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Total 3963 products for numerical relay protection Manufacture & Suppliers

ZX-RLC Gas Relay Testing Instrument min resolution,High automation,LCD display

Detailed product information : product name Gas Relay Testing Instrument power supply a) Control system: AC220v, power 150W b)Power system: AC220v, power 120W c)Total power: 270W Gas relay a)Flow rate test: 0.5...

Wuhan GDZX Power Equipment Co., Ltd
Hubei,China

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250kPa Gas Relay Calibrator With Single Pipe Structure

250kPa Gas Relay Calibrator With Single-pipe Structure Design Product introduction The ZX-RLC Gas Relay Calibrator adopts an integrated design. The device is embedded with a full-color capacitive touch display ...

Wuhan GDZX Power Equipment Co., Ltd
Hubei,China

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3 Phase Voltage Monitoring Relay , JVR-383 Motors Phase Loss Protection Relay

...Relay , JVR-383 Motors Phase Loss Protection Relay Phase failure Protection of Three-phase Motor With the development of industrial and agricultural production, three-phase motors have been widely used, and ...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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3 Phase sequence protective relays JVRD-380 , 220VC Phase Asymmetry Relay

... and phase unbalance 3 . Powered by the measuring circuit 4 . 2 C/O contacts 5 . 5 LEDs for status indication 6 . Phase sequence protection 7 . Phase loss protection 8 . Overvoltage protection 9 . Undervolta...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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Adjustable DC Voltage Monitoring Relay , Battery Phase Control Relay DVRD Model

...Relay , Battery Phase Control Relay DVRD Model What is Overvoltage protection Overvoltage protection is a type of protection that disconnects or reduces the voltage of a controlled device when the protected ...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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35mm Motor Protection Relay , OEM ODM Generator Protection Relay Din Rail Installation

...generator's protection switch, have shortage of expensive cost, big volume, heavy and difficult to adjust, etc. WD-DB-A is a multi-functional protection equipment for marine, widely used in kinds of type/pow...

Wei Dian Union(Hubei) Technology Co.,Ltd.
Hubei,China

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Smart Multi - Phase Universial Protection Relay Test Equipment For Distance Protection

...-Phase Universial Protection Relay Test Equipment for Distance Protection device Test-630 Smart Multi-Phase Universial Protection Relay Test Equipment is a six phase current output and six phase voltage outp...

Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd.
Beijing,China

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3 Phase Voltage Monitoring Relay , JVR-383 Motors Phase Loss Protection Relay

...Relay , JVR-383 Motors Phase Loss Protection Relay Phase failure Protection of Three-phase Motor With the development of industrial and agricultural production, three-phase motors have been widely used, and ...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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3 Phase sequence protective relays JVRD-380 , 220VC Phase Asymmetry Relay

... and phase unbalance 3 . Powered by the measuring circuit 4 . 2 C/O contacts 5 . 5 LEDs for status indication 6 . Phase sequence protection 7 . Phase loss protection 8 . Overvoltage protection 9 . Undervolta...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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Adjustable DC Voltage Monitoring Relay , Battery Phase Control Relay DVRD Model

...Relay , Battery Phase Control Relay DVRD Model What is Overvoltage protection Overvoltage protection is a type of protection that disconnects or reduces the voltage of a controlled device when the protected ...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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35mm Motor Protection Relay , OEM ODM Generator Protection Relay Din Rail Installation

...generator's protection switch, have shortage of expensive cost, big volume, heavy and difficult to adjust, etc. WD-DB-A is a multi-functional protection equipment for marine, widely used in kinds of type/pow...

Wei Dian Union(Hubei) Technology Co.,Ltd.
Hubei,China

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3x30A Protection Relay Test Equipment , Portable 3 Phase Relay Test Set

Portable Universal Protection Relay Test Equipment MC300 is an economical and portable relay tester for substation 3-phase testing. The 3 current channels (each 40A max) and 4 voltage channels (each 300V max) m...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

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IEC 61850-9-2 Transformer Auxiliary Relay for Mechanical protection recorder 1024

IEC 61850-9-2 Transformer Auxiliary Relay for Mechanical protection recorder 1024 The PCS-974 relay provides mechanical protection for transformer tanks. The source of mechanical protection can be designed from...

OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED
Guangdong,China

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Sequence Three Phase Voltage Monitoring Relay 3A 250VAC Contact capacity

Sequence Three Phase Voltage Monitoring Relay 3A 250VAC Contact capacity Phase sequence protector is a type of control relay that can automatically identify the phase relay protection relay, to ensure that some...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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LCD 3 Phase Voltage Monitoring Relay , JVR1000 Time Delay Undervoltage Relay

LCD 3 Phase Voltage Monitoring Relay , JVR1000 Time Delay Undervoltage Relay The three-phase power supply monitor is a device that provides relay protection for the three-phase motor input power supply voltage ...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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LCD 3 Phase Voltage Monitoring Relay , JVR1000 Time Delay Undervoltage Relay

LCD 3 Phase Voltage Monitoring Relay , JVR1000 Time Delay Undervoltage Relay The three-phase power supply monitor is a device that provides relay protection for the three-phase motor input power supply voltage ...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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Sequence Three Phase Voltage Monitoring Relay 3A 250VAC Contact capacity

Sequence Three Phase Voltage Monitoring Relay 3A 250VAC Contact capacity Phase sequence protector is a type of control relay that can automatically identify the phase relay protection relay, to ensure that some...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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Motor Protective Electromagnetic Power Latching Relay 200A

... can not keep the status unless you press the button and change state time by time. Bistable relay is latching relay, holding relay, self-lock relay which can keep the status till you change the state again....

IVY METERING CO.,LTD
Shanghai,China

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Motor Protective Electromagnetic Power Latching Relay 200A

... can not keep the status unless you press the button and change state time by time. Bistable relay is latching relay, holding relay, self-lock relay which can keep the status till you change the state again....

IVY METERING CO.,LTD
Shanghai,China

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Electronic Motor Current Monitoring Relay , 3 Phase Overcurrent Relay 220V 50Hz

...protection. 1. Phase-failure protection: When any phase of the three-phase power supply of the motor lacks a phase or the internal phase of the motor is broken, the action delay time of the protector is ≤ 1S...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,China

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