Total 2704 products for what is the function of relay Manufacture & Suppliers

• DV1-06 Voltage Relay Three Phase Failure Relay Voltage Device

  

  Technical parameters ��� Monitoring of 3-phase mains: - voltage in 2 levels (undervoltage and overvoltage) in range 120-277V (3P+N) or 208-480V (3P3W). - phase asymmetry - phase sequence - phase failure ��� A400: f...

  YUEQING RENHE ELECTRIC CO., LTD.

  China

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• High Speed Cable Number Printer Relay Test Equipment Auxiliary Tool

  

  ...Relay Test Auxiliary Tool I. Product Introduction and features It can print both stickers and heat shrink tubing, a multifunctional machine, easy to use, saving your cost. It can connect to the computer for ...

  WUHAN FANKE HAIWO HIGH VOLTAGE TECHNOLOGY CO.,LTD.

  Hubei,China

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• 380 Volt Overcurrent Current Balance Relay Integrative Structure For Blowers

  

  120 Volt Overcurrent Current Balance Relay Integrative Structure For Blowers Protection function Phase protection, three-phase unbalance protection, overload protection. Phase-failure protection: When any phase...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Phase Unbalance Current Monitoring Relay Integrative Structure For Compressors

  

  ...Relay Integrative Structure For Compressors ♦ Features -- Integrative structure -- Three-phase monitoring of overload, phase loss, phase unbalance -- Powered by the measuring circuit -- 1 NC SCR output conta...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Unbalance Current Control Relay 220V 380V With Knob Setting Method With 4 LEDS

  

  ...Relay 220V 380V With Knob Setting Method With 4 LEDS 1 Features Integrative structure Three-phase monitoring of overload, phase loss, phase unbalance Powered by the measuring circuit 1 NC SCR output contact ...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Blowers Three Phase Voltage Monitoring Relay Neutral Loss Protector Four Wire

  

  Blowers Three Phase Voltage Monitoring Relay Neutral Loss Protector Four Wire ◆Features -- Standard modular structure, rail mounting -- Zero line break function -- Real-time monitoring of overvoltage, undervolt...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Phase loss Three phase voltage monitoring relay JVR-380 220VAC Rated voltage

  

  ... -- Powered by the measuring circuit -- 1 C/O contacts -- 5 LEDs for status indication ♦ Protective Functions -- Phase sequence -- Phase loss -- Overvoltage -- Undervoltage -- Phase unbalance ♦ Typical Appli...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Voltage Failure Three Phase Reversal Protection Relay 250VAC Resistive Load

  

  ... phase relay Feature Compact size and DIN rail mounting Three-phase monitoring of phases sequence,phase loss,over and undervoltage and phase unbalance Powered by the measuring circuit 1C/O contact 5 LEDs for...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• 3 Phase Unbalance Time Delay Undervoltage Relay Compact Modular Size

  

  3 Phase Unbalance Time Delay Undervoltage Relay Compact Modular Size The under voltage protector is a multi-function three-phase three-wire power system or three-phase power equipment monitoring and protection ...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Refrigeration Units Three Phase Voltage Monitoring Relay phase reversal protect

  

  Refrigeration Units Three Phase Voltage Monitoring Relay phase reversal protect Neutral loss monitoring function could protect The three-phase circuit composed of a single-phase load is generally asymmetrical. ...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Digital Measuring And Monitoring Phase Loss Monitor Relay Protection Device

  

  Digital Measuring And Monitoring Phase Loss Monitor Relay Protection Device Technology Data Model JVR800-2 Measuring circuit L1,L2,L3 Rated voltage 208~480VAC,50/60Hz Monitoring functions phase sequence, phase ...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Adjustable Phase Loss Protection 3 Phase Monitoring Relay With Din Rail Mount

  

  ...Relay With Din Rail Mount Features Compact modular size Three-phase monitoring of phase sequence,phase loss,over and undervoltage and phase unabalance Adjustable over-and undervoltage threshold and dela y ti...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Sequence Protect Three Phase Voltage Monitoring Relay For Packaging Machine

  

  Sequence Protect Three Phase Voltage Monitoring Relay For Packaging Machine ♦ Technical date Model JVR800-2 Measuring circuit L1,L2,L3 Rated voltage 208~480VAC,50/60Hz Monitoring functions phase sequence, phase...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Din Rail 4 Wire Three Phase Voltage Monitoring Relay Over Under Voltage Protection

  

  ...Relay Over Under Voltage Protection ♦ Features -- Compact modular size -- Neutral loss -- Three-phase Four-wire monitoring of phase sequence, phase loss, over- and undervoltage and phase unbalance -- Powered...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• 4 Wire Over Under Voltage Protection Relay Phase Unbalance Neutral Loss Protector 3P + N

  

  ..., phase loss, over- and undervoltage and phase unbalance -- Powered by the measuring circuit -- 1CO & 1NC contacts -- 5 LEDs for status indication ♦ Protective Functions -- Phase sequence -- Phase loss -- Ov...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Voltage Monitor 3 Phase Monitoring Relay 220V 380V 440VAC 50/60Hz JVR -380

  

  ...phase unbalance -- Powered by the measuring circuit -- 1 C/O contacts -- 5 LEDs for status indication ♦ Protective Functions -- Phase sequence -- Phase loss -- Overvoltage -- Undervoltage -- Phase unbalance ...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Electric Control System Single Phase Undervoltage Relay Adjustable Trip Delay Time

  

  ... Control System Single Phase Undervoltage Relay Adjustable Trip Delay Time Product Model: DVM-A (potentiometer adjustment) Product Name: DC Voltage Protector Dimensions: 50H×40W×57.5Dmm The main function: ● ...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Single Phase Undervoltage Relay 3 LEDs For Status Indication 440VAC SVRD-220

  

  Single Phase Undervoltage Relay 3 LEDs For Status Indication 440VAC SVRD-220 1 , over-voltage protection: When the grid voltage is greater than the set value starts the protection function, the action threshold...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• Mining Excavator Single Phase Voltage Monitoring Relay 1C./O Output Contacts

  

  ...Relay 1C./O Output Contacts Features: Compact modular size Single-phase monitoring of overvoltage and undervoltage Adjustable over and undervoltage threhold(for SVRW) Powered by the measuring circuit 1 C/O c...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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• AC circuit Single Phase Voltage Monitoring Relay undervoltage overvoltage protector 3 LED

  

  ... Monitoring Relay undervoltage overvoltage protector 3 LED ♦ Features -- Single-phase monitoring of over- and undervoltage -- Powered by the measuring circuit -- 1 C/O contacts -- 3 LEDs for status indicatio...

  Wenzhou Ginri Power Automation Co., Ltd.

  Zhejiang,China

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