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Total 3963 products for numerical relay protection Manufacture & Suppliers

Elevator part Three Phase Voltage Monitoring Relay phase failure protective deivce 380VAC Din rail

...Relay phase failure protective deivce Phase sequence protector principle Phase Sequence Protector Principle Under normal circumstances, the wiring order of the motor work is regulated. If for some reason, th...

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

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Sequence Failure Three Phase Voltage Monitoring Relay JVR800-1 For Refrigeratin

...Relay JVR800-1 For Refrigeratin This product is a kind of intelligent multi-function monitoring and protection instrument, which integrates the functions of the timer and voltage display, over voltage and un...

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

Active Member

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Single Phase Undervoltage Relay 3 LEDs For Status Indication 440VAC SVRD-220

...Relay 3 LEDs For Status Indication 440VAC SVRD-220 1 , over-voltage protection: When the grid voltage is greater than the set value starts the protection function, the action threshold setting range OFF-390-...

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

Active Member

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Three Phase Unbalance Overvoltage Protection Relay With Fault Recording WDB-1Z

Three Phase UnbalanceOvervoltage Protection Relay With Fault Recording WDB-1Z The function of the motor protector is to provide comprehensive protection and control of the motor. Overcurrent, undercurrent, phas...

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

Active Member

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Undervoltage 12V DC Current Monitoring Relay 2 C/O Output Contacts

... or falls below a certain value, a protection measure of the circuit can be automatically disconnected. Its function is to avoid accidents caused by the sudden start of the equipment when the voltage recover...

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

Active Member

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Time Delay DC Voltage Monitoring Relay Plug - In Module With DIN Socket

...Protection Relay Plug - In Module With DIN Socket ■Features: ● Overvoltage protection ● Undervoltage protection ● 8PFA base mounting ■Application: Products are widely used: variable frequency power supply, U...

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

Active Member

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Din Rail 4 Wire Three Phase Voltage Monitoring Relay Over Under Voltage Protection

...Relay Over Under Voltage Protection ♦ Features -- Compact modular size -- Neutral loss -- Three-phase Four-wire monitoring of phase sequence, phase loss, over- and undervoltage and phase unbalance -- Powered...

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

Active Member

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Electronic Motor Protection Relay Digital Motor Protector For Pump Air Compressor

...Protection Relay MDB-201Z Intelligent Digital Motor Protector ♦ Features -- Compact modular size -- Built-in LED and keypad afford a precise,digital setting -- Three-phase monitoring of overload,phase loss, ...

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

Active Member

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Intelligent Motor Protection Relay Overload Phase Failure Protector For Mining Excavators

...Protection Relay Overload Phase Failure Protector ♦ Features -- Compact modular size -- Built-in LED and keypad afford a precise,digital setting -- Three-phase monitoring of overload,phase loss, current unba...

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

Active Member

Add to cart
Sequence Failure Three Phase Voltage Monitoring Relay JVR800-1 For Refrigeratin

...Relay JVR800-1 For Refrigeratin This product is a kind of intelligent multi-function monitoring and protection instrument, which integrates the functions of the timer and voltage display, over voltage and un...

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

Verified Supplier

Add to cart
Elevator part Three Phase Voltage Monitoring Relay phase failure protective deivce 380VAC Din rail

...Relay phase failure protective deivce Phase sequence protector principle Phase Sequence Protector Principle Under normal circumstances, the wiring order of the motor work is regulated. If for some reason, th...

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

Verified Supplier

Add to cart
Din Rail 4 Wire Three Phase Voltage Monitoring Relay Over Under Voltage Protection

...Relay Over Under Voltage Protection ♦ Features -- Compact modular size -- Neutral loss -- Three-phase Four-wire monitoring of phase sequence, phase loss, over- and undervoltage and phase unbalance -- Powered...

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

Verified Supplier

Add to cart
Single Phase Undervoltage Relay 3 LEDs For Status Indication 440VAC SVRD-220

...Relay 3 LEDs For Status Indication 440VAC SVRD-220 1 , over-voltage protection: When the grid voltage is greater than the set value starts the protection function, the action threshold setting range OFF-390-...

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

Verified Supplier

Add to cart
Three Phase Unbalance Overvoltage Protection Relay With Fault Recording WDB-1Z

Three Phase UnbalanceOvervoltage Protection Relay With Fault Recording WDB-1Z The function of the motor protector is to provide comprehensive protection and control of the motor. Overcurrent, undercurrent, phas...

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

Verified Supplier

Add to cart
Electronic Motor Protection Relay Digital Motor Protector For Pump Air Compressor

...Protection Relay MDB-201Z Intelligent Digital Motor Protector ♦ Features -- Compact modular size -- Built-in LED and keypad afford a precise,digital setting -- Three-phase monitoring of overload,phase loss, ...

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

Verified Supplier

Add to cart
Intelligent Motor Protection Relay Overload Phase Failure Protector For Mining Excavators

...Protection Relay Overload Phase Failure Protector ♦ Features -- Compact modular size -- Built-in LED and keypad afford a precise,digital setting -- Three-phase monitoring of overload,phase loss, current unba...

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

Verified Supplier

Add to cart
Time Delay DC Voltage Monitoring Relay Plug - In Module With DIN Socket

...Protection Relay Plug - In Module With DIN Socket ■Features: ● Overvoltage protection ● Undervoltage protection ● 8PFA base mounting ■Application: Products are widely used: variable frequency power supply, U...

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

Verified Supplier

Add to cart
Undervoltage 12V DC Current Monitoring Relay 2 C/O Output Contacts

... or falls below a certain value, a protection measure of the circuit can be automatically disconnected. Its function is to avoid accidents caused by the sudden start of the equipment when the voltage recover...

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

Verified Supplier

Add to cart
C577 Protective Relay 1SAR501220R0001 Safety Switchgear Safety Relay 24VDC

...Protective Relay 1SAR501220R0001 Safety Switchgear Safety Relay 24VDC Product Information Of : 1SAR501220R0001 General info : Article number : 1SAR501220R0001 Catalog Description : Protection Relays Type Des...

Wisdomlong Technology CO.，LTD
China

Active Member

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LBQ-III Hand Held 1000mA Leakage Protection Switch Tester

Hand Held 1000mA Leakage Protection Tester Leakage Protection Switch Tester Introduction Leakage Protection switch Tester is well designed and manufactured for online measuring the leakage operating current, le...

Wuhan GDZX Power Equipment Co., Ltd
Hubei,China

Verified Supplier

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Numerical Relay Protection

Total 3963 products for numerical relay protection Manufacture & Suppliers

Elevator part Three Phase Voltage Monitoring Relay phase failure protective deivce 380VAC Din rail

Sequence Failure Three Phase Voltage Monitoring Relay JVR800-1 For Refrigeratin

Single Phase Undervoltage Relay 3 LEDs For Status Indication 440VAC SVRD-220

Three Phase Unbalance Overvoltage Protection Relay With Fault Recording WDB-1Z

Undervoltage 12V DC Current Monitoring Relay 2 C/O Output Contacts

Time Delay DC Voltage Monitoring Relay Plug - In Module With DIN Socket

Din Rail 4 Wire Three Phase Voltage Monitoring Relay Over Under Voltage Protection

Electronic Motor Protection Relay Digital Motor Protector For Pump Air Compressor

Intelligent Motor Protection Relay Overload Phase Failure Protector For Mining Excavators

Sequence Failure Three Phase Voltage Monitoring Relay JVR800-1 For Refrigeratin

Elevator part Three Phase Voltage Monitoring Relay phase failure protective deivce 380VAC Din rail

Din Rail 4 Wire Three Phase Voltage Monitoring Relay Over Under Voltage Protection

Single Phase Undervoltage Relay 3 LEDs For Status Indication 440VAC SVRD-220

Three Phase Unbalance Overvoltage Protection Relay With Fault Recording WDB-1Z

Electronic Motor Protection Relay Digital Motor Protector For Pump Air Compressor

Intelligent Motor Protection Relay Overload Phase Failure Protector For Mining Excavators

Time Delay DC Voltage Monitoring Relay Plug - In Module With DIN Socket

Undervoltage 12V DC Current Monitoring Relay 2 C/O Output Contacts

C577 Protective Relay 1SAR501220R0001 Safety Switchgear Safety Relay 24VDC

LBQ-III Hand Held 1000mA Leakage Protection Switch Tester