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Numerical Protection Relay

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Total 3963 products for numerical protection relay Manufacture & Suppliers

Over Under Current Protection Relay , Overload Motor Protection Device Leakage Protector

... circuit, over voltage, under voltage, leakage, three-phase unbalance, overheating, grounding, bearing wear, When the rotor is eccentric, the winding is aged to give an alarm or protection control. ♦...

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

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Digital Water Pump Protector Motor Protection Relay Overload Protection Relay 2-99A Width Current Range

...Protection Device 2-99A Motor Protection Relay Width Current Range MDB-201Z ♦ Features -- Compact modular size -- Built-in LED and keypad afford a precise,digital setting -- Three-phase monitoring of overloa...

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

Verified Supplier

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Undervoltage Motor Protection Relay , Short Circuit Phase Loss Monitor Relay

...Protection Relay , short circuit Phase Loss Monitor Relay The motor protector is now developed from the past mechanical type to electronic and intelligent, high sensitivity, high reliability, multi-function,...

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

Active Member

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50-60hz Function Extensive Motor Protection Relay Reverse Power With Unload Function

50-60hz Function Extensive Motor Protection Relay Reverse Power With Unload Function 1. Summary: NGJ-I/S revser relay (With unloading function) is function extensive relay, it has not only reverse power protect...

Wei Dian Union(Hubei) Technology Co.,Ltd.
Hubei,China

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45-65Hz Protection Relay Test Equipment , Double Clamp Digital Phase Angle Meter

...Protection Relay Test device GF211B multi-function double clamp digital phase angle meter is a multi-functional portable instrument. It is an ideal choice for electric power bureau, factories, mine, petroleu...

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

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Undervoltage Motor Protection Relay , Short Circuit Phase Loss Monitor Relay

...Protection Relay , short circuit Phase Loss Monitor Relay The motor protector is now developed from the past mechanical type to electronic and intelligent, high sensitivity, high reliability, multi-function,...

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

Verified Supplier

Add to cart
50-60hz Function Extensive Motor Protection Relay Reverse Power With Unload Function

50-60hz Function Extensive Motor Protection Relay Reverse Power With Unload Function 1. Summary: NGJ-I/S revser relay (With unloading function) is function extensive relay, it has not only reverse power protect...

Wei Dian Union(Hubei) Technology Co.,Ltd.
Hubei,China

Verified Supplier

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Four Phase Three Phase Protection Relay Test Equipment LCD Display

...Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impe...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

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4 Phase Voltage & 3 Phase Current Protection Relay Test Equipment With Fault Playback

...Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impe...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Active Member

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In Built PC Four Phase Three Phase Protection Relay Test Equipment LCD Display

...Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impe...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Active Member

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0.5 class in-built PC Four Phase Three Phase Protection Relay Test Equipment LCD Display

...Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impe...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Active Member

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Four Phase Three Phase Protection Relay Test Equipment LCD Display

...Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impe...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Active Member

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4 Phase Voltage & 3 Phase Current Protection Relay Test Equipment With Fault Playback

...Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impe...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Active Member

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In Built PC Four Phase Three Phase Protection Relay Test Equipment LCD Display

...Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impe...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Active Member

Add to cart
0.5 class in-built PC Four Phase Three Phase Protection Relay Test Equipment LCD Display

...Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impe...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Active Member

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high accuracy in-built PC Four Phase Three Phase Protection Relay Test Equipment LCD Display

...Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impe...

Zhengzhou Great Electric Co.,Ltd.
Henan,China

Active Member

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Current Protection Transformer Protection Relay SID - 2CM Synchronizing Device

...Protection Relay , SID - 2CM Automatic Quasi - Synchronizing Device Main function : 1 There are twelve channels to be used for 1-12 units power generator or power lines paralleling in a device, type and attr...

OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED
Guangdong,China

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XHJB666 Protection Relay Test Set with LCD Display and Precise 6 Phase Relay Calibrator

... relay protection tester fully realized by modern advanced microelectronic technology. Features 1. Output up to 6-phase voltage 6-phase current, which can be combined to realize ......

Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
China

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Portable Three Phase Protective Relay Test Set With Instruments Testing Function

...Protection Relay Test System With instruments testing function The Test-330 Portable Three Phase Protection Relay Test System is the first choice for applications requiring very high accuracy more than 0.1%....

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

Verified Supplier

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Water Pump Motor Protection Relay MDB -201Z Overload Phase Loss Monitor

Electronic Motor Protection Relay MDB-201Z Intelligent Digital Motor Protector What is motor protection relay? The function of the motor protector is to provide comprehensive protection control for the motor. O...

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

Active Member

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Numerical Protection Relay

Total 3963 products for numerical protection relay Manufacture & Suppliers

Over Under Current Protection Relay , Overload Motor Protection Device Leakage Protector

Digital Water Pump Protector Motor Protection Relay Overload Protection Relay 2-99A Width Current Range

Undervoltage Motor Protection Relay , Short Circuit Phase Loss Monitor Relay

50-60hz Function Extensive Motor Protection Relay Reverse Power With Unload Function

45-65Hz Protection Relay Test Equipment , Double Clamp Digital Phase Angle Meter

Undervoltage Motor Protection Relay , Short Circuit Phase Loss Monitor Relay

50-60hz Function Extensive Motor Protection Relay Reverse Power With Unload Function

Four Phase Three Phase Protection Relay Test Equipment LCD Display

4 Phase Voltage & 3 Phase Current Protection Relay Test Equipment With Fault Playback

In Built PC Four Phase Three Phase Protection Relay Test Equipment LCD Display

0.5 class in-built PC Four Phase Three Phase Protection Relay Test Equipment LCD Display

Four Phase Three Phase Protection Relay Test Equipment LCD Display

4 Phase Voltage & 3 Phase Current Protection Relay Test Equipment With Fault Playback

In Built PC Four Phase Three Phase Protection Relay Test Equipment LCD Display

0.5 class in-built PC Four Phase Three Phase Protection Relay Test Equipment LCD Display

high accuracy in-built PC Four Phase Three Phase Protection Relay Test Equipment LCD Display

Current Protection Transformer Protection Relay SID - 2CM Synchronizing Device

XHJB666 Protection Relay Test Set with LCD Display and Precise 6 Phase Relay Calibrator

Portable Three Phase Protective Relay Test Set With Instruments Testing Function

Water Pump Motor Protection Relay MDB -201Z Overload Phase Loss Monitor