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

Microprocessor Based Protection 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 17623 products for microprocessor based protection relay Manufacture & Suppliers

Micro Computer Operating Three 3 Phase Protection Relay Testing Device

...Protection Relay Testing Device is applied to test the relay unit in relay protection system. At the same time it could be considered as a universal three phase AC/DC voltage source or current source. It s a...

Advanced Instruments Co.,Limited
Hunan,China

Verified Supplier

Add to cart
Portable Three Phase Protective Relay Test Set With Instruments Testing Function

...Protection Relay Test System With instruments testing function The Test-330 Portable Three Phase Protection Relay Test System is the first choice for applications requiring very high accuracy more than 0.1%....

Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd.
Beijing,China

Verified Supplier

Add to cart
Water Pump Motor Protection Relay MDB -201Z Overload Phase Loss Monitor

Electronic Motor Protection Relay MDB-201Z Intelligent Digital Motor Protector What is motor protection relay? The function of the motor protector is to provide comprehensive protection control for the motor. O...

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

Active Member

Add to cart
Six Phase Protection Relay Test Equipment Universal Protection Device High Performance

GFUVE Six phase universal protection device relay test kit TEST-630 Test-630 is a six phase current output and six phase voltage output protection relay tester with 5.Eight pairs of binary input and four pairs ...

Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd.
Beijing,China

Verified Supplier

Add to cart
Water Pump Motor Protection Relay MDB -201Z Overload Phase Loss Monitor

Electronic Motor Protection Relay MDB-201Z Intelligent Digital Motor Protector What is motor protection relay? The function of the motor protector is to provide comprehensive protection control for the motor. O...

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

Verified Supplier

Add to cart
Protection Relay Testing K3030 , Secondary Injection 250V

Protection Relay Testing K3030 , Secondary Injection 250V 1. Easy test 2. Operation menu, Simple operation 3. Nominal input voltage:250VAC ......

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
6.4 LCD Screen Protection Relay Testing K1066 , 8 Pairs Binary Input

6.4 LCD Screen Protection Relay Testing K1066 , 8 Pairs Binary Input Binary Inputs Number: 8 pairs Compatible Voltage:10V - 250V DC In house and field test, Laptop is unnecessary 1. Adopts 6.4 large LCD screen,...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
High Accuracy Protection Relay Testing KF86 9.7 Inch Touch Screen 8 Optical Ports

... meet all the requirements for detection and debugging of IEC61850 IEDs, Merge Units, station control systems and traditional protection relays. Overview: 8 optical ports complying IEC61850 sampling value an...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
Optional PC Software K68i Protective Relay Test Set

optional PC software K68i protective relay test set Client-tester interface form 1 Test process The interaction process between the client and the tester interface is shown in the following ......

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
Black Electronic Overload Relay Motor Protection Relay Phase Loss Earth Fault

Black Electronic Overload Relay Motor Protection Relay Phase Loss Earth Fault ♦ Features -- Separate structure,LED part panel mounted and CT part screw fixing -- Built-in LED and ......

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

Active Member

Add to cart
Digital Three Phase Motor Protection Relay Phase Unbalance Relay Earth Fault

Digital Three Phase Motor Protection Relay Phase Unbalance Relay Earth Fault ♦ Features -- Separate structure,LED part panel mounted and CT part screw fixing -- Built-in LED and keypad afford a ......

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

Active Member

Add to cart
Black Electronic Overload Relay Motor Protection Relay Phase Loss Earth Fault

Black Electronic Overload Relay Motor Protection Relay Phase Loss Earth Fault ♦ Features -- Separate structure,LED part panel mounted and CT part screw fixing -- Built-in LED and ......

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

Verified Supplier

Add to cart
Digital Three Phase Motor Protection Relay Phase Unbalance Relay Earth Fault

Digital Three Phase Motor Protection Relay Phase Unbalance Relay Earth Fault ♦ Features -- Separate structure,LED part panel mounted and CT part screw fixing -- Built-in LED and keypad afford a ......

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

Verified Supplier

Add to cart
Transformer Protection Relay , SID - 2CM Automatic Quasi - Synchronizing Device

...Protection Relay , SID - 2CM Automatic Quasi - Synchronizing Device Main function : 1 There are twelve channels to be used for 1-12 units power generator or power lines paralleling in a device, type and attr...

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

Verified Supplier

Add to cart
AM5 Series 1-120V Medium Voltage Protection Relays 8 Current Input

AM5 Series Protection Relay ● A complete set of protection, related to the application; ● 8 current input, 4 voltage input, 16 DI, 10 DO; ● Auxiliary power supply adapts with AC220V, DC220V, ......

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

Verified Supplier

Add to cart
LCD LED AM5SE Medium Voltage Line Protection Relay

AM5SE Medium Voltage Line Protection Relay ● A complete set of protection, related to the application; ● 8 current input, 4 voltage input, 16 DI, 10 DO; ● Auxiliary power supply adapts with AC220V, DC220V, ......

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

Verified Supplier

Add to cart
Over Current Single Phase Protection Relay Testing Equipment with Cheap Price

... output which can be used as a voltage source alone. It adopts digital display with intuitive reading. Protection Relay Testing Equipment has the characteristics of high precision, full function, stable, eas...

Advanced Instruments Co.,Limited
Hunan,China

Verified Supplier

Add to cart
Pump Motor Protection Relay Overload Current Unbalance and Phase Loss Protector

Motor Protection Relay MDB-201Z Overload Current Unbalance and Phase Loss Protector for Pump Motor 2-99A Why Choose the Motor Protection Relay The motor is easier to burn the winding than in the past. It is due...

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

Active Member

Add to cart
Lightweight Three Phase Protection Relay Test Set With 8inch LCD Screen

Comprehensive Three-phase Protection Relay Test Set Model: RELAYSTAR-806 The RELAYSTAR-806 is comprehensive three-phase protection relay test set and commissioning tool. It has 7 channels for output((3I + 4U), ...

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD
China

Active Member

Add to cart
Pump Motor Protection Relay Overload Current Unbalance and Phase Loss Protector

Motor Protection Relay MDB-201Z Overload Current Unbalance and Phase Loss Protector for Pump Motor 2-99A Why Choose the Motor Protection Relay The motor is easier to burn the winding than in the past. It is due...

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

Verified Supplier

Add to cart