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

Power System Relay Protection

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 79161 products for power system relay protection Manufacture & Suppliers

Under Over Voltage Single Phase Protection Relay 110VAC 220VAC 240VAC 250VAC

...Relay SVR-220 Voltage Protect Monitor Relays 110VAC,220VAC,240VAC 250VAC What is over under voltage relay? The state stipulates that the single-phase 220V power supply error shall not exceed 10% of the posit...

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

Verified Supplier

Add to cart
220V / 1000VA Protection Relay Test Set K1030 , 6.4 Inch LCD Screen

...Protection Relay Test Set K1030 , 6.4 Inch LCD Screen 1.Easy test 2.operation menu, Simple operation 3.Power:1000VA In-house and field test, Laptop is unnecessary! With microprocessor& LCD screen, no matter ...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
250V / 2A Poleless Protection Relay Test Set K1066i with LCD Screen

...Protection Relay Test Set K1066i with LCD Screen Binary Inputs Number: 8 pairs Power:1000VA In house and field test, Laptop is unnecessary Nominal input voltage:220V±10% VAC, 1-phase In-house and field test,...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
K1066i Protective Relay Test Set

...unnecessary! With microprocessor& LCD screen, no matter you are doing in -house or field testing, Laptop is unnecessary .Besides, the powerful & complete software helps you more easy! 1. Adopts 6.4 large LCD...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
High Power 40A Magnetic Latching Relay For 32A 60A Kwh Meter

...Power Latching Relay For 32A Meter 60A Kwh Meter 1.Overview: ● Max.Switching Current: 60A ● Rated Coil Consumption:1.5/3W(20ms) ● Dimension:38*30*16.5mm ● IEC62055-31 UC2 Certified ● Widely used for smart me...

IVY METERING CO.,LTD
Shanghai,China

Active Member

Add to cart
High Power 40A Magnetic Latching Relay For 32A 60A Kwh Meter

...Power Latching Relay For 32A Meter 60A Kwh Meter 1.Overview: ● Max.Switching Current: 60A ● Rated Coil Consumption:1.5/3W(20ms) ● Dimension:38*30*16.5mm ● IEC62055-31 UC2 Certified ● Widely used for smart me...

IVY METERING CO.,LTD
Shanghai,China

Verified Supplier

Add to cart
MY2N-GS DC24 Signal Power Relay , OMRON Single Pole Relay DIP

... Current • Miniature, relay with high switching power and long endurance. • Creepage distance conforms to UL and CSA standards. • Highly noise-resistive insulation materials employed. • Standard model availa...

Sunbeam Electronics (Hong Kong) Limited
China

Active Member

Add to cart
MY2N-GS DC24 Signal Power Relay , OMRON Single Pole Relay DIP

... Current • Miniature, relay with high switching power and long endurance. • Creepage distance conforms to UL and CSA standards. • Highly noise-resistive insulation materials employed. • Standard model availa...

Sunbeam Electronics (Hong Kong) Limited
China

Verified Supplier

Add to cart
Handheld Digital Protection Relay Testing KF932 IEC61850 Relay Test Set

Handheld Digital Protection Relay Testing KF932 IEC61850 Relay Test Set Description of KF932 IEC61850 Relay Test Set Applied to digital protection relay, Measure & control device, IEC61850 Complying IEDs ,Merge...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
Handheld Digital Protection Relay Testing KF932 IEC61850 Relay Test Equipment

Handheld Digital Protection Relay Testing KF932 IEC61850 Relay Test Set Description of KF932 IEC61850 Relay Test Set Applied to digital protection relay, Measure & control device, IEC61850 Complying IEDs ,Merge...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
16 Channel Relay Module For Arduino 12v LM2576 Relay Plate With Optocoupler

...Relay Module For Arduino 12v LM2576 Relay Plate With Optocoupler Specifications: 16 road relay module: 12 v relay contact capacity and a250v, with light coupling protection. 5 V or 3.3 V drive. Support all S...

Oky Newstar Technology Co., Ltd
Guangdong,China

Active Member

Add to cart
16 Channel Relay Module For Arduino 12v LM2576 Relay Plate With Optocoupler

...Relay Module For Arduino 12v LM2576 Relay Plate With Optocoupler Specifications: 16 road relay module: 12 v relay contact capacity and a250v, with light coupling protection. 5 V or 3.3 V drive. Support all S...

Oky Newstar Technology Co., Ltd
Guangdong,China

Verified Supplier

Add to cart
13 Channels 3 Phase Protective Relay Test Set KINGSINE K3166i

...function is protection relay testing, sampling value analysis, SCD file analysis/comparison and MMS service. Suitable for detection and testing of IED equipment such as intelligent substation protection rela...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
optical digital Microcomputer Three Phase protection relay test set AC220V+/-10%, 50Hz/60Hz;

PLEASE NOTE : Wuhan GDZX Power Equipment Co.,Ltd OFFER YOU : 1: FACTORY DIRECT PRICE. 2: NICE QUALITY. 3: QUICK SHIPPING WITHIN 15 DAYS. 4: SMALL ORDER WELCOME.. 5: ONLINE PAYMENT. 6: SUPPORT One year free warr...

Wuhan GDZX Power Equipment Co., Ltd
Hubei,China

Verified Supplier

Add to cart
SANYOU Air Conditioning Relay SANYOU SFK-112DM 12VDC 20A

...POWER RELAY Outline Dimensions: 30.1*15.7*23.3 Coil Voltage: 5V,6V,9V,12V,18V,24V Contact Arrangement: H:Form A Z:Form C S: Sealed Max.Switching Voltae: 250VAC/80A Coil Power:: 0.9w Contact Form: 1A Max.Swit...

Shenzhen Bo-Net Technology Co., Ltd.
Guangdong,China

Active Member

Add to cart
SJ-S-105DMH SANYOU Air Conditioning Relay SANYOU SJ-S-105DMH 12VDC 20A

...POWER RELAY Outline Dimensions: 30.1*15.7*23.3 Coil Voltage: 5V,6V,9V,12V,18V,24V Contact Arrangement: H:Form A Z:Form C S: Sealed Max.Switching Voltae: 250VAC/80A Coil Power:: 0.9w Contact Form: 1A Max.Swit...

Shenzhen Bo-Net Technology Co., Ltd.
Guangdong,China

Active Member

Add to cart
SJ-S-112DMH SANYOU Air Conditioning Relay SANYOU SJ-S-112DMH 12VDC 20A

...POWER RELAY Outline Dimensions: 30.1*15.7*23.3 Coil Voltage: 5V,6V,9V,12V,18V,24V Contact Arrangement: H:Form A Z:Form C S: Sealed Max.Switching Voltae: 250VAC/80A Coil Power:: 0.9w Contact Form: 1A Max.Swit...

Shenzhen Bo-Net Technology Co., Ltd.
Guangdong,China

Active Member

Add to cart
SJ-S-124DMH SANYOU Air Conditioning Relay SANYOU SJ-S-124DMH 12VDC 20A

...POWER RELAY Outline Dimensions: 30.1*15.7*23.3 Coil Voltage: 5V,6V,9V,12V,18V,24V Contact Arrangement: H:Form A Z:Form C S: Sealed Max.Switching Voltae: 250VAC/80A Coil Power:: 0.9w Contact Form: 1A Max.Swit...

Shenzhen Bo-Net Technology Co., Ltd.
Guangdong,China

Active Member

Add to cart
2x600W Stereo Digital Power Amplifier Board AC DC Converter with Switching Power Supply Bridged Speaker Protection Board Mount

... wave switching power supply has high power, high fidelity, high sound quality and low noise. It has over-current, over-temperature, short-circuit, speaker relay protection, no impact sound on and off, effec...

Shenzhen Creatall Electronics Co., Ltd.
China

Verified Supplier

Add to cart
Fans current limiting relay , 40A Phase Failure Protection Relay Integrative Structure

...relay , 40A Phase Failure Protection Relay Integrative Structure ♦ Features -- Integrative structure -- Three-phase monitoring of overload, phase loss, phase unbalance -- Powered by the measuring circuit -- ...

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

Active Member

Add to cart