12,588 Protective Relay
results from370 suppliers
Digital Adjustable Three-Phase Over and Under Voltage Control Relay PTC Protection Relay
US$ 6.92-14.53 / Piece
Min. Order:100 Pieces
- Theory: Electromagnetic Relay
- Usage: Household Appliances Relay, Communication Relay
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 3
- Action Principle: Electronic Type
Ultra-Thin Safety Relay Unit Shock Resistance Voltage 4kv Safety Relay Models
US$ 105-112 / pieces
Min. Order:5 pieces
- Theory: Voltage Relay
- Usage: Protective
- Electricity Type: Ac
- Load: High Power Relay
- Protective Characteristics: Enclosed Rlay
- Action Principle: Electronic Type
Oasis Adgk-03 Relays Manufacturer Protective Relays Digital Display Voltage Control Relay
US$ 12.9-13.7 / Piece
Min. Order:1 Piece
- Theory: Digital Display Voltage Control Relay
- Usage: General Purpose
- Phase: 3
- Electricity Type: Ac
- Size: Miniature
- Name: Digital Display Voltage Control Relay
Best-Selling Arc Flash Protection Relay with Arc Flash Sensor and Arc Fault Detection Via RS485 Ethernet Connectivity
US$ 2000-7000 / Piece
Min. Order:1 Piece
- Theory: Solid State Relay
- Usage: Protective
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 3
- Load: Medium Power Relay
Supply Electric Transformer 250V Gas Relay Qj4-25 Qj3-40 Qj4-50 Qj4-80 Buchholz Relay for Transformer
US$ 13-15 / Piece
Min. Order:5 Pieces
- Theory: Solid State Relay
- Usage: Transformer Protective, Transformer
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 3
- Load: Medium Power Relay
Arc Flash Sensors Over Current Protection Relay with 48 Arc Flash Detection Interfaces
US$ 1000-3000 / Piece
Min. Order:1 Piece
- Theory: Solid State Relay
- Usage: Protective
- Phase: 3
- Electricity Type: AC & DC
- Number of Pole: 3
- Load: High Power Relay
60A 230V Adjustable Over Under Voltage Protective Protector Relay Protection, General Electric Voltage Protector Relays Jqx-58f-1z
US$ 2.82-4.607 / Piece
Min. Order:1 Piece
- Theory: Electromagnetic Relay
- Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay, Stabilizer
- Phase: 1
- Electricity Type: Dc
- Number of Pole: 1
- Load: High Power Relay
PNP Type Light Beam Devices Input Dual Channel Manual or Automatic Reset Safety Relay
US$ 95-102 / pieces
Min. Order:1 pieces
- Theory: Voltage Relay
- Usage: Protective
- Size: Miniature
- Type: Electric Parameter Relay
- Protect Feature: Sealed
- Contact Load: Low Power
Qj Series Buchholz Relay Manufacturers Qj19-80 Gas Relay for Transformer Solid State Relay
US$ 13-15 / Piece
Min. Order:5 Pieces
- Theory: Solid State Relay
- Usage: Transformer Protective, Transformer
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 3
- Load: Medium Power Relay
Reliable and Effective Earth Fault Vamp 321 Arc Flash Protection Device Relay for Arc Flash Hazards Mitigation
US$ 2000-7000 / Piece
Min. Order:1 Piece
- Theory: Solid State Relay
- Usage: Protective
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 3
- Load: Micro Power Relay
AC/DC 220V 3.6kv to 40.5kv Protective Relay with Switch Cabinet Surface
US$ 185-285 / Piece
Min. Order:5 Pieces
- After-sales Service: II
- Warranty: 2 Years
- Weighing: 3.6kv-40.5kv
- Accuracy: 0.18
- Display Type: LCD
- Display Digits: 8 digits
Dual LED Display 40A 63A 80A 220V 230V Adjustable Over & Under Voltage Current Protective Device Protector Relay
US$ 6-10 / Piece
Min. Order:1 Piece
- Operation: Electric Type
- Installation: Fixed
- Poles Number: 2
- Function: Overcurrent Protection, OVP(Overvoltage Protection)
- Certification: ISO9001-2000, CE, CCC
- Phase: Single Phase
Safety Relay for Sis System Controller with Utilisation Category 5A, Relay Output Redundant Circuit Design
US$ 95-102 / pieces
Min. Order:1 pieces
- Theory: Voltage Relay
- Usage: Protective
- Load: High Power Relay
- Size: Miniature
- Type: Electric Parameter Relay
- Protect Feature: Sealed
3 Phase Voltage Protection Relay Phase Sequence Control Relay Phase Failure Relay
US$ 6.92-14.53 / Piece
Min. Order:100 Pieces
- Theory: Electromagnetic Relay
- Usage: Household Appliances Relay, Communication Relay
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 3
- Action Principle: Electronic Type
Dinrail Mount Adjustable Over/Under Voltage Protector Protective Device 63A 230V Over Current Protection Relay
US$ 17-21 / Piece
Min. Order:1 Piece
- Operation: Electric Type
- Installation: Fixed
- Poles Number: 2
- Function: Overcurrent Protection, OVP(Overvoltage Protection)
- Certification: ISO9001-2000, CE, CCC
- Phase: Single Phase
1pin/2pin/3pin/4pin PTC Starter Refrigerator Compressor Start Relay Pl1
US$ 0.3-0.5 / Piece
Min. Order:200 Pieces
- Material: Plastic
- Usage: Commercial Refrigerator & Freezer
- Parts: Refrigerator Open Door Light Switch
- Application: Refrigerator and Freeze
- Model Number: Pl1
- Color: White
Safety Relay, Relay Module, Electrical Relay
US$ 95-102 / pieces
Min. Order:1 pieces
- Theory: Voltage Relay
- Size: Miniature
- Type: Electric Parameter Relay
- Port: Tianjin
- Trademark: Beijing Pinghe
- Origin: Beijing, China
3p 63A Dinrail 230V Adjustable Over Under Voltage Protector Protective Device Overload Protection Relay
US$ 6-8 / Piece
Min. Order:1 Piece
- Operation: Electric Type
- Installation: Fixed
- Poles Number: 3
- Function: OVP(Overvoltage Protection)
- Certification: ISO9001-2000, CE, CCC
- Phase: Single Phase
China Supplier Aoasis Afk-04 380V Phase Failure and Phase Sequence Protective Relay
US$ 4.8-5.1 / Piece
Min. Order:1 Piece
- Theory: Phase Protection Relays
- Usage: General Purpose
- Phase: 3
- Electricity Type: Ac
- Size: Miniature
- Place of Origin: Zhejiang
pH6104-2A2at (DC) Ultra-Thin Safety Relay Unit Shock Resistance Relay Voltage with 2 or 3 Poles
US$ 95-102 / pieces
Min. Order:5 pieces
- Theory: Voltage Relay
- Usage: Protective
- Electricity Type: Ac
- Load: High Power Relay
- Protective Characteristics: Enclosed Rlay
- Action Principle: Electronic Type
Electromechanical Motor Protective Relay With Overvoltage Monitoring,Undervoltage Monitoring
US$ 6.92-14.53 / Piece
Min. Order:100 Pieces
- Theory: Electromagnetic Relay
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 3
- Action Principle: Electronic Type
- Size: Miniature
Ap910p Under Current 3 Phase Arc Flash Protection Relays for LV Mv Switchgear
US$ 2000-7000 / Piece
Min. Order:1 Piece
- Theory: Solid State Relay
- Usage: Protective
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 3
- Load: Micro Power Relay
Aoasis Afkv-24f Protective Relays 380V Phase Failure Relay
US$ 4.8-5.1 / Piece
Min. Order:1 Piece
- Theory: Phase Protection Relays
- Usage: General Purpose
- Phase: 3
- Electricity Type: Ac
- Size: Miniature
- Name: Phase Protection Relays
Acrel Ard2 Smart Motor Protector Phase Failure Function Motor Protective Relays
US$ 84 / Piece
Min. Order:1 Piece
- Accuracy Active Energy: Class 0.5
- Frequency Range: 45-65Hz
- Auxiliary Power Supply: AC/DC 85~265V
- Pulse Output: 1600-160000imp/Kwh
- Voltage: Power Consumption: <0.5va
- Current: Power Consumption: < 0.5va
Single or Dual Channels Manual or Automatic Reset Short Circuit Monitoring Safety Relay
US$ 95-102 / pieces
Min. Order:1 pieces
- Theory: Voltage Relay
- Usage: Protective
- Size: Miniature
- Type: Electric Parameter Relay
- Protect Feature: Sealed
- Contact Load: Low Power
63A 230V DIN Rail Adjustable Over Voltage and Under Voltage Protective Device Protector Relay
US$ 10-13 / Piece
Min. Order:50 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: None
- Installation: Fixed
- Structure: MCB
120A Industrial Solid State Relay (HHG1A-1/032F-38 100-250A) (SSR)
Min. Order:50 Pieces
- Theory: Solid State Relay
- Usage: Household Appliances Relay, Communication Relay, Protective
- Phase: 1
- Electricity Type: Ac
- Number of Pole: 1
- Size: Miniature
40A 230V DIN Rail Automatic Recovery Reconnect Over Voltage Under Voltage Protective Device Protection Relay
US$ 2.39-2.49 / Piece
Min. Order:120 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
Electronic Generator Over and Under Current Protective Relay
US$ 14.92-19.52 / Piece
Min. Order:50 Pieces
- Theory: Electronic Motor Protective Relay
- Usage: Current Relay
- Phase: 3
- Electricity Type: Ac
- Protective Characteristics: Enclosed Rlay
- Size: Miniature
Acrel Asj10-Ld1a LED Display a Type AC Earth Leakage Residual Current Fault Protective Relay
US$ 112 / Piece
Min. Order:2 Pieces
- Application: Position Sensor
- Type: Current Transformer
- Phase: Single
- Operation Condition: Indoor
- Usage: Measurement
- Winding Form: Single Layer & Tightly Wound Type
Safety Light Curtain Relay Relay Contact New and Original PNP Type Safety Light Curtain Input, a Safety Relay with 2 No
US$ 95-102 / pieces
Min. Order:5 pieces
- Theory: Voltage Relay
- Usage: Protective
- Electricity Type: Ac
- Size: Miniature
- Type: Electric Parameter Relay
- Protect Feature: Sealed
Jr28 Square Lr2-D Thermal Overload Relay CE Thermal Overload Solid State Relay
US$ 2-3 / Piece
Min. Order:10 Pieces
- Electricity Type: AC
- Number of Pole: 3
- Phase: 3
- Main Circuit Rating Voltage: 690V
- Main Circuit Rating Current: 0.1A ~ 95A
- Type: Ac Contactors
Safety Solid State Relay Brand New Original Security Module Safety Output Contacts
US$ 95-102 / pieces
Min. Order:1 pieces
- Theory: Voltage Relay
- Usage: Protective
- Size: Miniature
- Type: Electric Parameter Relay
- Protect Feature: Sealed
- Contact Load: Low Power
Mk2p 8pin Industrial Protective Electromagnetic Mini General Purpose Power Relay
US$ 0.8 / Piece
Min. Order:3000 Pieces
- Theory: Electromagnetic Relay
- Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay
- Phase: 1
- Electricity Type: AC DC
- Number of Pole: 1
- Load: Medium Power Relay
Aoasis Adgk-01 Electronic Voltage Protection Relay Fixed Phase Asymmetry Over Under Digital Protective Relay
US$ 6.7-14 / Piece
Min. Order:1 Piece
- Theory: Digital Display Voltage Control Relay
- Usage: General Purpose
- Phase: 3
- Electricity Type: Ac
- Size: Miniature
- Place of Origin: Zhejiang, China
63A 230V DIN Rail Adjustable Over Under Voltage Protective Protector Relay Protection
US$ 4.5-15 / Piece
Min. Order:10 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: None
- Installation: Fixed
- Structure: MCB
Industrial Solid State Relay (HHG1A-1/032F-38 100-250A) (SSR)
Min. Order:50 Pieces
- Theory: Solid State Relay
- Usage: Household Appliances Relay, Communication Relay, Protective
- Phase: 1
- Electricity Type: Ac
- Number of Pole: 1
- Size: Miniature
Industrial Solid State Relay (HHG1-/032F-22\38 1-4A SSR-DA)
Min. Order:50 Pieces
- Theory: Solid State Relay
- Usage: Protective
- Phase: 1
- Number of Pole: 8
- Size: Miniature
- Model: Hhg1-1/032f-22\38 1-4A(SSR-Dd)
150A Industrial Solid State Relay (HHG1A-1/032F-38 100-250A) (SSR)
Min. Order:50 Pieces
- Theory: Solid State Relay
- Usage: Household Appliances Relay, Communication Relay, Protective
- Phase: 1
- Electricity Type: Ac
- Number of Pole: 1
- Size: Miniature
200A Industrial Solid State Relay (HHG1A-1/032F-38 100-250A) (SSR)
Min. Order:50 Pieces
- Theory: Solid State Relay
- Usage: Household Appliances Relay, Communication Relay, Protective
- Phase: 1
- Electricity Type: Ac
- Number of Pole: 1
- Size: Miniature
