics. Always de-energize circuits before servicing.
B2B Procurement Guide
1. **Specifications**: Confirm voltage (e.g., 400V AC), current range (e.g., 50–800A), and communication protocols. 2. **Certifications**: Look for CE, UL, or IEC 60947-4-1 compliance. 3. **Suppliers**: Partner with authorized distributors for warranties and technical support. Bulk orders (10+ units) often attract 5–15% discounts. Lead times vary from 2–6 weeks.
Related Manufacturers
- 主营：控制器、照度计、大学生、测量接触器、eflat-hg-ii、商用飞机、气动阀门、真空成型机、手持验光计、转速传感器、压力测试仪、高压发生器、方程式电机、汽车控制开发、6dr5020-0ng03-0aa0、标准光源灯管
- 主营：金属壳、测控仪表、水位测控仪、接触器、压力传感器、荷重测控仪、荷重传感器、超载限制器、高度传感器
- 主营：水流开关、防爆流量开关、流量温度一体式传感器、角测量电位器、流量传感器、温度变送器、压力变送器、温压一体传感器、温度压力一体式传感器、液位计、液位传感器、液位变送器、液位开关、油混水传感器、油中含水率监测仪、油中微水传感器、流量开关、涡轮流量计、涡街流量计、叶轮流量计、电磁流量计
- 主营：接触角测量仪、动态接触角测量仪、静态接触角测量仪、全自动接触角测量仪、手持便携型接触角测量仪、大样品台接触角测量仪、光学接触角测量仪、非标接触角测量仪、水滴角测试仪、接触角测试仪
- 主营：工字钢冷弯机、小导管生产线、混凝土输送泵、接触器、混凝土湿喷机、注浆泵灌浆机、预制件生产线
- 主营：恒温恒湿试验箱、拉力试验机、冷热冲击箱、二次元测量仪、全自动影像测量仪、紫外老化试验箱
- 主营：一体化蒸馏仪、红外分光测油仪、生物毒性检测仪、接触角测量仪、土壤养分检测仪、BOD测定仪、COD氨氮总磷总氮检测仪、酶标仪、微波消解仪、TOC总有机碳检测仪、微生物检测仪、浊度计、食品安全检测仪、ATP荧光检测仪、真菌毒素检测仪、粮食重金属检测仪、黄曲霉素检测仪、密封性测试仪、超声波明渠流量计、卡尔费休检测仪、多普勒流速流量仪、农药残留检测仪、氨氮检测仪、COD消解仪、超声波细胞破碎仪
- 主营：电缆故障测试仪、高压开关测试仪、直流电阻测试仪、接触电阻测量仪、绝缘电阻测试仪、接地电阻测试仪、互感器测试仪、工频耐压试验装置、继电保护测试仪、变压器测试仪、变压器变比测试仪、直流高压发生器、局部放电测试仪、蓄电池测试仪、电能质量测试仪、sf6气体测试仪
- 主营：食品安全检测仪、土壤检测仪、肥料检测仪、接触角测量仪、真菌毒素检测仪、粮食安全检测仪、农药残留检测仪、超声波细胞破碎仪、行星式球磨仪、冻干机、兽药残留检测仪、抗生素检测仪、ATP荧光检测仪、电缆故障测定仪、多参数水质检测仪、多普勒流速仪、土壤氧化还原电位仪、土壤紧实度测定仪、低温恒温槽、分液工作站、植物根系分析仪
- 主营：接触器、计米器、电子码表、电子计数器
- 主营：食品安全检测仪、农药残留检测仪、大豆蛋白仪、接触角测量仪、尘埃粒子计数器、凯氏定氮仪、电位滴定仪、程控定量封口机、土壤养分检测仪、光合作用测定仪、土壤呼吸测定仪、红外CO分析仪、红外测油仪、浮游菌采样器、残氧仪、COD消解仪、超微量分光光度计、生物毒性检测仪、液体密度计、闪点测试仪、微波消解仪
- 主营：密封性测试仪、紫外分光光度计、凝胶成像仪、接触角测量仪、化学发光成像系统、多参数水质检测仪、COD氨氮总磷测定仪、真菌毒素检测仪、粮食呕吐毒素检测仪、叶绿素检测仪、密封性检测仪、光合作用测定仪、红外分光测定仪、生物毒性测定仪、蒸馏仪、均质器、油液颗粒计数器、光谱测金仪、手持式电波流速仪、全波长酶标仪、超声波破碎仪、闪点测试仪、凝点倾点测定仪、顶空分析仪、激光测距测高仪、冻力测试仪
- 主营：多参数水质检测仪、COD测定仪、氨氮测定仪、全自动接触角测量仪、总氮测定仪、总磷测定仪、红外测油仪、便携式红外测油仪、便携式多参数水质检测仪、BOD测定仪、密封性测试仪、生物毒性检测仪、水质分析仪、包装密封性检测仪、测油仪、COD氨氮检测仪、水中叶绿素a测定仪、余氯检测仪、硅酸根分析仪、水中油检测仪、水质重金属检测仪、浊度检测仪、BOD快速测定仪、程控定量封口机、水质微生物检测仪、溶解氧检测仪
- 主营：变频器、软启动器、软起动器、接触器、xpd系列软启动器、西普达变频器、压缩机软启动器、低压干式软启动器、电机软启动器、智能软启动器、三相电机调速变频器、xpd软启动器、xpd系列软起动器、三相电机软启动器、三相电机软起动器、西普达变频调速器、xpd系列变频器、西普达电机变频器、电机变频器、西普达电机变频调速器、xpd软起动器
- 主营：信号隔离模块、信号转换模块、隔离变送器、接触电阻信号测量、信号变送器