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

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

...Phase 4 Wire Three Phase Voltage Monitoring Relay Over Under Voltage Protection ♦ Features -- Compact modular size -- Neutral loss -- Three-phase Four-wire monitoring of phase sequence, phase loss, over- and...

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

Verified Supplier

Add to cart
Overhead Line Fault Path Indicator Alarming Mode Red Flag / Flashlight

... before delivery, which has been in good condition when transport. Abstract The fault indicator for overhead distribution lines is used indicating of phase-to-phase and phase-to-earth faults by determining s...

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

Site Member

Add to cart
Single Phase Relay Protection Tester for Accurate Secondary Injection Testing

..., which can meet polarization, signal and other relay tests ☆Built-in digital millisecond meter with start and stop meter terminals ☆With sound and light prompts for action contacts, etc. ☆Specially made ......

Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
China

Verified Supplier

Add to cart
Transformer Manually Calibrated Single Phase Relay Protection

..., which can meet polarization, signal and other relay tests ☆Built-in digital millisecond meter with start and stop meter terminals ☆With sound and light prompts for action contacts, etc. ☆Specially made ......

Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
China

Verified Supplier

Add to cart
SIRIUS 3RP15 Industrial Control Relay For Control Starting And Protective

...Relay Timing Relays For Control Starting And Protective Overview SIRIUS 3RP15 timing relays Phase-out/discontinuation or SIRIUS 3RP15 timing relays The phase-out period for SIRIUS 3RP15 timing relays began i...

Yueqing Richuang Automation Equipment Co.,Ltd
Zhejiang,China

Verified Supplier

Add to cart
6 Phase Relay Test System KINGSINE KF900A Protection Relay Tester

6 Phase Relay Test System KINGSINE KF900A Protection Relay Tester KF900A RELAY TEST is a portable field testing equipment with excellent performance; Elegance and polished appearance with aluminum alloy chassis...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
3 Phase Voltage Monitoring Relay Reset Time 0.1s-10s

RV8-10 NEW 36mm 3 Phase Voltage Monitoring Relay with Reset Time 0.1s-10s over under voltage relays GRV8-10 Function: Overvoltage 2%-20%, Undervoltage -20%-2%, Asymmetry 5%-15%, Delay time 0.1s-10s, Phase Seque...

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

Verified Supplier

Add to cart
380 Volt Overcurrent Current Balance Relay Integrative Structure For Blowers

...Relay Integrative Structure For Blowers Protection function Phase protection, three-phase unbalance protection, overload protection. Phase-failure protection: When any phase of the three-phase power supply o...

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

Active Member

Add to cart
3 Phase 3 wire Three Phase Voltage Monitoring Relay under-voltage protective device

... appliances and single-phase motors, are operated with two wires in the circuit, which are all single-phase loads. In the three-phase four-wire system, multiple single-phase loads should be connected as far ...

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

Active Member

Add to cart
Refrigeration Units Three Phase Voltage Monitoring Relay phase reversal protect

... asymmetrical. At this time, three-phase four-wire power supply should be used. The role of the neutral line is to ensure that the voltage of each phase is still symmetrical when the load is asymmetric, and ...

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

Active Member

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

... of phase sequence, 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 -...

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

Active Member

Add to cart
CUL RoHS SSR100AA 24v Solid State Relay Ssr Electronics

... switching of a load, they can also perform much more complicated functions by means of digital logic circuits, microprocessors and memories. Another excellent application of a solid state relay is in lamp d...

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

Verified Supplier

Add to cart
Multifunctional 150V Relay Test System Equipment 6 Phase Current Output

...phase Relay Test System Model: RELAYSTAR-1600 The 6-phase Relay Test System RELAYSTAR-1600 is multifunctional test system with 6 current output channels(6×0…40A) and 6 voltage output channels(6×0…150V), whic...

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD
China

Active Member

Add to cart
Single Phase Relay Test Set Electrical Protection Relay Testing Kit Simple Operation

...Phase Relay Test Set Electrical Protection Relay Testing Kit Simple Operation 1. Product Name: Single phase secondary current injection test set HYJB-III 2. Equipment Description: HYJB-III Relaying protectio...

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

Verified Supplier

Add to cart
380 Volt Overcurrent Current Balance Relay Integrative Structure For Blowers

...Relay Integrative Structure For Blowers Protection function Phase protection, three-phase unbalance protection, overload protection. Phase-failure protection: When any phase of the three-phase power supply o...

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

Verified Supplier

Add to cart
3 Phase 3 wire Three Phase Voltage Monitoring Relay under-voltage protective device

... appliances and single-phase motors, are operated with two wires in the circuit, which are all single-phase loads. In the three-phase four-wire system, multiple single-phase loads should be connected as far ...

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

Verified Supplier

Add to cart
Refrigeration Units Three Phase Voltage Monitoring Relay phase reversal protect

... asymmetrical. At this time, three-phase four-wire power supply should be used. The role of the neutral line is to ensure that the voltage of each phase is still symmetrical when the load is asymmetric, and ...

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

Verified Supplier

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

... of phase sequence, 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 -...

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

Verified Supplier

Add to cart
Multifunctional 150V Relay Test System Equipment 6 Phase Current Output

...phase Relay Test System Model: RELAYSTAR-1600 The 6-phase Relay Test System RELAYSTAR-1600 is multifunctional test system with 6 current output channels(6×0…40A) and 6 voltage output channels(6×0…150V), whic...

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD
China

Verified Supplier

Add to cart

|< << 24 25 26 27 28 29 30 31 32 >> >|

Inquiry Cart 0

All Categories

Phase Fault Relay

Total 2516 products for phase fault relay Manufacture & Suppliers

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

Overhead Line Fault Path Indicator Alarming Mode Red Flag / Flashlight

Single Phase Relay Protection Tester for Accurate Secondary Injection Testing

Transformer Manually Calibrated Single Phase Relay Protection

SIRIUS 3RP15 Industrial Control Relay For Control Starting And Protective

6 Phase Relay Test System KINGSINE KF900A Protection Relay Tester

3 Phase Voltage Monitoring Relay Reset Time 0.1s-10s

380 Volt Overcurrent Current Balance Relay Integrative Structure For Blowers

3 Phase 3 wire Three Phase Voltage Monitoring Relay under-voltage protective device

Refrigeration Units Three Phase Voltage Monitoring Relay phase reversal protect

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

CUL RoHS SSR100AA 24v Solid State Relay Ssr Electronics

Multifunctional 150V Relay Test System Equipment 6 Phase Current Output

Single Phase Relay Test Set Electrical Protection Relay Testing Kit Simple Operation

380 Volt Overcurrent Current Balance Relay Integrative Structure For Blowers

3 Phase 3 wire Three Phase Voltage Monitoring Relay under-voltage protective device

Refrigeration Units Three Phase Voltage Monitoring Relay phase reversal protect

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

Multifunctional 150V Relay Test System Equipment 6 Phase Current Output