12,589 Protective Relay
results from340 suppliers
Im902 Latching Keeping Holding Protect Over/Under Voltage Relay for Home Electronics Breaker
US$ 2.2 / Piece
Min. Order:1 Piece
- Theory: Electromagnetic Relay
- Usage: Household Appliances Relay, Lathe Relay, Meter, Overvoltage Protector, Industrial Control
- Phase: 1
- Electricity Type: Ac
- Number of Pole: 1
- Load: High Power Relay
Chinese Factory Electrical Secondary Protective and Measurement Relay Test Kit Relay Tester
US$ 9000-12000 / Piece
Min. Order:1 Piece
- Certification: ISO9001, CCC
- Protection: N/a
- Installation: Portable
- Housing: Aluminum
- Output: Max 120V/30A Per Phase
- Frequncy: DC--3000Hz
Acrel Asj10-Ld1a Rail Mounted Residual Current Operated Relay
US$ 112 / Piece
Min. Order:1 Piece
- Theory: Leakage Current Relay
- Usage: Leakage Current Relay
- Phase: 1
- Electricity Type: Ac
- Load: Micro Power Relay
- Protective Characteristics: Enclosed Rlay
2023 New 3 Phase Microcomputer Voltage Current Secondary Injection Relay
US$ 3999-4500 / Set
Min. Order:1 Set
- Theory: Electromagnetic Relay
- Usage: Relay tester
- Phase: 3
- Electricity Type: AC DC
- Number of Pole: 2
- Load: Medium Power Relay
Single Phase DC AC Voltage Relay Protector Relay
US$ 8.73-10.62 / Piece
Min. Order:10 Pieces
- Theory: Voltage Relay
- Usage: Communication Relay
- Phase: 1
- Electricity Type: AC/DC
- Number of Pole: 1
- Protective Characteristics: Enclosed Rlay
Oasis Adgk-04 380V Voltage Protection Relay Low Voltage Three-Phase Control Relay
US$ 13-13.9 / 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
Single DC AC Voltage Under Over Protection Relay
Min. Order:100 Pieces
- Theory: Voltage Relay
- Usage: Communication Relay
- Phase: 1
- Electricity Type: AC/DC
- Number of Pole: 1
- Load: Micro Power Relay
Aoasis Adgk-01 Dgk-01f Three Phase Motor Digital Display Voltage Control 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
Over-Voltage and Under-Voltage Relay DC12V
US$ 8.73-10.62 / Piece
Min. Order:100 Pieces
- Theory: Voltage Relay
- Usage: Communication Relay
- Phase: 1
- Electricity Type: AC/DC
- Number of Pole: 1
- Protective Characteristics: Enclosed Rlay
Wholesale Price Adjustable Under Over Voltage Protective Current Protect Device Protection 220V DIN Rail Volt 63 AMP Protector
US$ 3.8-4.95 / Piece
Min. Order:100 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
Aoasis Adgk-03 Single Phase Control Relay 400-460 V AC 0.1-10s Digital Display Electronic 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
Over-Volltage Under-Voltage Phase Failure Sequence Unbalance Relay
US$ 10.73-12.98 / Piece
Min. Order:100 Pieces
- Theory: Voltage Relay
- Usage: Communication Relay
- Phase: 3
- Electricity Type: Ac
- Load: Micro Power Relay
- Protective Characteristics: Enclosed Rlay
Three-Phase Universal Automatic Electric Protective Relay Test Set for Nari
US$ 8250-9200 / Piece
Min. Order:1 Piece
- Theory: Power Test Equipment
- Usage: Protection Relay Test
- Phase: 3
- Electricity Type: AC DC
- Number of Pole: 3
- Load: High Power Relay
Acrel Asj10L-Ld1a DIN Rail a Type Residual Earth Leakage Current Protection Relay 1 Circuit LCD Display 30mA-30A 2 Relay Output
US$ 114 / Piece
Min. Order:1 Piece
- Theory: Leakage Current Relay
- Usage: Leakage Current Relay
- Phase: 1
- Electricity Type: Ac
- Load: Micro Power Relay
- Protective Characteristics: Enclosed Rlay
Aoasis Adgk-01 220V Electronic Three-Phase Contro Motor Protection Relay Factory Direct Manufacturer
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
Residual Leakage Current Protection Relay 1 Circuit LCD Display 30mA-30A 2 Relay Output Asj10L-Ld1a
US$ 114 / Piece
Min. Order:1 Piece
- Theory: Leakage Current Relay
- Usage: Leakage Current Relay
- Phase: 1
- Electricity Type: Ac
- Load: Micro Power Relay
- Protective Characteristics: Enclosed Rlay
Phase Loss Protector Motor Relay 16A-80A
US$ 16.45-20.21 / Piece
Min. Order:10 Pieces
- Theory: Electromagnetic Relay
- Usage: Motor Control Applications
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 3
- Load: High Power Relay
Protective Relay Over Current and Over Voltage
US$ 600-2000 / Piece
Min. Order:1 Piece
- Theory: Thermal Relay
- Usage: Protective Relay
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 2
- Load: High Power Relay
High Standard Quality Aoasis Adgk-03 Digital Protection Relay 380V 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
Acrel CE 50 60Hz 30mA 3A Operating Current Asj10L-Ld1A/C Ground Fault Monitoring Relay
US$ 114 / Piece
Min. Order:1 Piece
- Theory: Leakage Current Relay
- Usage: Leakage Current Relay
- Phase: 1
- Electricity Type: Ac
- Load: Micro Power Relay
- Protective Characteristics: Enclosed Rlay
90A Protective Relay 1A/1b Electrical Relays
US$ 1.8-4.8 / Piece
Min. Order:50 Pieces
- Theory: Electromagnetic Relay
- Usage: General Purpose
- Protective Characteristics: Sealed Relay
- Action Principle: Electromagnetic Type
- Size: Miniature
- Type: Electronmagnetic Relay
Acrel Earth Leakage Current Relay Asj10L-Ld1a LCD Display CE Certificate Residual Current Operated Relay
US$ 114 / Piece
Min. Order:1 Piece
- Theory: Leakage Current Relay
- Usage: Leakage Current Relay
- Phase: 1
- Electricity Type: Ac
- Load: Micro Power Relay
- Protective Characteristics: Enclosed Rlay
PCB & Plug-in Mounting Methods Earth Fault Relay Assembly
Min. Order:1 Piece
- Theory: Electromagnetic Relay
- Usage: Household Appliances Relay, for Energy-Saving, Remote Control, Energy Meter
- Phase: 3
- Electricity Type: Dc
- Number of Pole: 3
- Load: High Power Relay
30A 15kw Motor Controller Protector Overload Relay
US$ 16.45-20.21 / Piece
Min. Order:10 Pieces
- Theory: Electromagnetic Relay
- Usage: Motor Control Applications
- Phase: 3
- Electricity Type: Ac
- Number of Pole: 3
- Load: High Power Relay
IVY-Brand 90A 12V Auto Relay Used in Smart Industry
US$ 2.5-3 / Piece
Min. Order:1 Piece
- Theory: Electromagnetic Relay
- Usage: Household Appliances Relay, for Energy-Saving, Remote Control, Energy Meter
- Phase: 1
- Electricity Type: Dc
- Number of Pole: 1
- Load: High Power Relay
European Standards 12V Anti-Magnetic Latching Relay for Industrial Controller
US$ 2.5-3 / Piece
Min. Order:1 Piece
- Theory: Electromagnetic Relay
- Usage: Household Appliances Relay, for Energy-Saving, Remote Control, Energy Meter
- Phase: 1
- Electricity Type: Dc
- Number of Pole: 1
- Load: High Power Relay
Input 30mA-30A Earth Leakage Current Protection Relay Solid State Relay Auto Low Power Miniature with Overcurrent Alarm
US$ 114 / Piece
Min. Order:1 Piece
- Theory: Leakage Current Relay
- Usage: Leakage Current Relay
- Phase: 1
- Electricity Type: Ac
- Load: Micro Power Relay
- Protective Characteristics: Enclosed Rlay
Acrel Residual Current Operated Relay for Monitoring Circuit Leakage Current
US$ 108 / Piece
Min. Order:1 Piece
- Theory: Electromagnetic Relay
- Usage: Leakage Monitoring
- Phase: 3
- Electricity Type: a
- Number of Pole: N/a
- Load: N/a
1.25A to 90A Overvoltage Protection Over Under Voltage Protector Surge Protection Device Power Latch Ovp Relay
US$ 2.2 / Piece
Min. Order:1 Piece
- Theory: Electromagnetic Relay
- Usage: Household Appliances Relay, Lathe Relay, Meter, Overvoltage Protector, Industrial Control
- Phase: 1
- Electricity Type: Ac
- Number of Pole: 1
- Load: High Power Relay
Oasis Agk-04 Under Voltage Protection Relay Phase Lost Phase Sequence Protection Relay
US$ 6.1-6.5 / Piece
Min. Order:1 Piece
- Theory: Voltage Control Relay
- Usage: General Purpose
- Phase: 3
- Electricity Type: Ac
- Size: Miniature
- Place of Origin: Zhejiang, China
Three Phase Sequence Over-Voltage and Under-Voltage Protection Relay
US$ 10.94-13.62 / Piece
Min. Order:100 Pieces
- Theory: Voltage Relay
- Usage: Communication Relay
- Phase: 1
- Electricity Type: Ac
- Load: Micro Power Relay
- Protective Characteristics: Enclosed Rlay
Aoasis Adgk-04 Digital Display Voltage Control Relay 0.1-10s 380V AC Electronic Voltage Protection Relay
US$ 13-13.9 / 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
AC220V Voltage Relay Under Voltage Over Voltage Protect
US$ 8.73-10.62 / Piece
Min. Order:100 Pieces
- Theory: Voltage Relay
- Usage: Communication Relay
- Phase: 1
- Electricity Type: AC/DC
- Number of Pole: 1
- Protective Characteristics: Enclosed Rlay
Test-630 Six Phase Universal Protection Device Relay Test Kit
US$ 3000-6500 / Piece
Min. Order:1 Piece
- Theory: Electromagnetic Relay
- Usage: Universal Protection Device Relay Test Kit
- Phase: Six
- Electricity Type: Vacuum
- Load: Medium Power Relay
- Protective Characteristics: Enclosed Rlay
Aoasis Agk-04 Phase Lost Phase Sequence Three Phase Unbalance Protection Relay AC380V 50/60Hz
US$ 6.1-6.5 / Piece
Min. Order:1 Piece
- Theory: Voltage Control Relay
- Usage: General Purpose
- Phase: 3
- Electricity Type: Ac
- Size: Miniature
- Place of Origin: Zhejiang, China
Rated Voltage AC 380V Electromechanical Overvoltage Relay and Under Voltage Protector
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
SSR-25da 3-32V DC to 24-480V AC SSR 60da Solid State Relay
US$ 2.18 / Piece
Min. Order:1 Piece
- Theory: Solid State Relay
- Usage: Protective
- Phase: 1
- Electricity Type: Dc
- Number of Pole: 1
- Load: High Power Relay
Acrel Earth Leakage Current Relay Asj10L-Ld1a LCD Display CE Certificate Ground Fault Relay
US$ 114 / Piece
Min. Order:1 Piece
- Theory: Leakage Current Relay
- Usage: Leakage Current Relay
- Phase: 1
- Electricity Type: Ac
- Load: Micro Power Relay
- Protective Characteristics: Enclosed Rlay
220V DC Contactor Relay CZ0-100/20 for Machine Tool and Electrical Control Equipment
US$ 32 / Piece
Min. Order:10 Pieces
- Theory: Voltage Relay
- Usage: Protective
- Electricity Type: Dc
- Load: Weak Power Relay
- Protective Characteristics: Protective
- Size: Miniature
Simple Structure SSR-Da 10A Single Phase Solid State Pressure Relay
US$ 1.65-2 / Piece
Min. Order:10 Pieces
- Theory: Solid State Relay
- Usage: Protective, SSR
- Load: Weak Power Relay
- Size: Miniature
- Frequency: 50/60Hz
- Ambient Temperature: -10ºC~+55ºC
