Home > Electrical Equipment & Supplies > Electrical Instruments > Energy Meters >

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 3963 products for numerical relay protection Manufacture & Suppliers

Handheld Protection Relay Test Equipment Phase Angle Meter For Measuring 0° To 360°

GF311 Handheld Multifunction Protection Relay Test, phase angle meter for measuring 0�� to 360�� The GF311 is specifically designed for measurements on electrical power systems. It is capable of displaying the ph...

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

Verified Supplier

Add to cart
Digital Motor Protection Relays WDB -1FMT Over Current Overload Modules

Digital Motor Protection Relays WDB-1FMT Over Current Overload Modules With CT AC220V 10-100A Features 1. Separate structure, LED part panel mounted and CT part screw fixing 2. Built-in LED and keypad afford a ...

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

Active Member

Add to cart
Single Phase Three Phase Motor Protection Relay Overvoltage Overload For Pump Motor Compressor

Single Phase Three Phase Motor Protection Relay WDB-1FMT Overvoltage Overload Monitor For Pump Motor Compressor ♦ Features -- Separate structure,LED part panel mounted and CT part ......

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

Active Member

Add to cart
Overvoltage Undervoltage Three Phase Voltage Monitoring Relay Phase Sequence Asymmetry Protect

... Digital Voltage Monitoring Relay JVR800-2 Overvoltage-Undervoltage Phase Sequence Asymmetry Protect ♦ Features -- Compact modular 43mm housing -- Microprocessor technology provides highly accurate and repea...

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

Active Member

Add to cart
LCD Display Motor Protection Relay With CT Overload Voltage Current Control Separate

GINRI MDB-501Z Voltage Current Phase Monitor Earth Fault Overload Control Motor Protection Relay ♦ Features -- Compact modular size -- Built-in LCD and keypad afford a precise,digital setting -- Three-phase mon...

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

Active Member

Add to cart
Digital Motor Protector Fan Motor Overload Phase Failure Protection Relay With Earth Fault

GINRI Motor Protection Relay MDB-501Z Overload Underload Phase Loss Protector ♦ Features -- Compact modular size -- Built-in LCD and keypad afford a ......

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

Active Member

Add to cart
Digital Three Phase Voltage Monitoring Relay In Over Under Voltage For Voltage Fault Protect

... Digital Voltage Monitoring Relay JVR800-2 Overvoltage-Undervoltage Phase Sequence Asymmetry Protect ♦ Features -- Compact modular 43mm housing -- Microprocessor technology provides highly accurate and repea...

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

Active Member

Add to cart
Pumps Under Current Protection Relay With Fault Recording 50/60 Hz WDB-1FMT

Pumps Under Current Protection Relay With Fault Recording 50/60 Hz WDB-1FMT First, the basic principles of selection Today, there are no uniform standards for motor protection products on the market, and the mo...

Wenzhou Ginri Power Automation Co., Ltd.
Zhejiang,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

Verified Supplier

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

Refrigeration Units Three Phase Voltage Monitoring Relay phase reversal protect Neutral loss monitoring function could protect The three-phase circuit composed of a single-phase load is generally asymmetrical. ...

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

Verified Supplier

Add to cart
Adjustable Phase Loss Protection 3 Phase Monitoring Relay With Din Rail Mount

...Protection 3 Phase Monitoring Relay With Din Rail Mount Features Compact modular size Three-phase monitoring of phase sequence,phase loss,over and undervoltage and phase unabalance Adjustable over-and underv...

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

Verified Supplier

Add to cart
Over Voltage Protection Three Phase Voltage Monitoring Relay For Control Cabinet

... protection -- Built-in LCD and keypad afford a precise digital setting -- Adjustable over- and undervoltage,phase unbalance threshold -- Independent adjustable delay ......

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

Verified Supplier

Add to cart
Overvoltage Undervoltage Three Phase Voltage Monitoring Relay Phase Sequence Asymmetry Protect

... Digital Voltage Monitoring Relay JVR800-2 Overvoltage-Undervoltage Phase Sequence Asymmetry Protect ♦ Features -- Compact modular 43mm housing -- Microprocessor technology provides highly accurate and repea...

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

Verified Supplier

Add to cart
Digital Three Phase Voltage Monitoring Relay In Over Under Voltage For Voltage Fault Protect

... Digital Voltage Monitoring Relay JVR800-2 Overvoltage-Undervoltage Phase Sequence Asymmetry Protect ♦ Features -- Compact modular 43mm housing -- Microprocessor technology provides highly accurate and repea...

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

Verified Supplier

Add to cart
Intelligent Motor Protection Relay WDB-1FMT CE / CCC Certification 220VAC

Intelligent Motor Protection Relay WDB-1FMT CE / CCC Cetification 220VAC The ideal motor protector is not the most functional, nor is it the most advanced, but should be the most practical. So what is practical...

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

Verified Supplier

Add to cart
LED Display Motor Multifunction Protection Relay Digital Setting For Compressors

LED Display Motor Multifunction Protection Relay Digital Setting For Compressors 1 . Why is the motor burned more easily than before? Due to the continuous development of the insulation technology, the design o...

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

Verified Supplier

Add to cart
Over / Under Current Motor Protection Relay 2 C/O Output Contacts With Fault Recording

Over / Under Current Motor Protection Relay 2 C/O Output Contacts With Fault Recording 1. The motor is easier to burn the winding than in the past because of the continuous development of the insulation technol...

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

Verified Supplier

Add to cart
Phase Failure Motor Protection Relay For Refrigeration Units LED Display

Phase Failure Motor Protection Relay For Refrigeration Units LED Display �� Features Integrative structure or Separate structure, Built-in LED and keypad afford a precise,digital setting, Three-phase monitoring ...

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

Verified Supplier

Add to cart
Motors Under Current Protection Relay Black Shell 1 C/O Trip 1 C/O Alert

Motors Under Current Protection Relay Black Shell 1 C/O For Trip 1 C/O For Alert �� Features 1 . Integrative structure or Separate structure 2 . Built-in LED and keypad afford a precise 3 . digital setting 4 . T...

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

Verified Supplier

Add to cart
Over Under Voltage Motor Protection Relay With Digital Setting Locked Rotor

Over Under Voltage Motor Protection Relay With Digital Setting Locked Rotor The motor is easier to burn the winding than in the past because of the continuous development of the insulation technology. In the de...

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

Verified Supplier

Add to cart

|< << 40 41 42 43 44 45 46 47 48 >> >|

Inquiry Cart 0

All Categories

Numerical Relay Protection

Total 3963 products for numerical relay protection Manufacture & Suppliers

Handheld Protection Relay Test Equipment Phase Angle Meter For Measuring 0° To 360°

Digital Motor Protection Relays WDB -1FMT Over Current Overload Modules

Single Phase Three Phase Motor Protection Relay Overvoltage Overload For Pump Motor Compressor

Overvoltage Undervoltage Three Phase Voltage Monitoring Relay Phase Sequence Asymmetry Protect

LCD Display Motor Protection Relay With CT Overload Voltage Current Control Separate

Digital Motor Protector Fan Motor Overload Phase Failure Protection Relay With Earth Fault

Digital Three Phase Voltage Monitoring Relay In Over Under Voltage For Voltage Fault Protect

Pumps Under Current Protection Relay With Fault Recording 50/60 Hz WDB-1FMT

Voltage Failure Three Phase Reversal Protection Relay 250VAC Resistive Load

Refrigeration Units Three Phase Voltage Monitoring Relay phase reversal protect

Adjustable Phase Loss Protection 3 Phase Monitoring Relay With Din Rail Mount

Over Voltage Protection Three Phase Voltage Monitoring Relay For Control Cabinet

Overvoltage Undervoltage Three Phase Voltage Monitoring Relay Phase Sequence Asymmetry Protect

Digital Three Phase Voltage Monitoring Relay In Over Under Voltage For Voltage Fault Protect

Intelligent Motor Protection Relay WDB-1FMT CE / CCC Certification 220VAC

LED Display Motor Multifunction Protection Relay Digital Setting For Compressors

Over / Under Current Motor Protection Relay 2 C/O Output Contacts With Fault Recording

Phase Failure Motor Protection Relay For Refrigeration Units LED Display

Motors Under Current Protection Relay Black Shell 1 C/O Trip 1 C/O Alert

Over Under Voltage Motor Protection Relay With Digital Setting Locked Rotor