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

Microprocessor Based Protective Relays

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 protective relays Manufacture & Suppliers

KINGSINE K3063i Distance Protection Relay Testing Secondary Injection Test Set

High precision and powerful 6-phase relay test set and commissioning tool; Power & Accuracy in one single PACKAGE, 6x35A, 4x310V analog outputs; The ever-expanding test library templates; Basic Functions �� Univ...

Kingsine Electric Automation Co., Ltd.
Guangdong

Verified Supplier

Add to cart
Digital Motor Protection Device , LG / LS Power Production Digital Motor Protection Relay

... for electronic manufacturing enterprises. The supply chain is integrated, optimized and efficient. Service products: protection components, fuse and fuse holder series, series resistance, capacitor series, ...

JULUN (H.K)CO.,LTD (DONGGUAN JULUN ELECTRONICS CO.,LTD)
Guangdong,China

Verified Supplier

Add to cart
Refcomp RCX-A2 Motor Protection Relay / Compressor Motor Protector

Refcomp RCX-A2 Motor Protection Relay Compressor motor protector 1. The world's compressor control and protection industry giant KRIWAN Germany began production of INT series compressor control protectors a...

Shanghai Glomro Industrial Co., Ltd.
Shanghai,China

Verified Supplier

Add to cart
DC 20-80V Single Phase Voltage Monitoring Relay Upper Under Voltage Protection Relays

DC 20-80V Single Phase Voltage Monitoring Relay Upper Under Voltage Protection Relayss ♦ Features -- Powered by the measuring circuit Compatible with AC and DC supply Built-in LCD and keypad afford a precise,di...

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

Active Member

Add to cart
Mini Under Voltage Protective Relay 110V-240V AC / DC Voltage Relay 50/60Hz

... housing -- Adjustable over- and undervoltage threshold -- Independent adjustable delay time for overvoltage, undervoltage -- 1 CO & 1NC contacts -- Fault recording with last 3 faults ♦ Protective Functions ...

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

Active Member

Add to cart
CE AC Single Phase Voltage Monitoring Relay , Under Voltage Over Voltage Protection Relay

... Phase Voltage Monitoring Relay SVRD-220 ♦ Features -- Single-phase monitoring of over- and undervoltage -- Powered by the measuring circuit -- 2 C/O contacts -- 3 LEDs for status indication ♦ Protective Fun...

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

Active Member

Add to cart
CE 3 Phase DC Over Voltage Under Voltage Protective Relay 12V DVRD Series

...Relay DC Over/Under Voltage Relay DVRD-24 Features: Compact modular size DC circuit monitoring of over-and undervoltage Adjustable over-and undervoltage threshold Adjustable trip delay time Powered by the me...

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

Active Member

Add to cart
GINRI DVRD Over - Under Voltage Protection Relay DC Supply In Grey Color

...Relay DC Over/Under Voltage Relay DVRD Features: Compact modular size DC circuit monitoring of over-and undervoltage Adjustable over-and undervoltage threshold Adjustable trip delay time Powered by the measu...

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

Active Member

Add to cart
DC Voltage Controlled 3 Phase Protection Relay 12V 24V 36V 48V High Low Voltage Monitor

...Relay DC Over/Under Voltage Relay DVRD Features: Compact modular size DC circuit monitoring of over-and undervoltage Adjustable over-and undervoltage threshold Adjustable trip delay time Powered by the measu...

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

Active Member

Add to cart
DC 20-80V Single Phase Voltage Monitoring Relay Upper Under Voltage Protection Relays

DC 20-80V Single Phase Voltage Monitoring Relay Upper Under Voltage Protection Relayss ♦ Features -- Powered by the measuring circuit Compatible with AC and DC supply Built-in LCD and keypad afford a precise,di...

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

Verified Supplier

Add to cart
Mini Under Voltage Protective Relay 110V-240V AC / DC Voltage Relay 50/60Hz

... housing -- Adjustable over- and undervoltage threshold -- Independent adjustable delay time for overvoltage, undervoltage -- 1 CO & 1NC contacts -- Fault recording with last 3 faults ♦ Protective Functions ...

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

Verified Supplier

Add to cart
CE AC Single Phase Voltage Monitoring Relay , Under Voltage Over Voltage Protection Relay

... Phase Voltage Monitoring Relay SVRD-220 ♦ Features -- Single-phase monitoring of over- and undervoltage -- Powered by the measuring circuit -- 2 C/O contacts -- 3 LEDs for status indication ♦ Protective Fun...

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

Verified Supplier

Add to cart
CE 3 Phase DC Over Voltage Under Voltage Protective Relay 12V DVRD Series

...Relay DC Over/Under Voltage Relay DVRD-24 Features: Compact modular size DC circuit monitoring of over-and undervoltage Adjustable over-and undervoltage threshold Adjustable trip delay time Powered by the me...

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

Verified Supplier

Add to cart
GINRI DVRD Over - Under Voltage Protection Relay DC Supply In Grey Color

...Relay DC Over/Under Voltage Relay DVRD Features: Compact modular size DC circuit monitoring of over-and undervoltage Adjustable over-and undervoltage threshold Adjustable trip delay time Powered by the measu...

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

Verified Supplier

Add to cart
DC Voltage Controlled 3 Phase Protection Relay 12V 24V 36V 48V High Low Voltage Monitor

...Relay DC Over/Under Voltage Relay DVRD Features: Compact modular size DC circuit monitoring of over-and undervoltage Adjustable over-and undervoltage threshold Adjustable trip delay time Powered by the measu...

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

Verified Supplier

Add to cart
Multi-Functional Six Phase Protection Relay Testing Secondary Current Injection Tester

..., voltage 125V/phase, current 30A/phase, 6 phases in parallel can up to 180A. With digital Signal Processor Microcomputer, it can not only test the traditional relays and protectors but also can test the mod...

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

Verified Supplier

Add to cart
6.8kg High Accuracy 3 Phase Ac Electrical Power Calibrator For Protection Relay Device

...8KG HIGH ACCURACY 3 PHASE ELECTRIC PORTABLE Electrical Power Calibrator FOR PROTECTION RELAY DEVICE 6.8KG HIGH ACCURACY 3 PHASE ELECTRIC PORTABLE POWER SOURCE FOR PROTECTION RELAY DEVICE GF303B 3 phase stand...

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

Verified Supplier

Add to cart
Voltage Failure Three Phase Reversal Protection Relay 250VAC Resistive Load

...protection monitoring phase relay Feature Compact size and DIN rail mounting Three-phase monitoring of phases sequence,phase loss,over and undervoltage and phase unbalance Powered by the measuring circuit 1C...

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

Active Member

Add to cart
Phase Loss Protection Digital Motor Protection Relay 3-100A 380VAC MDB-1Z

Phase Loss Protection Electronic Overload Relay 3-100A 380VAC MDB-1Z Features 1. Compact modular size with integrative structure 2. Built-in LED and keypad afford a precise,......

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

Active Member

Add to cart
RSPDF-1000 DC Ground Fault Tester , Protective Relay Test Equipment

RSPDF-1000 Relay Protection Device DC Ground Fault Tester Product Description PDF1000 type DC ground fault tester is a new generation of products. It can be applied to DC systems of any voltage class and is equ...

Wuhan Rising Electric Co., Ltd.
Hubei,China

Verified Supplier

Add to cart

|< << 19 20 21 22 23 24 25 26 27 >> >|

Inquiry Cart 0

All Categories

Microprocessor Based Protective Relays

Total 17623 products for microprocessor based protective relays Manufacture & Suppliers

KINGSINE K3063i Distance Protection Relay Testing Secondary Injection Test Set

Digital Motor Protection Device , LG / LS Power Production Digital Motor Protection Relay

Refcomp RCX-A2 Motor Protection Relay / Compressor Motor Protector

DC 20-80V Single Phase Voltage Monitoring Relay Upper Under Voltage Protection Relays

Mini Under Voltage Protective Relay 110V-240V AC / DC Voltage Relay 50/60Hz

CE AC Single Phase Voltage Monitoring Relay , Under Voltage Over Voltage Protection Relay

CE 3 Phase DC Over Voltage Under Voltage Protective Relay 12V DVRD Series

GINRI DVRD Over - Under Voltage Protection Relay DC Supply In Grey Color

DC Voltage Controlled 3 Phase Protection Relay 12V 24V 36V 48V High Low Voltage Monitor

DC 20-80V Single Phase Voltage Monitoring Relay Upper Under Voltage Protection Relays

Mini Under Voltage Protective Relay 110V-240V AC / DC Voltage Relay 50/60Hz

CE AC Single Phase Voltage Monitoring Relay , Under Voltage Over Voltage Protection Relay

CE 3 Phase DC Over Voltage Under Voltage Protective Relay 12V DVRD Series

GINRI DVRD Over - Under Voltage Protection Relay DC Supply In Grey Color

DC Voltage Controlled 3 Phase Protection Relay 12V 24V 36V 48V High Low Voltage Monitor

Multi-Functional Six Phase Protection Relay Testing Secondary Current Injection Tester

6.8kg High Accuracy 3 Phase Ac Electrical Power Calibrator For Protection Relay Device

Voltage Failure Three Phase Reversal Protection Relay 250VAC Resistive Load

Phase Loss Protection Digital Motor Protection Relay 3-100A 380VAC MDB-1Z

RSPDF-1000 DC Ground Fault Tester , Protective Relay Test Equipment