Protection Relay

119,759 Protection Relay

results from

9,979 suppliers

Price: -
Min. Order under: Unit(s)
Supplier type:

Feeder Protection and Control Ref615/ Small Comprehensive Protection Relay/Hbfaabaandc1bna11g Relay Protection

US$ 9998-12142 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Remote Monitoring and Control Relay
  • Usage: Communication Relay, Protection Relay, Supervision Relay
  • Phase: 3
  • Electricity Type: AC\DC
  • Load: High Power Relay
  • Protective Characteristics: Sealed Relay

China Factory Price Microcomputer Digital Transformer Protection Relay Tester 3 Phase

US$ 3000-5000 / Set

Min. Order:1 Set

Click here to send inquiry

  • Packing: Wooden Box
  • Standard: 428mm*350mm*230mm
  • Port: Shenzhen
  • Production Capacity: 2000/Year
  • Trademark: XZH TEST
  • Origin: China

Acrel Ard3m Low Voltage Three-Phase Motor Control Protection Relay with Profinet Modbus-TCP

US$ 215.4-646.2 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Task: Adjust
  • Structure: Open-Loop
  • Mathematical Model: Linear
  • Signal: Continuous
  • Function: Automatic Control, Protection, Monitoring, Measurement
  • Certification: RoHS, CCC, CE

Economical Relay Protection Test Set with 3-Phase Current and 4-Phase Voltage Output

US$ 1800-2500 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Output: Max 120V/30A Per Phase
  • Frequncy: DC--3000Hz
  • AC Accuracy: 0.2%
  • Resolution: 4 Ma
  • Digital Input: 10 *10-250VDC or Free Contact
  • Digital Output: 8*AC(0.5A, 250V) / 8 * DC(0.5A, 60V)

Electric Digital Overcurrent Overvoltage Phase Failure Thermal Overload 3 Phase Motor Protection Relay

US$ 100-180 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Household Appliances Relay, Communication Relay, Lathe Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 2
  • Load: Medium Power Relay

Azj200s 12V 200A Used in Engineering Van or Leisure Vehicles Protection Relay & Auto Relay

US$ 21 / pieces

Min. Order:5 pieces

Click here to send inquiry

  • Electricity Type: DC
  • Number of Pole: 1
  • Phase: 1
  • Main Circuit Rating Voltage: 12V 24V 36V 48V
  • Main Circuit Rating Current: 200A
  • Quality Standard: ISO9001

Phase Sequence Protection Auto Recovery Voltage Protective Device DC Relay 12V

US$ 14.03-17.27 / Piece

Min. Order:50 Pieces

Click here to send inquiry

  • Theory: Voltage Relay
  • Usage: Voltage Monitoring
  • Phase: 1/3
  • Electricity Type: AC/DC
  • Number of Pole: 2
  • Load: Low Voltage

Busbar Feeder Protection Relay Arc Flash Relay for Voltage and Medium-Voltage Switchgear

US$ 1000-3500 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Household Appliances Relay, Communication Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 3
  • Load: Medium Power Relay

High Standard Quality Aoasis Adfk-05 Adfk-05f Digital Phase Protection Relays Relay Manufacturer

US$ 11.5-13 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Time Relay
  • Usage: General Purpose
  • Phase: 3
  • Electricity Type: Ac
  • Size: Miniature
  • Place of Origin: Zhejiang

Power Relays Jqx 100A 250VAC 220V Spst Spdt Agsno2 Mini Relay Stable Performance Jqx-62 Failure Protection Relay

US$ 2.967-4.807 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Lathe Relay, Stabilizer
  • Phase: 1
  • Electricity Type: Dc
  • Number of Pole: 1
  • Load: High Power Relay

Elecnova Protector Motor Wdh-31-200 Smart Motor Protection Relay with RS485

US$ 80-150 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Structure: Combination
  • Signal: Continuous
  • Certification: CCC, CE, UL
  • Condition: New
  • Customized: Customized
  • Port: Shanghai

Industrial Delay Turn off Digital Protection Electromagnetic Relay with CE

US$ 1.3-2.8 / Piece

Min. Order:10 Pieces

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay
  • Phase: 1
  • Electricity Type: AC DC
  • Number of Pole: 1
  • Size: Miniature

100-160 0.25-0.35 Overload Protector Electrical Protection Thermal Relay Hot Sale

US$ 1.25-1.4 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Thermal Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 3
  • Load: Medium Power Relay
  • Type: Electric Parameter Relay

CNC Jr28s 1A-630A 3p AC Contactor Thermal Protection Overload Relay

US$ 2.46-2.53 / Piece

Min. Order:100 Pieces

Click here to send inquiry

  • Theory: Thermal Relay
  • Usage: Household Appliances Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 4
  • Load: Weak Power Relay

Xj Series 3 Phase Sequence Over Voltage Protection Monitor Relay

US$ 0.1-3.95 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Car Relay, Household Appliances Relay, Lathe Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 1
  • Load: High Power Relay

Acrel Ard2f-25/L+90L 3 Phase Intelligent Motor Leakage Current Overload Protector Motor Protection Relay

US$ 99.4 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Signal: Continuous
  • Function: Protection
  • Certification: CE
  • Condition: Used
  • Customized: Non-Customized
  • Product Name: Smart Motor Protector

1A 125VAC 2A 30VDC Relay with UL Electrical Protection Automation Communication

US$ 0.2-0.3 / Piece

Min. Order:10 Pieces

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Household Appliances Relay, Communication Relay, Lathe Relay
  • Electricity Type: Dc
  • Load: Micro Power Relay
  • Protective Characteristics: Sealed Relay
  • Action Principle: Electromagnetic Type

Jr28 (LR2) Thermal Overload Relay with Overcurrent Protection

US$ 2 / Piece

Min. Order:100 Pieces

Click here to send inquiry

  • Theory: Thermal Relay
  • Usage: Household Appliances Relay
  • Phase: 1
  • Electricity Type: Ac
  • Number of Pole: 3
  • Load: Medium Power Relay

Lrv8-03 Type 3 Phase Monitoring Voltage Relay, Industrial Control Phase Sequence and Phase Failure Protection Relay, 3 Phase Monitoring Voltage Relay

US$ 5.25-5.35 / Piece

Min. Order:100 Pieces

Click here to send inquiry

  • Type: Voltage Relay
  • Usage: Phase Sequence and Phase Failure Protection
  • Function: Addition Counter, Phase Protection
  • Theory: Electronic
  • Carry Mode: Asynchronous Counter
  • Carry Base: Binary Counter

Rkm2co524L Industrial Control Multifunctional Overcurrent Protection Relay General Purpose Ralay

US$ 1-10 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Car Relay, Household Appliances Relay, Industrial Controls
  • Phase: 1
  • Electricity Type: Ac
  • Number of Pole: 1
  • Load: High Power Relay

PC-Svb1000va Voltage Stabilizer Relay Control LED Display Power Protection

US$ 18.35 / Piece

Min. Order:10 Pieces

Click here to send inquiry

  • Current Type: AC
  • Phase: Single Phase
  • Frequency Characteristics: Intermediate Frequency
  • Usage: Triac
  • Frequency: Intermediate Frequency
  • Size: Medium

Motor Protection Relay 24V 380V Jzc4 Series Relay Contactor 220V 10A Safety Relays

US$ 9.21-11.66 / Piece

Min. Order:10 Pieces

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Welding Electrician
  • Phase: 3
  • Electricity Type: AC DC
  • Number of Pole: 3
  • Load: Weak Power Relay

250V High Voltage Protection Magnetic Latching Relay

US$ 2-4 / Piece

Min. Order:200 Pieces

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Latching Relay
  • Phase: 2
  • Action Principle: Electromagnetic Type
  • Size: 38.5*33*17.2
  • Protect Feature: Sealed

90-260VAC Electronic Digital Overload Overcurrent Phase Loss Protection Relay with Trip Indication LED

US$ 5-8.1 / Piece

Min. Order:5 Pieces

Click here to send inquiry

  • Theory: Current Relay
  • Usage: Motor Control Applications
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 3
  • Load: Medium Power Relay

Acrel Am5se-F Medium Voltage Line Protection Relay with Measuring and Control Function Used in 35kv System Network

US$ 777 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: 35kv Substation
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 8
  • Load: Medium Power Relay

Lrn355n Schneid Thermal Overload Relay Overcurrent Protection Lrn10n 4-6A Replaces Lre and Adapts to LC1n Three-Phase 380V

US$ 100-500 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Task: Adjust
  • Structure: Combination
  • Mathematical Model: Linear
  • Signal: Continuous
  • Function: Automatic Control
  • Condition: New

High Quality Wjr36 Thermal Overload Circuit Breaker Protection Relay

US$ 1.95-7.85 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Thermal Relay
  • Usage: Communication Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 3
  • Load: Overload Realy

Free Sample Lrd Thermal Overload Relay Motor Protection

US$ 10-20 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Usage: Thermal Relay
  • Phase: 3
  • Electricity Type: Dc
  • Number of Pole: 3
  • Load: Weak Power Relay
  • Protective Characteristics: Sealed Relay

230V Over and Under Voltage Current Protector Relay Protection 80A Three Phase

US$ 2-5 / Piece

Min. Order:100 Pieces

Click here to send inquiry

  • Current Type: AC
  • Phase: Single Phase
  • Frequency Characteristics: Low Frequency
  • Usage: SVC, JIW
  • Frequency: 50/60Hz
  • Size: Small

2 Channel Relay Module 2-Way Relay Expansion Board 5V with Optocoupler Isolation Protection MCU Development Board

US$ 0.5-1 / Piece

Min. Order:2 Pieces

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Household Appliances Relay
  • Phase: 1
  • Electricity Type: Ac
  • Number of Pole: 1
  • Load: High Power Relay

Test-330 Three Phase Relay Protection Microcomputer Test System

US$ 3000-6500 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Relay Protection Microcomputer Test System
  • Phase: 3
  • Electricity Type: Vacuum
  • Load: Medium Power Relay
  • Protective Characteristics: Enclosed Rlay

SSR Relay Finder Relay Overload Relay Power System Protection Relay

US$ 5.42 / Piece

Min. Order:500 Pieces

Click here to send inquiry

  • After-sales Service: Service
  • Warranty: Xxx, 1 Year
  • Type: Relay, Parts
  • Certification: TUV, GS, Xxx
  • OEM: 179067-705
  • Working Voltage: 12V/24V

Chinese Current DC Relay Overcurrent Protection Jl14-11z J Zs Js Jg 11zq 200A for Scm Use

US$ 100 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Task: Following
  • Structure: Combination
  • Mathematical Model: Linear
  • Signal: Continuous
  • Function: Automatic Control
  • Condition: New

Sequence Protection 400V Geya Voltage Balance Phase Failure Relay 3

US$ 7.62-9.37 / Piece

Min. Order:50 Pieces

Click here to send inquiry

  • Theory: Voltage Relay
  • Usage: Voltage Monitoring
  • Phase: 1/3
  • Electricity Type: AC/DC
  • Number of Pole: 2
  • Load: Low Voltage

Lrd Series Overload Protection Electromechanical Thermal Relay

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Thermal Relay
  • Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 3
  • Load: High Power Relay

Wholesale Electrical Refrigerator Compressor Protection Overload 12V Solid Start Relay

US$ 0.26-0.32 / Piece

Min. Order:300 Pieces

Click here to send inquiry

  • Theory: Electromagnetic Relay
  • Usage: Household Appliances Relay
  • Phase: 1
  • Electricity Type: Ac
  • Number of Pole: 1
  • Load: Low Power Relay

Siron Y449-D 32-Way Relay Output Module Output Amplifier Board PLC Relay Control Module, Output Protection

US$ 115.93 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Voltage Relay
  • Usage: Communication Relay, Output Relay/Input Relay
  • Electricity Type: AC/DC
  • Load: High Power Relay
  • Protective Characteristics: Sealed Relay
  • Size: Miniature

Ges 2000 Medium Voltage Digital Protection Relay for 35kv Substation

US$ 210 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Theory: Voltage Relay
  • Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay
  • Phase: 3
  • Electricity Type: Dc
  • Number of Pole: 3
  • Load: Medium Power Relay

Genuine Delixi Jrs1d Thermal Relay Motor Overload Protection Relay

Min. Order:1 Piece

Click here to send inquiry

  • Packing: Boxes
  • Standard: 1-10kg
  • Port: Shenzhen
  • Production Capacity: 50000PCS/Year
  • Origin: Taiwan China
  • HS Code: 8481201000

Wholesale Electrical Refrigerator Compressor Protection Overload 12V Solid Start Relay

US$ 0.1-4 / Piece

Min. Order:5000 Pieces

Click here to send inquiry

  • Material: Stainless Steel
  • Usage: Home Refrigerator & Freezer
  • Parts: Evaporator
  • Packing: Export Standard Packing
  • Standard: plastic
  • Port: Ningbo
1 2 3 4 5 6 7 8 ... 20