Home > Electrical Equipment & Supplies > Industrial Controls > Relays >

Phase Fault Relay

Fair Trading Service

Report fraud supplier Report IPR Products

Haven't found right suppliers
Our buyer assistants can help you find the most suitable, 100% reliable suppliers from China.
And this service is free of charge.
we have buyer assistants who speak English, French, Spanish......and we are ready to help you anytime!

Submit Buying Request

Total 2516 products for phase fault relay Manufacture & Suppliers

Phase Sequence Phase Failure Protection Relay Over Under Voltage For Water Pump 3 Phase 380-400V

... to provide overvoltage, undervoltage and phase failure protection in three-phase AC circuits and phase sequence protection in irreversible transmission devices and features reliable performance, wide applic...

Wuxi Fenigal Science & Technology Co., Ltd.
Jiangsu,China

Verified Supplier

Add to cart
Mini Phase Failure Protection Relay Three Phase Voltage Monitoring Relay Over Under Voltage

Phase Failure Protection Relay JVRD-380W Three Phase Voltage Monitoring Relay Over Under Voltage Relays Function : Phase loss(failure) Phase Sequence(Reversal) Phase unbalance(Asymmetry) Undervoltage Overvoltag...

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

Active Member

Add to cart
32.63lb Six Phase Relay Test System 50/60Hz Intelligent portable

... substations and industrial environments. It can output 6-phase current(0…32A/phase) and 4-phase voltage(0…300V/phase), and the output accuracy is much higher(up to 0.05%). High Accuracy Six-phase Relay Test...

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD
China

Active Member

Add to cart
Mini Phase Failure Protection Relay Three Phase Voltage Monitoring Relay Over Under Voltage

Phase Failure Protection Relay JVRD-380W Three Phase Voltage Monitoring Relay Over Under Voltage Relays Function : Phase loss(failure) Phase Sequence(Reversal) Phase unbalance(Asymmetry) Undervoltage Overvoltag...

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

Verified Supplier

Add to cart
32.63lb Six Phase Relay Test System 50/60Hz Intelligent portable

... substations and industrial environments. It can output 6-phase current(0…32A/phase) and 4-phase voltage(0…300V/phase), and the output accuracy is much higher(up to 0.05%). High Accuracy Six-phase Relay Test...

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD
China

Verified Supplier

Add to cart
30a 120v 2 Phase Solid State Relay Ac Control

...Phase Solid State Relay AC two Phase SSR Solid State Relay Description of 2 Phase Solid State Relay Solid State Relays can be used to switch lamps or resistive loads. In terms of size and pin arrangement, th...

Jiangsu Gold Electrical Control Technology Co., Ltd.
Jiangsu,China

Verified Supplier

Add to cart
Large LCD Screen Relay Protection Tester / 3 Phase Relay Test Kit Dual Operation Model

... unit in relay protection system. At the same time HYJB-PC could be considered as a universal three phase AC/DC voltage source or current source. Hot Selling Pratical Three phase Relay Protection Tester/Test...

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

Verified Supplier

Add to cart
Acrel AC110V Overcurrent And Earth Fault Protection Relay ASJ20-LD1C&LD1A

...TN system distributing circuit with the alternating current 50/60Hz, the rated voltage 400V or below. ASJ Series of action relay of after-current is applied in the earth fault protection for the electric cir...

Jiangsu Acrel Electrical Manufacturing Co., LTD.
Jiangsu,China

Verified Supplier

Add to cart
Undervoltage Phase Voltage Monitoring Relay 3 Phase-rotation and phase loss monitoring relay , SPDT 380V

...disconnect a protected device or rely on the loss of one or more phases of a polyphase system to prevent a protection device that applies power to a protected device, also known as a protection device. Phase...

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

Active Member

Add to cart
Undervoltage Phase Voltage Monitoring Relay 3 Phase-rotation and phase loss monitoring relay , SPDT 380V

...disconnect a protected device or rely on the loss of one or more phases of a polyphase system to prevent a protection device that applies power to a protected device, also known as a protection device. Phase...

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

Verified Supplier

Add to cart
6KV - 110KV Fault Circuit Indicator , Epoxy Resin Insulated Short Circuit Indicator

...fault passage indicator for overhead line The fault indicator for overhead distribution lines is used indicating of phase-to-phase and phase-to-earth faults by determining short circuit, over-current and pow...

Beijing Tianyihongda Science & Technology Development Co., LTD
Beijing,China

Site Member

Add to cart
DV2-3SM240 LCD Phase Loss Phase Reversal Phase Asymmetry Voltage Protecter with Neutral

Technical parameters Description Connection Symbol Function Example of fault Model Voltage range Switching voltage Unit Price DV2-3SM240 220V, 230V, 240V(P-N) 250V AC1/ 24V DC 1PC $22.83...

YUEQING RENHE ELECTRIC CO., LTD.
China

Active Member

Add to cart
Protection Relay Tester K3063i Powerful 6 Phase Relay Test Set

... ever-expanding test library templates; High precision and powerful 6-phase relay test set and commissioning tool; Online Vector display Automatic test results assume Automatic test report creation ......

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

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

...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 special mec...

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

Active Member

Add to cart
32A 300V Protection Relay Test Kit , 14.8kg Secondary Injection Test Set

...phase Relay Test System Model: RELAYSTAR-H60 The RELAYSTAR-H60 is portable 6-phase relay test system for testing most types of modern multi-function protection relays, which can output 6-phase current(6x0…32...

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD
China

Active Member

Add to cart
Automatic Relay Protection Secondary Injection Relay Test Set With Keyboard

... (effective value): 0~40A/phase, accuracy 0.5%. 3 phase parallel current output (effective value): 0~120A/3 phase parallel output in same phase Phase current working value for allowed long time (effective va...

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

Verified Supplier

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

...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 special mec...

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

Verified Supplier

Add to cart
32A 300V Protection Relay Test Kit , 14.8kg Secondary Injection Test Set

...phase Relay Test System Model: RELAYSTAR-H60 The RELAYSTAR-H60 is portable 6-phase relay test system for testing most types of modern multi-function protection relays, which can output 6-phase current(6x0…32...

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD
China

Verified Supplier

Add to cart

|< << 17 18 19 20 21 22 23 24 25 >> >|

Inquiry Cart 0

All Categories

Phase Fault Relay

Total 2516 products for phase fault relay Manufacture & Suppliers

Phase Sequence Phase Failure Protection Relay Over Under Voltage For Water Pump 3 Phase 380-400V

Mini Phase Failure Protection Relay Three Phase Voltage Monitoring Relay Over Under Voltage

32.63lb Six Phase Relay Test System 50/60Hz Intelligent portable

Mini Phase Failure Protection Relay Three Phase Voltage Monitoring Relay Over Under Voltage

32.63lb Six Phase Relay Test System 50/60Hz Intelligent portable

30a 120v 2 Phase Solid State Relay Ac Control

Large LCD Screen Relay Protection Tester / 3 Phase Relay Test Kit Dual Operation Model

Acrel AC110V Overcurrent And Earth Fault Protection Relay ASJ20-LD1C&LD1A

Undervoltage Phase Voltage Monitoring Relay 3 Phase-rotation and phase loss monitoring relay , SPDT 380V

Undervoltage Phase Voltage Monitoring Relay 3 Phase-rotation and phase loss monitoring relay , SPDT 380V

6KV - 110KV Fault Circuit Indicator , Epoxy Resin Insulated Short Circuit Indicator

DV2-3SM240 LCD Phase Loss Phase Reversal Phase Asymmetry Voltage Protecter with Neutral

Protection Relay Tester K3063i Powerful 6 Phase Relay Test Set

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

32A 300V Protection Relay Test Kit , 14.8kg Secondary Injection Test Set

Automatic Relay Protection Secondary Injection Relay Test Set With Keyboard

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

32A 300V Protection Relay Test Kit , 14.8kg Secondary Injection Test Set