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Earth Fault Relay

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Total 816 products for earth fault relay Manufacture & Suppliers

120V Protection Relay Test Equipment With Fault Playback

Protection Relay Test Kit MCRT40 Main Functions 1) With 4 Phase voltage & 3 Phase current output, can test various of protection relay 2) 4th phase voltage Ux is multifunction voltage and can be set as 4 kinds ...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

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120V Protection Relay Test Equipment With Fault Playback

Protection Relay Test Kit MCRT40 Main Functions 1) With 4 Phase voltage & 3 Phase current output, can test various of protection relay 2) 4th phase voltage Ux is multifunction voltage and can be set as 4 kinds ...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

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40A Three Phase Relay Test Kit LCD Display Interlock Function

.... 3) Able to test various relays and micro-computer protections devices 4) Also able to simulate different complicated transients, permanent&transformative faults to do complete group test 5) Two operation w...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

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0-8KV 0-16KV 0-32KV Cable fault location system

0-8KV 0-16KV 0-32KV Cable fault location system I.Function Detect main insulation faults of power cables of voltage class up to32kV ; calibrate cable length; accurately detect cable burial direction and depth. ...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

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0-25KV 0-33KV 0-132KV Cable fault location system

0-25KV 0-33KV 0-132KV Cable fault location system I.Function Detect main insulation faults of power cables of voltage class up to32kV ; calibrate cable length; accurately detect cable burial direction and depth...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

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0-25KV 0-33KV 0-132KV Cable fault location system

0-25KV 0-33KV 0-132KV Cable fault location system I.Function Detect main insulation faults of power cables of voltage class up to32kV ; calibrate cable length; accurately detect cable burial direction and depth...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

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0-25KV 0-33KV 0-132KV Cable fault location system

0-25KV 0-33KV 0-132KV Cable fault location system I.Function Detect main insulation faults of power cables of voltage class up to32kV ; calibrate cable length; accurately detect cable burial direction and depth...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Site Member

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0-8KV 0-16KV 0-32KV Cable fault location system

0-8KV 0-16KV 0-32KV Cable fault location system I.Function Detect main insulation faults of power cables of voltage class up to32kV ; calibrate cable length; accurately detect cable burial direction and depth. ...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Site Member

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0-25KV 0-33KV 0-132KV Cable fault location system

0-25KV 0-33KV 0-132KV Cable fault location system I.Function Detect main insulation faults of power cables of voltage class up to32kV ; calibrate cable length; accurately detect cable burial direction and depth...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

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NGR Neutral Grounding Resistors , NER Neutral Earthing Resistors 10KW-1MW

... and personnel in industrial systems. In solid grounding, the system is directly grounded and the fault current is limited only by the soil resistance. The fault current can be very high and can damage the t...

SHENZHEN JINGDACHENG ELECTRONICS CO.,LTD
China

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Fan 12 Volt 5A 3A SPDT Power Relay RJE-112D Non Latching Relay

...Relay RJE-112D Non-Latching Relay SPDT Power Relay Feature: 1. SPDT,1 Form C 2. rated current 5A 3. class A insulation SPDT Power Relay Applications: household appliances: hair drier, rice cooker, kettle... ...

Shenzhen Ketai Electronic Technology Co., Ltd.
China

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Fan 12 Volt 5A 3A SPDT Power Relay RJE-112D Non Latching Relay

...Relay RJE-112D Non-Latching Relay SPDT Power Relay Feature: 1. SPDT,1 Form C 2. rated current 5A 3. class A insulation SPDT Power Relay Applications: household appliances: hair drier, rice cooker, kettle... ...

Shenzhen Ketai Electronic Technology Co., Ltd.
China

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Anti-disturb capability JL-8D SERIES DEFINITE TIME CURRENT Protection RELAY(JL-8D/5X2)

... DEFINITE TIME CURRENT Protection RELAY(JL-8D/5X2) JL-8D series defimite-time limit current relay is used as relay protection starting part as AC circuit of power system is overloading or short, give a alert...

Hontai Machinery and equipment (HK) Co. ltd
Guangdong,China

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JL-8B series Insulation resistance overcurrent protection relays Power consumption ﹤4W

...resistance overcurrent protection relays Power consumption ﹤4W JL-8B series over-current relay is used as relay protection starting part as AC circuit of power system is overloading or short, give a alert si...

Hontai Machinery and equipment (HK) Co. ltd
Guangdong,China

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Intelligent Gas Relay Calibrator Relay Protection Tester Full Automatic

...Relay Calibrator Relay Protection Tester Full Automatic Features 1. Flow measurement: advanced method and good performance. Pressure-difference method can be used to measure impulse velocity, flow testing ju...

Wuhan GDZX Power Equipment Co., Ltd
Hubei,China

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ZX-803 High performance Color Screen Microcomputer Three Phase Relay Protection Tester

..., differential, low cycle, synchronous, frequency, DC, intermediate, time, etc.) and microcomputer protection, and can simulate various complex transient and conversion faults for the whole group test. Featu...

Wuhan GDZX Power Equipment Co., Ltd
Hubei,China

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ZX-803 Industrial Control Type Microcomputer Relay Protection Tester Three Phase

..., differential, low cycle, synchronous, frequency, DC, intermediate, time, etc.) and microcomputer protection, and can simulate various complex transient and conversion faults for the whole group test. Featu...

Wuhan GDZX Power Equipment Co., Ltd
Hubei,China

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Kampa 4p 30mA Earth Leakage Circuit Breaker elcb/rccb

...function of isolation switching and earth leakage protection of electrical circuits. They open a circuit automatically in the event of an earth fault between phase and earth and/or netural and earth. A wide ...

Yueqing Kampa Electric Co., Ltd.
China

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AC 220V High Voltage Cable Fault Tester With Electromagnetic Waves Underground

...) , local cable, FM communication cable, coaxial cable, short circuit, earth, high resistance leakage, high resistance flashover fault of the metal overhead lines, and the broken & poor contact of the cable....

Wuhan Huaying Electric Power Tech & Science Co., Ltd
Hubei,China

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