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Total 4119 products for numerical relay protection Manufacture & Suppliers

3 Phase Unbalance Time Delay Undervoltage Relay Compact Modular Size

... and protection equipment. Sets three-phase voltage display, over-voltage protection, under-voltage protection, phase loss protection (phase protection), three-phase voltage imbalance protection, phase seque...

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

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UL listed Motor Thermal Overload Relay / Automatic Magnetic Overload Relay

...Relay / Automatic Magnetic Overload Relay UKH series thermal overload relays apply to circuit of AC 50Hz or 60Hz, rated voltage to below 660V and rated current . 1A-800A for AC motor overload and open-phase ...

Zhejiang KRIPAL Electric Co., Ltd.
Zhejiang,China

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Phase Sequence Protection Relay , 3 Phase Control Relay Plug - In Mounting Apr-4

Phase Sequence Protection Relay , 3 Phase Control Relay Plug - In Mounting Apr-4 Product Description The definition of the relay: It is an electrical control device, which is an electrical device that causes a ...

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

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Mini Phase Failure Protection Relay Three Phase Voltage Monitoring Relay Over Under Voltage

Phase Failure Protection Relay JVRD-380W Three Phase Voltage Monitoring Relay Over Under Voltage Relays Function : Phase loss(failure) Phase Sequence(Reversal) Phase unbalance(Asymmetry) Undervoltage Overvoltag...

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

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160A Thermal Overload Relay Three Phase Bimetallic Strip Thermal Relay

... 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 Phase-break protec...

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

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60A 225mm Single Phase Solid State Relay Switch Temperature Exorbitant Prevent

...Relay Kit Description of Solid State Relay Kit solid state relay PDF: https://maiimg.com/free/?e=dyPPp/s2DmrS66 rectifer.pdf power controller.pdf Function and Characteristic ◆ Assemble design of heatsink, ai...

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

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Electromagnetic 100A Protective Magnecraft Latching Relay For Smart Meter

.... For this 100A latching relay are commonly used in Russia and Ukraine. What's more required UC2/UC3 are available here. 1. Main Features: ● Latching relay, 100A switching capability ● Impulse control within...

IVY METERING CO.,LTD
Shanghai,China

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32A 300V Protection Relay Test Kit , 14.8kg Secondary Injection Test Set

...Relay Test System Model: RELAYSTAR-H60 The RELAYSTAR-H60 is portable 6-phase relay test system for testing most types of modern multi-function protection relays, which can output 6-phase current(6x0…32A) and...

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD
China

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Automatic Adjustment 12v 50 Amp Relay NB90-12S-S-A Safety Protection For New Energy

... few days. Therefore, more and more fast charging stations are manufactured to meet the needs of electric vehicle charging. NB90 series AC relays are specially used in charging piles. The contacts have high ...

Shenzhen Ketai Electronic Technology Co., Ltd.
China

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Short Circuit Protection Solid State Relay Customizable High Sensitivity

...Protection Solid State Relay Customizable High Sensitivity Solid State Relay Description: Solid-state relays are non-contact switches composed of microelectronic circuits, discrete electronic devices, and po...

Shenzhen Ketai Electronic Technology Co., Ltd.
China

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Dustproof Solid State Relay Overload Protection Solder Resistant Small

...-state electronic components. The purpose of making and breaking the circuit so is also called a "non-contact switch". Solid State Relay Features: 1. 4A for load current 2. Load voltage can reach 280VAC 3. Z...

Shenzhen Ketai Electronic Technology Co., Ltd.
China

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Conversion Circuit Solid State Relay Overheat Protection Function Standard

... controlled terminals. It has both amplifying and driving functions and isolation functions and is very suitable for driving high-power switching actuators, Compared with the electromagnetic relay, the relia...

Shenzhen Ketai Electronic Technology Co., Ltd.
China

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AUTOMOTIVE DC12V CURRENT CONTROL RELAY SHORT CIRCUIT PROTECTION UNINTERRUPTED LINE

... makes the armature and the permanent magnet generate an attractive and repulsive torque, resulting in a downward movement, and finally reaches the state of attraction. When the relay is working,...

Shenzhen Ketai Electronic Technology Co., Ltd.
China

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SPST SPDT Overload Protection Relay Standard Printed Board Pinout Spdt Contact

...Protection Relay Standard Printed Board Pinout spdt contact 12V 50A Relay Introduce: The relay is kept in the released state by the permanent magnet. After the working voltage is applied, the electromagnetic...

Shenzhen Ketai Electronic Technology Co., Ltd.
China

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150W 625VA 12V 50A Relay Overheat Protection Function Uninterrupted Line

150W 625VA 12V 50A Relay Overheat Protection Function Uninterrupted Line Speed Sensitive 12V 50A Relay NB902-12S-S-A Adjustment Switch Sensitivity 12V 50A Relay Introduce: A relay is an electrical control devic...

Shenzhen Ketai Electronic Technology Co., Ltd.
China

Active Member

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160A Thermal Overload Relay Three Phase Bimetallic Strip Thermal Relay

... 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 Phase-break protec...

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

Verified Supplier

Add to cart
Electromagnetic 100A Protective Magnecraft Latching Relay For Smart Meter

.... For this 100A latching relay are commonly used in Russia and Ukraine. What's more required UC2/UC3 are available here. 1. Main Features: ● Latching relay, 100A switching capability ● Impulse control within...

IVY METERING CO.,LTD
Shanghai,China

Verified Supplier

Add to cart
Phase Sequence Protection Relay , 3 Phase Control Relay Plug - In Mounting Apr-4

Phase Sequence Protection Relay , 3 Phase Control Relay Plug - In Mounting Apr-4 Product Description The definition of the relay: It is an electrical control device, which is an electrical device that causes a ...

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

Verified Supplier

Add to cart
Mini Phase Failure Protection Relay Three Phase Voltage Monitoring Relay Over Under Voltage

Phase Failure Protection Relay JVRD-380W Three Phase Voltage Monitoring Relay Over Under Voltage Relays Function : Phase loss(failure) Phase Sequence(Reversal) Phase unbalance(Asymmetry) Undervoltage Overvoltag...

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

Verified Supplier

Add to cart
32A 300V Protection Relay Test Kit , 14.8kg Secondary Injection Test Set

...Relay Test System Model: RELAYSTAR-H60 The RELAYSTAR-H60 is portable 6-phase relay test system for testing most types of modern multi-function protection relays, which can output 6-phase current(6x0…32A) and...

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD
China

Verified Supplier

Add to cart