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Protection Relay Factory Manufacturers & Suppliers

Protection Relay Factory Total 2,000+ manufacturers & suppliers found with 6,000+ products
Manufacturer/Factory
RS485 Communciation Modules , Relay Module , PLC , AC Amplifier Board , DC Amplifier Board
OEM, ODM, Own Brand
ISO 9001
  • Huaqingjun 8-Channel RS485 Communication Relay Module 12V/24V DC Remote Control Modbus RTU Digital Output Module for Home Automation
    US$ 33 / Piece
    5 Pieces (MOQ)
  • 4-Channel RS485 Communication Omron Relay Module RS485 Modbus RTU/232 DC12V/24V Relay Output Module for Greenhouse Control
    US$ 26 / Piece
    5 Pieces (MOQ)
  • Factory Direct Sales 4-Channel RS485 Communication Relay Module Remote Control for Telecommunication
    US$ 25 / Piece
    5 Pieces (MOQ)

Hangzhou Nante Machinery Co., Ltd.

China Supplier - Diamond MemberSince 2011

Suppliers with verified business licenses

5.0
Plant Area371
Plant Area
Number of Employees13
Number of Employees
Trading Company
Overhead Crane , Gantry crane , Electric hoist , Electric winch , End carriage
OEM, Own Brand
ISO 9001
  • Photoelectric Sensor-Ben Series Ben5m or 10m
    US$ 40 / Piece
    1 Piece (MOQ)
  • Optical Sensors Distance Photoelectric Sensor Switch Ben5m-Mfr
    US$ 40 / Piece
    1 Piece (MOQ)
  • Photoelectric Distance Selection Anti Collision Sensor for Cranes
    US$ 40 / Piece
    1 Piece (MOQ)

Shenzhen Semilotec Co., Ltd.

China Supplier - Diamond MemberSince 2018

Suppliers with verified business licenses

5.0
Plant Area100
Plant Area
Trading Company
IC , Electronic Components , Transistor , Integrated Circuit , Active Components
OEM
Response Time≤3h
  • header 1X2p 2X4p 1X8p pitch 2.54mm
    US$ 11 / Piece
    100 Pieces (MOQ)
  • TPS7A3001DGNR Ultralow-Noise Negative Linear Regulator IC
    US$ 11 / Piece
    100 Pieces (MOQ)
  • MAX3232EIPWRQ1 Dual Transmitter/Receiver RS-232 Automotive IC
    US$ 1.3 / Piece
    100 Pieces (MOQ)

Guangzhou Icecool Refrigeration Equipment Co., Ltd.

China Supplier - Gold MemberSince 2017

Suppliers with verified business licenses

4.0
Plant Area200
Plant Area
Number of Employees4
Number of Employees
Trading Company
Compressor , Temperature Sensor , Condenser , Evaporator , Refrigeration Parts
ODM
Guangzhou, Guangdong
  • 1pin/2pin/3pin/4pin PTC Starter Refrigerator Compressor Start Relay Pl1
    US$ 0.3 / Piece
    200 Pieces (MOQ)
  • 4 Pin PTC Starter Relay Pl7
    US$ 0.3 / Piece
    200 Pieces (MOQ)

Shandong Yurui Economic And Trade Co., LTD

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory
Bulldozer Part , Excavator Part , Shantui , Filter Element , Gear
OEM, ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
  • D2600-10000 Jcc100/1c24-48 12V/24V DC D2600-10000 Starting Contactor Start Relay
    US$ 9.9 / Piece
    1 Piece (MOQ)
  • 1.5kw Track Pin Removal Equipment Disassembly Construction Machinery Track Pin Disassembling
    US$ 999 / Piece
    1 Piece (MOQ)

Hubei Hanton Machinery Co., Ltd.

China Supplier - Diamond MemberSince 2015

Suppliers with verified business licenses

5.0
Plant Area500
Plant Area
Trading Company
Diesel Engine , Diesel Engine Parts , Cummins , Deutz , Detroit
within 15 workdays
Wuhan, Hubei
  • Yuejin Truck 1E11161120 Iveco Sofim 504049024 Engine EDC Relay
    US$ 4.9 / Piece
    1 Piece (MOQ)

Guangzhou Sucpac Auto Parts Co., Ltd

China Supplier - Gold MemberSince 2023

Suppliers with verified business licenses

4.0
Plant Area2000
Plant Area
Manufacturer/Factory
Auto Parts , Wiper Blade , Car Horn , Auto Filters Air Filter Oil Filter Cabin Filter , Spark Plug
OEM, ODM, Own Brand
ISO 9001, ISO 20000, GMP
  • Relay Harnesses DC Car 40A 30A 12V 12 Volt 4 Pin Automotive Car Relay 12V 5 Pins
    US$ 0.5 / Piece
    1000 Pieces (MOQ)

Ningbo Flourishing Precision Electron Co., Ltd.

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Number of Employees51
Number of Employees
Manufacturer/Factory , Trading Company
Realy
ODM, OEM, Own Brand
within 15 workdays
  • Flourishing Relay Wholesale High-Sensitivity Industry PCB Relay with Rohs
    US$ 0.16 / Piece
    1000 Pieces (MOQ)

Qinghe County Kaitian Safety Protection Technology Co., Ltd.

China Supplier - Gold MemberSince 2022

Suppliers with verified business licenses

4.0
Plant Area1600
Plant Area
Number of Employees17
Number of Employees
Manufacturer/Factory , Trading Company
Edge Switch , Impact Switch , Safety Mat
Own Brand, ODM, OEM
ISO 9001
  • Safety Relay Suitable for Edge Sensor Mat Sensor
    US$ 75 / Piece
    1 Piece (MOQ)
Manufacturer/Factory
equipment , Chemical Products , Electronical Products
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Jinhua, Zhejiang
  • Start Relay Protection Module
    US$ 400 / Piece
    1 Piece (MOQ)
Manufacturer/Factory
Relay , Solid State Relay , Relay Module , Electromagnetic Coil Contact Relay , PCB Relay
OEM, Own Brand
ISO 9001, ISO 14001, ISO 14000
  • Dpa51cm44 Three Phase Sequence Failure Protective Relay
    US$ 8.82 / Piece
    200 Pieces (MOQ)

Yiwu Binge Electrical Co., Ltd.

China Supplier - Diamond MemberSince 2024

Suppliers with verified business licenses

5.0
Plant Area1000
Plant Area
Manufacturer/Factory , Trading Company
Touch Switch , Remote Switch , Wall Switch , Dimmer Switch , Switch and Socket
OEM, ODM, Own Brand
ISO 9001
  • Bingoelec Tuya WiFi Smart Circuit Breaker 63A/80A WiFi Recloser
    US$ 29 / pieces
    1 pieces (MOQ)
Manufacturer/Factory , Trading Company
Voltage Protector , Timer Socket , USB Charger Socket , WiFi Socket
OEM, ODM
ISO 9001
  • Automatic Under Over Voltage Protection Relay with Plug /Surge and Voltage Protector
    US$ 2.9 / Piece
    1000 Pieces (MOQ)

Taiyuan Yi Xingchang Trading Co., Ltd.

China Supplier - Gold MemberSince 2024

Suppliers with verified business licenses

4.0
Plant Area2000
Plant Area
Trading Company
Pure Iron , Pure Iron Plate , Smelting Pure Iron , Electromagnetic Pure Iron , High-Purity Iron Billets
OEM, ODM
Taiyuan, Shanxi
  • High Permeability Magnetic Retail Electrician Pure Iron Bar Pure Iron Plate Pure Iron Magnetic Factory Processing Directly for Spot Price Protection
    US$ 285 / kg
    100 kg (MOQ)

APLUS POWER CORP.

China Supplier - Gold MemberSince 2023

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Number of Employees176
Number of Employees
Manufacturer/Factory , Trading Company
UPS , AVR(Stabilizer) , Voltage Protector
ODM, OEM
ISO9001:2015
  • AVR Relay Control 1000va AC Power Home Voltage Regulator
    Negotiable
    1 Piece (MOQ)
  • AVR 1000va Relay Automatic Voltage Regulator Stabilizer for PC Computer
    Negotiable
    1 Piece (MOQ)
  • 1000va Relay Control Regulator AC Voltage Stabilizer AVR for Home Appliance
    Negotiable
    1 Piece (MOQ)

Yueqing Nomak Technology Co., Ltd.

China Supplier - Gold MemberSince 2022

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Number of Employees2
Number of Employees
Manufacturer/Factory , Trading Company
MCCB , Intelligent Molded Case Circuit Breaker
OEM, ODM
ISO9001:2015
  • 3 Pole 125A Circuit Breaker for Short Ciruit Protection High Breaking Capacity MCCB The Factory Wholesale Price
    US$ 10 / Piece
    100 Pieces (MOQ)
  • Nuomake 3 Pole 250A Circuit Breaker for Short Ciruit Protection High Breaking Capacity MCCB
    Negotiable
    12 Pieces (MOQ)
  • MCCB Manufacturer′ S Case Earth Leakage Circuit Breaker250A 3p/4p Residual Earth Leakage Protection Function CE Hmkm1l-250L/4p
    Negotiable
    100 Pieces (MOQ)

NINGBO FBELE ELECTRONICS CO., LTD.

China Supplier - Diamond MemberSince 2006

Suppliers with verified business licenses

5.0
Plant Area150
Plant Area
Number of Employees8
Number of Employees
Trading Company
Piezo buzzer , Speaker , Piezo siren , Switch , Fuse
OEM, Own Brand
ISO 9001, ISO 9000
  • Maxi Plug-in Fuses (MAXI Blade Fuses) ATM
    US$ 0.5 / Piece
    1000 Pieces (MOQ)
  • Maxi Auto Fuse Holder, Auto Terminal Block, Auto Fuse Blocks, Auto Fuse, Mini Fuse Holder
    US$ 0.1 / Piece
    100 Pieces (MOQ)
  • Taiwan Manufacturer High Quality of Fast Blow Glass Tube Fuse Link for Automotive Fuse
    US$ 0.5 / Piece
    1000 Pieces (MOQ)

Shenzhen Xingkai Technology Co., Ltd

China Supplier - Gold MemberSince 2023

Suppliers with verified business licenses

4.0
Plant Area1000
Plant Area
Manufacturer/Factory
Mimos Mesh WiFi Mesh Networks MIMO Mesh Systems , Definition Cofdm Video Transmitter , RF Tactical Radio Communication Video Radio Link , Ptt Military Wireless Mesh Network , Flight Controller RC Telemetry Video Data Link
OEM, ODM, Own Brand
ISO 9001
  • Drone Video Transmitter Manufacturer Wireless Wave Tactical Communications High Frequency Radio Cofdm Video Transmitter
    US$ 2000 / Piece
    1 Piece (MOQ)
  • Cofdm Video Transmitter Factory Long Range Uav Drone RC Drone Tactical Communications Repeater Radio Land Mobile Radio Wireless Wave Definition Receiver
    US$ 6800 / Piece
    1 Piece (MOQ)
  • Radio System Factory Transmitter Definition Tactical Communications Cofdm Video Transmitter for Drone
    US$ 2000 / Piece
    1 Piece (MOQ)

WENZHOU NOVA NEW ENERGY CO., LTD.

China Supplier - Diamond MemberSince 2018

Suppliers with verified business licenses

5.0
Annual Revenue8.31 Mil
Annual Revenue
Plant Area2000
Plant Area
Number of Employees57
Number of Employees
Manufacturer/Factory
Power Inverter , Solar Controller , Solar Connector
Own Brand, ODM, OEM
ISO 9001
  • WiFi Circuit Breaker 4p Iot Air Switch Overload Short Circuit Surge Protection Work with Smart Life/Tuya Smart APP Control
    US$ 37.7 / Piece
    1 Piece (MOQ)
  • WiFi Circuit Breaker 1p Iot Air Switch Overload Short Circuit Surge Protection Work with Smart Life/Tuya Smart APP Control
    US$ 28.8 / Piece
    1 Piece (MOQ)
  • WiFi Circuit Breaker 2p Timer Setting Iot Air Switch Overload Short Circuit Surge Protection Smart APP Control
    US$ 31.1 / Piece
    1 Piece (MOQ)

Chongqing TOP Oil Purifier Co., Ltd.

China Supplier - Diamond MemberSince 2020

Suppliers with verified business licenses

5.0
Plant Area190
Plant Area
Number of Employees25
Number of Employees
Manufacturer/Factory , Trading Company
Oil Purifier Machine; Petroleum Tester; Electrical instrument; Road Bituminous Tester; Chromatograph; Spectrometer; Carbon Black Tester; Coal Tester; lron Core Loss Tester; Diffractometer
ODM, OEM
ISO 9001
  • Three Phase Current Transformer Transformation Ratio Test CT PT Meter, Economical Type, Portable, Auto Protection Tpom-901
    US$ 1000 / Set
    1 Set (MOQ)
  • Portable Online Oil Water Content Tester/Transformer Oil Moisture Detector
    US$ 1000 / Piece
    1 Piece (MOQ)
  • Astmd 892 Portable Laboratory Oil Foaming Characteristics Tester FC-892
    US$ 900 / Piece
    1 Piece (MOQ)

Hebei Leicheng Power Technology Co., Ltd.

China Supplier - Diamond MemberSince 2023

Suppliers with verified business licenses

5.0
Plant Area145
Plant Area
Number of Employees10
Number of Employees
Trading Company
Dry transformer/Oil-type transformer/Steel Angle/Stainless steel coil
ODM
ISO 9001, ISO 14001, ASME
  • Ckj5 Series 380/1140V Vacuum AC Contactor of Induction Voltage Regulator for Transformer
    US$ 400 / Piece
    1 Piece (MOQ)
  • Environmental Protection Combined High Voltage Outdoor Three Phase Power Distribution Transformer Substation
    US$ 1100 / Piece
    1 Piece (MOQ)
  • Environmental Protection Outdoor Prefabricated High Voltage Box Type Combined Substation
    US$ 1500 / Piece
    1 Piece (MOQ)

Vacorda Instruments Manufacturing Co., Ltd.

China Supplier - Gold MemberSince 2019

Suppliers with verified business licenses

4.0
Annual Revenue18.39 Mil
Annual Revenue
Plant Area2000+
Plant Area
Number of Employees71
Number of Employees
Manufacturer/Factory , Trading Company
Level Gauge , Pressure Transmitter , Flow Meter
Own Brand, ODM, OEM
ISO9001:2015, ISO14001:2015, ISO 45001:2018
  • Float Switch Stainless Steel Liquid Water Level for Chemical Tank Level Control
    US$ 130 / Set
    1 Set (MOQ)
  • Factory Sale Tuning Fork Level Sensor for Cement Pharmaceutical Feed Food Tank
    US$ 88 / Piece
    1 Piece (MOQ)
  • Conductive Level Switch Fork for Chemical Cement Pharmaceutical Feed Food Tank
    US$ 88 / Piece
    1 Piece (MOQ)
Manufacturer/Factory , Trading Company
Switchgear , Circuit Breaker , Recloser , Substation , Bushing
OEM, Own Brand
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
  • 15kv Single Phase Earthing Protection Auto Recloser
    US$ 3500 / Piece
    1 Piece (MOQ)
  • Overhead Automatic Circuit Recloser for Power Distribution 24kv 27kv
    US$ 6400 / Piece
    1 Piece (MOQ)
  • Permanet Magnetic Actuator Operation Mechanism for 15/27/38kv Circuit Breaker Recloser
    US$ 500 / Piece
    1 Piece (MOQ)
Manufacturer/Factory
Power Meter , Energy Meter , Motor Controller , Kwh Static Meter , Power Quality Analyzer
Own Brand
Zhuhai, Guangdong
  • Profibus Motor Protector / RS485 Motor Relay
    Negotiable
    2 Pieces (MOQ)
  • Motor Protection Circuit Breaker / Motor Protector
    Negotiable
    2 Pieces (MOQ)
  • Modbus Mcc Motor Controller / Motor Protection Relay (PMAC801)
    Negotiable
    2 Pieces (MOQ)

Zhejiang Hongyin Alloy Co., Ltd.

China Supplier - Gold MemberSince 2014

Suppliers with verified business licenses

4.0
Plant Area1000
Plant Area
Number of Employees35
Number of Employees
Manufacturer/Factory , Trading Company
Electrical Contact
ODM, OEM
ISO 9001, ISO 14001
  • Terminal
    US$ 0.01 / Piece
    1000 Pieces (MOQ)
  • AC Conductive Copper Contactor Cps Control Protection Switch Composite Silver Contact
    US$ 0.4 / Piece
    500 Pieces (MOQ)
  • Electrical Metal Contact Composite Contact Silver Contact
    US$ 0.02 / Piece
    5000 Pieces (MOQ)

Hebei Xukang Meter Manufacturing Co., Ltd.

China Supplier - Gold MemberSince 2013

Suppliers with verified business licenses

4.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
Level Gauge , Flow Meter , Relex Level Gauge , Sight Glass , Strainer and Filter
OEM, ODM, Own Brand
Response Time≤3h
  • IP65 Horizontal Installation Mini Liquid Water Oil Float Level Switch
    US$ 2.9 / Piece
    1 Piece (MOQ)
  • Overpressure Protection Device Safety Release Valve Relief Valve
    US$ 85 / Piece
    1 Piece (MOQ)
  • Ultrasonic Flow Meter Precision Ultrasonic Open Channel Flow Meter
    US$ 100 / Piece
    1 Piece (MOQ)

Quanzhou Machtric Automation Equipment Co., Ltd.

China Supplier - Gold MemberSince 2010

Suppliers with verified business licenses

4.0
Annual Revenue3.58 Mil
Annual Revenue
Plant Area144
Plant Area
Number of Employees9
Number of Employees
Trading Company
Frequency Inverter , Control Panel , HMI , Thyristor Power Controller
OEM, ODM
ISO 9000, ISO 14001, ISO 14000, OHSAS/ OHSMS 18001
  • 250A Intelligent Spc3 Three Phase SCR Power Controller
    US$ 600 / Piece
    1 Piece (MOQ)
  • 110V AC Drives Frequency Inverter with Ce
    US$ 75 / Piece
    1 Piece (MOQ)
  • 220V 50Hz to 60Hz Frequency Inverter
    US$ 75 / Piece
    1 Piece (MOQ)

Zhejiang Monro M&E Co., Ltd.

China Supplier - Diamond MemberSince 2021

Suppliers with verified business licenses

5.0
Annual Revenue16 Mil
Annual Revenue
Plant Area2000+
Plant Area
Number of Employees198
Number of Employees
Manufacturer/Factory , Trading Company
Pressure Control , Pressure Switch , Float Switch
Own Brand, ODM, OEM
ISO9001:2015
  • Water Pump Control Switch EPC-2 Adjustable Pressure R1 Connector Water Shortage Protection
    US$ 10.42 / Piece
    204 Pieces (MOQ)
  • Monro EPC-7 G1 1/2′ ′ Water Pump Control Switch 30A Anti-Burn Protection with Omron Relay
    US$ 20.6 / Piece
    600 Pieces (MOQ)
  • Monro EPC-2.1 Omron Relay Turkey Market Pump Controller Used for Water Supply Made in China
    US$ 11.2 / Piece
    204 Pieces (MOQ)

Wenzhou Zhechi Electric Co., Ltd.

China Supplier - Diamond MemberSince 2019

Suppliers with verified business licenses

5.0
Plant Area2000+
Plant Area
Manufacturer/Factory , Trading Company
Cable Gland , Cable Tie , Terminal Block , Termian , Power Cabinet
OEM, ODM
ISO 9001, ISO 9000
  • 1p/2p/3p/4p WiFi Smart Circuit Breaker 16A-125A Automatic Switch Overload Short Circuit Protection Work with Alexa Tuya APP
    US$ 10 / Piece
    1 Piece (MOQ)
  • Tuya Smart Alexa Google Ifttt Remote Controlled Intelligent Voice Control WiFi Smart Light Switch Breaker Remote
    US$ 10 / Piece
    1 Piece (MOQ)
  • Zigbee WiFi Controlled Wireless Enabled Smart Remote Residential Auto Recloser Circuit Breaker MCB Switch
    US$ 10 / Piece
    1 Piece (MOQ)

Guilin Sanhua Mechanical Electrical Automation Engineering Co., Ltd.

China Supplier - Diamond MemberSince 2022

Suppliers with verified business licenses

5.0
Plant Area2000
Plant Area
Manufacturer/Factory , Trading Company
Switchgear , Medium Voltage Switchgear , Low Voltage Switchgear , Power Plant Electrical System Design , Pressure Transmitter
OEM, ODM, Own Brand
ISO 9001, ISO 14064
  • Modicon X80 PLC Module Bmxamo0802, 8 Channels, Multi-Range (current) , High Speed, High Precision: 16 Bits
    US$ 1000 / Piece
    1 Piece (MOQ)
  • Modicon X80 PLC Bmxcps4002 Redundant AC Input Regulated Power Supply Module, 40W 110-220 VAC
    US$ 1000 / Piece
    1 Piece (MOQ)
  • TM221CE24r PLC for Modicon 064877 Module, Logic Controller, Modicon M221, 24 Io Relay Ethernet
    US$ 1000 / Piece
    1 Piece (MOQ)
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Category

Industrial Equipment & Components (1,178) Electrical & Electronics (1,173) Manufacturing & Processing Machinery (1,108) Instruments & Meters (618) Tools & Hardware (494) Auto, Motorcycle Parts & Accessories (457) Metallurgy, Mineral & Energy (307) Consumer Electronics (305) Construction & Decoration (297) Security & Protection (235) More

Business Type

Manufacturer/Factory (1,721) Trading Company (1,439) Group Corporation (73) Individuals/SOHO (6) Other (36)

Management Certification

ISO 9001 (1,167) ISO 14001 (594) ISO 9000 (330) ISO9001:2015 (329) ISO 14000 (181) OHSAS/ OHSMS 18001 (170) ISO14001:2015 (168) IATF16949 (152) ISO 20000 (152) Others (151) QC 080000 (116) ISO 14064 (102) GMP (98) BSCI (87) HSE (81) ISO 13485 (39) ISO45001:2016 (39) ASME (36) ANSI/ESD (35) ISO 10012 (30) ISO 29001 (26) ISO 22000 (26) ISO 50001 (26) ISO 17025 (23) FSC (22) SA 8000 (22) EICC (21) IFS (21) HACCP (20) QHSE (20) BRC (20) BS 25999-2 (20) QSR (19) ISO9001:2008 (18) GAP (18) PAS 28000 (17) SEDEX (17) HQE (16) LEED (15) AIB (14) WRAP (13) BREEAM (12) SHE Audits (12) OHSAS18001:2007 (11) ISO14001:2004 (5) More

Annual Revenue

<1 Million USD (898) 5 ~ 10 Million USD (31) 10 ~ 50 Million USD (31) 2.5 ~ 5 Million USD (27) 1 ~ 2.5 Million USD (16) 50 ~ 100 Million USD (14) >100 Million USD (13) More

No. of Employees

5-50 People (546) 51-200 People (277) 201-500 People (84) Less than 5 People (58) 501-1000 People (20) Above 1000 People (11) More

Province & Region

Guangdong (471) Zhejiang (439) Jiangsu (272) Shandong (242) Shanghai (122) Fujian (81) Henan (75) Hubei (70) Hebei (56) Anhui (43) Hunan (39) Shaanxi (25) Beijing (24) Sichuan (24) Liaoning (19) Chongqing (18) Tianjin (18) Jiangxi (11) Guangxi (3) Yunnan (2) Taiwan, China (2) Shanxi (1) Hainan (1) Hongkong S.A.R. (1) Gansu (1) Heilongjiang (1) Ningxia (1) Guizhou (1) Jilin (1) More