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Phase Sequence Relay

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Total 2273 products for phase sequence relay Manufacture & Suppliers

3 Phase Relay Tester

...Relay System Tester Introduction HYJB-PC is applied to test the relay unit in relay protection system. At the same time HYJB-PC could be considered as a universal three phase AC/DC voltage source or current ...

Wuhan Huaying Electric Power Tech & Science Co.,ltd
Hubei,China

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3 Phase Relay Protection Tester / Secondary Current Injection Test Set

...Relay System Tester Introduction HYJB-PC is applied to test the relay unit in relay protection system. At the same time HYJB-PC could be considered as a universal three phase AC/DC voltage source or current ...

Wuhan Huaying Electric Power Tech & Science Co.,ltd
Hubei,China

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Three Phase Thermal Overload Device 660V Adjustable Setting Current

... working voltage of main circuit is 660V and current is 0.25~630A. They are used for overload and Phase-break protection of AC motors. Features: The whole series of products are equipped with overload and Ph...

HUANGSHAN SAFETY ELECTRIC TECHNOLOGY CO., LTD.
Anhui,China

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

Single 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 ...

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

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SVRD-220 Single Phase Voltage Monitoring Relay Over Under Voltage Relay

Single 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 ...

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

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High Current 3-32VDC Single Phase SSR40dd

AC SSR Relay AC SSR of Horizontal Type Double LED Indicator Description of AC Single Phase SSR Solid State Relay Specification of AC Single Phase SSR Solid State Relay AC SSR Relay AC SSR of Horizontal Type Dou...

Jiangsu Gold Electrical Control Technology Co., Ltd.
Jiangsu,China

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EU UL approved High Voltage Single Phase SSR40aa

AC SSR Relay AC SSR of Horizontal Type Double LED Indicator Description of AC Single Phase SSR Solid State Relay Specification of AC Single Phase SSR Solid State Relay AC SSR Relay AC SSR of Horizontal Type Dou...

Jiangsu Gold Electrical Control Technology Co., Ltd.
Jiangsu,China

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Three Phase Thermal Overload Device 660V Adjustable Setting Current

... working voltage of main circuit is 660V and current is 0.25~630A. They are used for overload and Phase-break protection of AC motors. Features: The whole series of products are equipped with overload and Ph...

HUANGSHAN SAFETY ELECTRIC TECHNOLOGY CO., LTD.
Anhui,China

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

Single 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 ...

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

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SVRD-220 Single Phase Voltage Monitoring Relay Over Under Voltage Relay

Single 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 ...

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

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Phase reversal protector Three Phase Voltage Monitoring Relay 2 CO , 6A

Phase reversal protector Three Phase Voltage Monitoring Relay 2 CO , 6A If two of the lines supplying power to a three-phase motor are reversed, it will cause the motor to reverse the direction of rotation. Thi...

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

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Unbalance Three Phase Voltage Monitoring Relay 50/60 Hz 1 C/O Output

...Phase Voltage Monitoring Relay Unbalance 1 C/O Output Three-phase imbalance: It means that the three-phase current (or voltage) amplitude is inconsistent in the power system, and the amplitude difference exc...

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

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Blowers Three Phase Voltage Monitoring Relay Neutral Loss Protector Four Wire

...Phase Voltage Monitoring Relay Neutral Loss Protector Four Wire ◆Features -- Standard modular structure, rail mounting -- Zero line break function -- Real-time monitoring of overvoltage, undervoltage, phase ...

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

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MDB-501Z Motor Overload Relay Voltage Current Phase Monitor Earth Fault Overload Control

...Relay MDB-501Z Overload Underload Phase Loss Protector ♦ Features -- Compact modular size -- Built-in LCD and keypad afford a precise,digital setting -- Three-phase monitoring of short-circuit,locked-rotor,o...

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

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

...Relay MDB-501Z Overload Underload Phase Loss Protector ♦ Features -- Compact modular size -- Built-in LCD and keypad afford a precise,digital setting -- Three-phase monitoring of short-circuit,locked-rotor,o...

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

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Microcomputer Relay Protection Testing Device RS702 0.5 Class Output Accuracy

..., various combination outputs can be conveniently carried out for various types of protection tests. Each phase voltage can output 120V, current three can output 120A, the fourth phase voltage Ux is a multi-...

Wuhan Rising Electric Co., Ltd.
Hubei,China

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Blowers Three Phase Voltage Monitoring Relay Neutral Loss Protector Four Wire

...Phase Voltage Monitoring Relay Neutral Loss Protector Four Wire ◆Features -- Standard modular structure, rail mounting -- Zero line break function -- Real-time monitoring of overvoltage, undervoltage, phase ...

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

Verified Supplier

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Unbalance Three Phase Voltage Monitoring Relay 50/60 Hz 1 C/O Output

...Phase Voltage Monitoring Relay Unbalance 1 C/O Output Three-phase imbalance: It means that the three-phase current (or voltage) amplitude is inconsistent in the power system, and the amplitude difference exc...

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

Verified Supplier

Add to cart
Phase reversal protector Three Phase Voltage Monitoring Relay 2 CO , 6A

Phase reversal protector Three Phase Voltage Monitoring Relay 2 CO , 6A If two of the lines supplying power to a three-phase motor are reversed, it will cause the motor to reverse the direction of rotation. Thi...

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

Verified Supplier

Add to cart
MDB-501Z Motor Overload Relay Voltage Current Phase Monitor Earth Fault Overload Control

...Relay MDB-501Z Overload Underload Phase Loss Protector ♦ Features -- Compact modular size -- Built-in LCD and keypad afford a precise,digital setting -- Three-phase monitoring of short-circuit,locked-rotor,o...

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

Verified Supplier

Add to cart