3 · Miniature · Ac
Aoasis Afkv-24f Protective Relays 380V Phase Failure Relay
US$ 4.8-5.1
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Phase protection relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Technical Pa
Car Relay · Ac · Lathe Relay
High-Performance Fuanshi Ha-3360-Z Solid State Relay with Protective Cover
US$ 10-350
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Industrial Class Single Phase Solid State Relay with Protection Cover
Product Parameters
1. Features and advantages:
• Opto-isolated input stage, TTL level compatible input, DC or pulse triggering mode.
•Safe insulation voltage between input, output and bo
- Beijing Fuanshi Technology Co., Ltd.
-
- Hebei, China
- ISO9001:2015, ISO45001:2018, ISO14001
- Contact Now
3 · Miniature · Ac
Aoasis Agk-04 380V Delay Timer Rail Mounting Motor Protective Electronic Voltage Relay
US$ 6.1-6.5
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Production S
3 · Miniature · Ac
Aoasis Adgk-04 Digital Protective Relay with 3X3 Digit LED Display Rail Mounting
US$ 13-13.9
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
3 · Time Relay · Miniature
Aoasis Afkd-01/01f Protection Relay Fixed Phase Asymmetry Over Under Digital Protective Relay
US$ 11.5-13
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Digital Phase Protection Relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Tech
Electronic Type · Lathe Relay · 3
Electronic Overload Protective Relay for Motor or Generator
US$ 5.95-35.9
/ Piece
100 Pieces (MOQ)
100 Pieces (MOQ)
Electronic Overload Protective Relay for Motor or Generator
Advanges:
1, Micro-miniature
2, Over current, open phase and stall protection
3, Separate setting for starting delay time and overloading delay time
4, Display function and confirmation for actual current value, and function of det
- Yueqing Aukeman Trading Co., Ltd.
-
- Zhejiang, China
- Contact Now
Miniature · Dc · 2
Refrigerator Freezer Air Conditioning 110V Start Relay Voltage Relay Protective Sealed Overload Protector
US$ 0.1-0.8
/ Piece
100 Pieces (MOQ)
100 Pieces (MOQ)
NINGBO COOLWELL COMPANY. Had developed into a leading professional manufacturer and supplier in the field of A/C and Refrigerator spare parts and tools.
Now we are dealing more than 1300kinds of products, our products range includes compressors, capacitors, contactors, relay, fan motors, condens
Electromagnetic Relay · Electromagnetic Type · 2
80A Latching Relay Power Relay Use in Protective Relay
US$ 2-4
/ Piece
200 Pieces (MOQ)
200 Pieces (MOQ)
China Manufacturers Miniature Relay for Smart meters
Product Description
Contact Parameters
Dimensions(mm)
38.5×33×17.2
Contact Form
1A/1B
Contact Material
Silver Alloy
Max Switching Current(Anti-load)
80A
Max Switching Voltage
28VDC/250VAC
Max Switching Power
2
- Zhe Jiang Yue Ding Corrugated Tube Co., Ltd.
-
5(5.0)
"Fast Delivery"Fast Delivery - Zhejiang, China
- Others
- Contact Now
Voltage Relay · 3 · Miniature
LCD Display Motor Voltage Protection Relay With Multi Protective Function
US$ 15.69-18.87
/ Piece
5 Pieces (MOQ)
5 Pieces (MOQ)
LCD Display Motor Voltage Protection Relay With Multi Protective Function
Our Electronic motor Voltage protective Relay Product Feature
1, Built-in high-performance micro controller with high reliability and Strong resistance to interference.
2, Voltage value and fault message displayed through
- Yueqing Aukeman Trading Co., Ltd.
-
- Zhejiang, China
- Contact Now
3 · Miniature · Ac
Aoasis Adgk-04 Dgk-04 Good Quality Digital Phase Sequence Voltage Protective Relay Manufacturer
US$ 13-13.9
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
-
What are the common types of Protective Relays used in Electrical & Electronics applications?
Common types of Protective Relays used in Electrical & Electronics applications include electromechanical Protective Relays, solid-state Protective Relays, and thermal Protective Relays. With different functions and designs, selecting the right type is crucial for optimal performance.
-
How can I find trustworthy supplier in China for Protective Relays in Electrical & Electronics industry?
To find a trustworthy supplier in China for Protective Relays, conduct thorough research by checking company background, certifications, and customer reviews. Strengthen relationships with suppliers by visiting trade fairs/authentication and seeking long-term partnerships to fulfill your requirements.
-
Can Protective Relays be used in harsh environmental conditions?
Our Protective Relays ensure high reliability even in harsh conditions, thanks to features like the fully hermetically sealed Omron MY4H, suitable for hazardous locations. They are engineered for longevity and superior performance with silver tin indium alloy contacts, providing a well-balanced load handling.
Lathe Relay · High Power Relay · Household Appliances Relay
10A 25A 40A 80A 120A Miniature SSR Solid State Relay Module with Temperature Control Protective Relays for AC State of The Art Epoxy Coated
US$ 5.18-6.9
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Solid State Relay
High-Quality Construction: This SCR power control module is designed with high-quality components, ensuring reliable performance and durability in demanding applications, such as welding machines.
Versatile Application: The module is suitable for various m
- Zhejiang Lingshine Electric CO., Ltd
-
- Zhejiang, China
- Contact Now
3 · Miniature · Ac
Oasis Agk-03 Low Voltage Control Protective Relay Agk-03n China Relays Manufacturer
US$ 4.8-7.5
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Production S
Car Relay · Ac · Lathe Relay
High Power Relay Wj179f Jqx-40f 40A Industrial Protective Relay Dpdt 12V with CE UL CQC TUV
US$ 2.995-4.878
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Jqx-40f 40Ampere Industrial Protective Mini General-Purpose Power Relay DPDT DPST Relays 12V with CE UL CQC TUV Reach
Main Parameter
Contact Arrangement
2A,2B,2C
Contact Material
AgSnO2
Contact Resistance
Max.50mΩ
Rated Load
40A 250VAC
40A 28VDC
Max. Switching Voltage
28VDC/250
- IVY METERING CO., LTD.
-
- Shanghai, China
- Contact Now
3 · Miniature · Ac
Aoasis Adgk-01 Electronic Voltage Protection Relay Fixed Phase Asymmetry Over Under Digital Protective Relay
US$ 6.7-14
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Household Appliances Relay · Ac · Solid State Relay
Protective Relay Qrp Series Starter Relay Timer Relay
US$ 1.49-2.99
/ Piece
1000 Pieces (MOQ)
1000 Pieces (MOQ)
Model
Continu ous Coil Voltage
Pick-up
Drop-out
Min.
Max.
Max.
QRP-63
170V
139
153
55
QRP-64
395V
260
275
120
QRP-65
332V
168
182
90
QRP-66
395V
215
225
120
QRP-67
420V
295
315
125
QRP-68
502V
325
345
135
QRP-69
336V
180
195
105
QRP-70
253V
285
305
77
Q
Electromagnetic Type · Communication Relay · Electromagnetic Relay
Protective 3-Phase Induction Motor Reverse High Voltage Preventing Relay
US$ 1.5-1.7
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Type
MK3P-1,-N
MK2P-1,-N
Item
Mini electromagnetic relay
Dimension
34.5*34.5*52mm
Contact form
3Z
2Z
Contact capacity
10A 250VAC DC28V
Coil voltage
6-220V DC, 6-380V AC
Coil power
DC:≤0.9W, AC:≤1.2VA
Pick-up
DC:≤75%, AC:&le
3 · Miniature · Ac
Aoasis Agkm-02 380VAC Miniature Voltage Protective Relay Motor Phase Voltage Control Relay
US$ 7.1-7.6
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Production S
3 · Miniature · Ac
Aoasis Adgk-01 220VAC Single Phase Over and Under Monitoring Voltage Protective Control Relay
US$ 6.7-14
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Miniature · High Power Relay · Electromagnetic Relay
90A Latching Relay Power Relay Use in Protective Relay
US$ 1.35-3.68
/ Piece
100 Pieces (MOQ)
100 Pieces (MOQ)
Product Parameters
*Application notes:
1. Please reset the Relay when you usee It.Bocau6e the relay have two status close or off when producod,but tho otatus may be changed during the dellvery and Installatlon.
2. Please ensure the rated voltage for the relay disconnetod/ connected, But do not
- Zhejiang Goodvic Electronic Co., Ltd.
-
- Zhejiang, China
- Contact Now
3 · Miniature · Ac
Aoasis Adgk-01 220V AC Digital Protective Relay Motor Phase Voltage Control Relay
US$ 6.7-14
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Ac · 3 · Miniature
Electronic Generator Over and Under Current Protective Relay
US$ 14.92-19.52
/ Piece
50 Pieces (MOQ)
50 Pieces (MOQ)
HTHY-SSD Digital Type Standard Over-current Relay with Ammeter
Specification
Setting
Over-current
05
1~5A
30
3~30A
60
10~60A
Delay Time
D-Time
1~30sec
Operating Time
O-Time
0.5, 1~10sec
Reset
Manual(Instantaneous) Reset / Electrical Reset
Operation Characteristic
Over-cu
- Yueqing Aukeman Trading Co., Ltd.
-
- Zhejiang, China
- Contact Now
Subminiature · Ac · 1
Industrial Protective Electromagnetic Mini General Purpose Power Relay with CE Wl77 12A 30VDC
US$ 0.32
/ Piece
1000 Pieces (MOQ)
1000 Pieces (MOQ)
1.Basic Info:
Model NO:WL77-S-112M
Usage: Household Appliances, Automation Systems, Meter, Receiver, Audio Equipment etc.
Electricity Type:AC, DC
Action Principle:Electromagnetic Type
Trade mark:WQE
Transport Package:1000PCS/CTN
HS Code:8536411000
Phase:1
Number of Pole:1
Protective Charac
- Jiangxi Weiqi Electric Co., Ltd.
-
5(5.0)
"Fast Delivery"Fast Delivery - Jiangxi, China
- ISO9001:2015, Others
- Contact Now
3 · Miniature · Ac
China Supplier Aoasis Afk-04 380V Phase Failure and Phase Sequence Protective Relay
US$ 4.8-5.1
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Phase protection relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Technical Pa
Voltage Relay · 3 · Medium Power Relay
Motor Phase Failure&Phase Sequence&Over-Voltage&Under-Voltage Protective Relay
500 Pieces (MOQ)
Specification:
1.Operation Voltage: 380VAC 50/60Hz
2.Under Voltage Protection Range:300~380VAC; 1~5s adjustable
3.Over Voltage Protection Range:380~460VAC; 0.5~5s adjustable
4. Phase Failure&Phase Sequence Protection: action time:≥0.1s
5.Insulating Resistance:≥100MΩ,AC220V 3A(Resis
Ac · Open Relay · Thermal Relay
Siyan Hh54pl Certified Small Intermediate Relay Over Under Voltage Protective Relay
US$ 0.78-0.8
/ Piece
10 Pieces (MOQ)
10 Pieces (MOQ)
Product Description
Nominal Voltage VDC
Pull-in Voltage (VDC)
Release Voltage (VDC)
Coil Resistance at :±10%(Ω)
Nominal Voltage VAC
Pull-in Voltage
VAC
Release Voltage VAC
Coil Resistance at Ω:±10% VAC
5
4.8
0.50
30
6
4.80
1.80
12
6
4.8
0.60
- Zhejiang Siyan Electric Technology Co., Ltd
-
- Zhejiang, China
- Contact Now
3 · Miniature · Ac
Aoasis Adgk-04 5A 380VAC 50/60Hz IP20 Digital Display Control Relay Protective Relays
US$ 13-13.9
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
3 · Miniature · Ac
Aoasis Agk-04 380VAC 50/60Hz IP20 Voltage Control Relay Protective Relays
US$ 6.1-6.5
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Production S
3 · Miniature · Ac
Aoasis Agk-03 380VAC Electronic Voltage Protective Relay Motor Phase Voltage Control Relay
US$ 4.8-7.5
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Production S
Ac · Household Appliances Relay · Electric Parameter Relay
Earth Leakage Protective Relay (KLR121) Mikro
50 Pieces (MOQ)
Product Description
Earth Leakage Relay/Protective Relay
1. FEATURES
A. Both latching and non-latching type of tripping contacts
B. Trip starting indicator
C. Relay tripped indicator
D. Detection of no connection to current transformer for extra safety
E. High immunity to electrical inte
- Zhejiang Kripal Electric Co., Ltd.
-
- Zhejiang, China
- Contact Now
3 · Miniature · Ac
Aoasis Agkm-02 380V AC 50/60Hz Miniature Low Voltage Control Protective Relay
US$ 7.1-7.6
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Production S
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