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

Numerical 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 4119 products for numerical relay protection Manufacture & Suppliers

Prt-PC3 Best Price Single Phase Three Phase Protection Relay Test Kit

... At the same time RPT-PC3 Three Phase Protection Relay Test Kit could be considered as a universal three phase AC/DC voltage source or current source. PRT-PC3 Three Phase Protection Relay Test Kit is applied...

Delta Technology (Chongqing) Co., Ltd.
Chongqing,China

Verified Supplier

Add to cart
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

Site Member

Add to cart
IEC61850 Protective Relay Test Equipment Multifunctional Kit

... protective relay with analog voltage and current outputs, the MC3000F can also test IEC61850 complied digital protection devices and systems, such as simulating/subscripting GOOSE messages, publishing Sampl...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Site Member

Add to cart
Touch Screen Control Protective Relay Tester IEC61850

... protective relay with analog voltage and current outputs, the MC3000F can also test IEC61850 complied digital protection devices and systems, such as simulating /subscripting GOOSE messages, publishing Samp...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Site Member

Add to cart
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

Site Member

Add to cart
IEC61850 Protective Relay Test Equipment Multifunctional Kit

... protective relay with analog voltage and current outputs, the MC3000F can also test IEC61850 complied digital protection devices and systems, such as simulating/subscripting GOOSE messages, publishing Sampl...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Site Member

Add to cart
Touch Screen Control Protective Relay Tester IEC61850

... protective relay with analog voltage and current outputs, the MC3000F can also test IEC61850 complied digital protection devices and systems, such as simulating /subscripting GOOSE messages, publishing Samp...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Site Member

Add to cart
Electric Control System Dc Relay , 24 Volt Phase Balance Relay DVRD-12

... and protection equipment. Sets three-phase voltage display, over-voltage protection, under-voltage protection, phase loss protection (phase protection), three-phase voltage imbalance protection, phase seque...

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

Active Member

Add to cart
Electric Control System Dc Relay , 24 Volt Phase Balance Relay DVRD-12

... and protection equipment. Sets three-phase voltage display, over-voltage protection, under-voltage protection, phase loss protection (phase protection), three-phase voltage imbalance protection, phase seque...

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

Verified Supplier

Add to cart
Automatic Inverse Time Protective Relays IDMT Overcurrent Protection

...the current through the relay coil. Higher current will cause a faster operation of the relay. The minimum relay operation current (pick-up current) is also adjustable. The most commonly used overcurrent rel...

Zhejiang KRIPAL Electric Co., Ltd.
Zhejiang,China

Active Member

Add to cart
Automatic Inverse Time Protective Relays IDMT Overcurrent Protection

...the current through the relay coil. Higher current will cause a faster operation of the relay. The minimum relay operation current (pick-up current) is also adjustable. The most commonly used overcurrent rel...

Zhejiang KRIPAL Electric Co., Ltd.
Zhejiang,China

Verified Supplier

Add to cart
Ground Earth Fault Protection Relay , 5A Digital Protective Relay

...Protection Relay , 5A Digital Protective Relay A relay used in the power system to detect neutral or ground faults measure the vector difference of the three phase power, or measure the neutral current direc...

Zhejiang KRIPAL Electric Co., Ltd.
Zhejiang,China

Active Member

Add to cart
Ground Earth Fault Protection Relay , 5A Digital Protective Relay

...Protection Relay , 5A Digital Protective Relay A relay used in the power system to detect neutral or ground faults measure the vector difference of the three phase power, or measure the neutral current direc...

Zhejiang KRIPAL Electric Co., Ltd.
Zhejiang,China

Verified Supplier

Add to cart
Fixed Auto Overload Protection Relay , TR2-N23 40A In Thermal Overcurrent Relay

...Protection Relay , TR2-N23 Thermal Overcurrent Relay Application This series of thermal relay can be used in the circuit of 50Hz or 60Hz ,rated insulation voltage 660v,rated current 0.1-93A for protecting th...

WENZHOU SANTUO ELECTRICAL CO.,LTD.
Zhejiang,China

Site Member

Add to cart
25A Single Phase Motor Thermal Overload Protection Relay 690V SSR Solid State Relays

... Protection Relay SSR Solid State Relays Application: LR2-D series thermal relay can be used in the circuit of 50Hz or 60Hz, rated insulation voltage 660V, rated current 0.1-93A for protecting the phase brea...

YueQing ZEYI Electrical Co., Ltd.
Zhejiang,China

Verified Supplier

Add to cart
Protective Magnetic Thermal Overload Relay Switch 240V 93 Amp

... current 0.1-93A for protecting the phase break when the electric motor is overload. The relay has different mechanism and temperature compensation & can be pluged in LC1-D series AC contactor. It is the mos...

YueQing ZEYI Electrical Co., Ltd.
Zhejiang,China

Verified Supplier

Add to cart
30A Thermal Overload Protection Relay 50A 80A LR2-D33 NO And NC Electromagnetic Relay

...Protection Relay Application: LR2-D series thermal relay can be used in the circuit of 50Hz or 60Hz, rated insulation voltage 660V, rated current 0.1-93A for protecting the phase break when the electric moto...

YueQing ZEYI Electrical Co., Ltd.
Zhejiang,China

Verified Supplier

Add to cart
Six Phase Protective Relay Test Equipment for Secondary Injection Test

... for transformer differential protection and transfer equipment. This protective relay test equipment is easy and fast to operate. The stability of the accuracy has been greatly improved. II.Functions 1.High...

Advanced Instruments Co.,Limited
Hunan,China

Verified Supplier

Add to cart
Phase Sequence Phase Failure Protection Relay , Over Under Voltage Protection Relay 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
GPS Synchronization Protection Relay Testing K3066+ , 7 Phase AC

...extremely design for overseas user, with Friendly PC software as your need, unique features and functions helps you all the way! 1. Unique self-protection system assure the powerful protection when instrumen...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart