Home Electrical & Electronics Voltage Regulator Power Protection Relay 2017 Product List
Total 18,834 products from about 697

 Power Protection Relay manufacturers & suppliers

Overcurrent Protection Protects Electrical Power Systems Against Excessive Currents Relay

FOB Price: $115.14 - $120.12 / Piece
Min. Order: 10 Pieces
  • Type: Overcurrent Protection Relay
  • Size: 165*142mm
  • Action Principle: Electronic Type
  • Protective Characteristics: Open Relay
  • Load: Earth Fault Relay
  • Electricity Type: Ac

Overcurrent Relays Are Used for Phase and Ground Overcurrent Protection in Utility, ...

FOB Price: $115 - $130 / Piece
Min. Order: 10 Pieces
  • Type: Electric Parameter Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Enclosed Rlay
  • Load: High Power Relay
  • Number of Pole: 8

Power System Overcurrent Protection Relay

FOB Price: $115.14 - $120.12 / Piece
Min. Order: 10 Pieces
  • Type: Overcurrent Protection Relay
  • Size: 165*142mm
  • Action Principle: Electronic Type
  • Protective Characteristics: Open Relay
  • Load: Earth Fault Relay
  • Electricity Type: Ac

DC12V 24V 36V 48V Over Under Voltage Electronic Protection Relay

FOB Price: $9.7 - $11.53 / Piece
Min. Order: 50 Pieces
  • Type: Electric Parameter Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Enclosed Rlay
  • Load: Micro Power Relay
  • Number of Pole: 1

Raixin Lr2-D13X6 Thermal Relay Protection Relays

Min. Order: 50 Pieces
  • Type: Electric Parameter Relay
  • Size: Miniature
  • Action Principle: Electromagnetic Type
  • Protective Characteristics: Sealed Relay
  • Load: Weak Power Relay
  • Number of Pole: 3

13A Thermal Overload Relay with CB, Ce, S Approvals

FOB Price: $2.7 - $3.3 / Piece
Min. Order: 100 Pieces
  • Type: Non-Electric Parameter Relay
  • Size: Subminiature
  • Action Principle: Electromagnetic Type
  • Protective Characteristics: Open Relay
  • Load: Medium Power Relay
  • Number of Pole: 3

Timing Counting Function Voltage Relay Phase Sequence Protection

FOB Price: $16.45 - $18.21 / Piece
Min. Order: 100 Pieces
  • Type: Voltage Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Enclosed Rlay
  • Load: Micro Power Relay
  • Electricity Type: Ac

Al12 Digital Protection Industrial Delay Electromagnetic Relay with CE

FOB Price: $1.3 - $2.8 / Piece
Min. Order: 10 Pieces
  • Type: Electric Parameter Relay
  • Size: Miniature
  • Number of Pole: 1
  • Electricity Type: AC DC
  • Phase: 1
  • Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay

IEC Ce and RoHS Approvals 0.1~630A Thermal Overload Relay

FOB Price: $59 - $66 / Piece
Min. Order: 60 Pieces
  • Type: Electric Parameter Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Open Relay
  • Load: Medium Power Relay
  • Number of Pole: 3

Household AC220V Self-Resetting Over Voltage and Under Voltage Protection Relay

FOB Price: $7.76 - $8.96 / Piece
Min. Order: 100 Pieces
  • Type: Electric Parameter Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Enclosed Rlay
  • Load: Micro Power Relay
  • Phase: 1

Industrial Delay Turn off Digital Protection Electromagnetic Relay with CE

FOB Price: $1.3 - $2.8 / Piece
Min. Order: 10 Pieces
  • Type: Electric Parameter Relay
  • Size: Miniature
  • Number of Pole: 1
  • Electricity Type: AC DC
  • Phase: 1
  • Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay

3phase Voltage Relay Phase Sequence Failure Load Protection Relay

FOB Price: $11.56 - $13.62 / Piece
Min. Order: 100 Pieces
  • Type: Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Enclosed Rlay
  • Load: Micro Power Relay
  • Electricity Type: Ac

Three Phase Sequence Over-Voltage and Under-Voltage Protection Relay

FOB Price: $10.94 - $13.62 / Piece
Min. Order: 100 Pieces
  • Type: Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Enclosed Rlay
  • Load: Micro Power Relay
  • Electricity Type: Ac

Electric Solid State Relay, Auto Protection Relay

Min. Order: 200 Pieces
  • Type: AC&DC
  • Size: Miniature
  • Protective Characteristics: Sealed Relay
  • Load: Medium Power Relay
  • Theory: Solid State Relay
  • Model: Zg3n Series

Multi-Set Contact and Multi Rated Voltage Optional Relay

FOB Price: $11.56 - $12.98 / Piece
Min. Order: 100 Pieces
  • Type: Electric Parameter Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Sealed Relay
  • Load: Micro Power Relay
  • Number of Pole: 1

LCD Display Voltage Relay Phase Failure Phase Sequence Protection Relay

FOB Price: $16.45 - $18.21 / Piece
Min. Order: 100 Pieces
  • Type: Voltage Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Enclosed Rlay
  • Load: Micro Power Relay
  • Electricity Type: Ac

Single DC AC Voltage Under Over Protection Relay

Min. Order: 100 Pieces
  • Type: Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Enclosed Rlay
  • Load: Micro Power Relay
  • Number of Pole: 1

Unbanlance Protection Voltage Relay Over-Voltage Under-Voltage Relay

FOB Price: $16.45 - $18.21 / Piece
Min. Order: 100 Pieces
  • Type: Voltage Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Enclosed Rlay
  • Load: Micro Power Relay
  • Electricity Type: Ac

LCD Display N-Phase Failure Protection Relay

FOB Price: $16.45 - $18.21 / Piece
Min. Order: 100 Pieces
  • Type: Voltage Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Protective Characteristics: Enclosed Rlay
  • Load: Micro Power Relay
  • Electricity Type: Ac

Power Automatic Recloser

FOB Price: $400 - $500 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Energy-storage Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Installation: Fixed
  • Structure: ACB

Power Transmission Automatic Recloser

FOB Price: $400 - $500 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Energy-storage Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Installation: Fixed
  • Structure: ACB

Digital Protection Relay for Power Systems

FOB Price: US $900 / pc
Min. Order: 1 pc
  • Type: Electric Parameter Relay
  • Size: Miniature
  • Action Principle: Numeric Type
  • Protective Characteristics: Sealed Relay
  • Load: High Power Relay
  • Number of Pole: 2
  • Changsha Guotong Electrical Technology Co., ...
  • Hunan, China
  • ISO 9001, ISO 9000
  • Contact Supplier

Power Transformer Protection Relay in Substation Plant

FOB Price: $800 - $2000 / Piece
Min. Order: 1 Piece
  • Type: Electric Parameter Relay
  • Size: 263X255X181mm
  • Action Principle: Numeric Type
  • Protective Characteristics: Sealed Relay
  • Load: High Power Relay
  • Number of Pole: 2
  • Changsha Guotong Electrical Technology Co., ...
  • Hunan, China
  • ISO 9001, ISO 9000
  • Contact Supplier

Digital Voltage Protection Relay

FOB Price: US $9 / Piece
Min. Order: 200 Pieces
  • Type: Electric Parameter Relay
  • Size: Miniature
  • Action Principle: Electronic Type
  • Load: Micro Power Relay
  • Number of Pole: 4
  • Electricity Type: Ac

Over Current Motor Protection Relay for Switchgear

FOB Price: $500 - $2000 / Piece
Min. Order: 1 Piece
  • Type: Electric Parameter Relay
  • Size: 263X255X181mm
  • Action Principle: Numeric Type
  • Protective Characteristics: Sealed Relay
  • Load: Micro Power Relay
  • Number of Pole: 3
  • Changsha Guotong Electrical Technology Co., Ltd
  • Hunan, China
  • ISO 9001
  • Contact Supplier

Jkl Jkl5CF Series Steel Case Intelligent Reactive Power Autocompensation Controller Relay ...

FOB Price: US $1 / Piece
Min. Order: 1 Piece
  • Task: Program
  • Structure: Combination
  • Signal: Continuous
  • Function: Automatic Control, Protection, Monitoring, Measurement
  • Certification: CCC, ISO: 9001, CE
  • Condition: New

Reactive Power Compensation Controller Relay Rpcf

FOB Price: US $47.5 / Piece
Min. Order: 5 Pieces
  • Task: Adjust
  • Structure: Closed-Loop
  • Mathematical Model: Linear
  • Function: Protection
  • Certification: CCC, ISO: 9001
  • Condition: New
  • Wenzhou Homor International Trade Co., Ltd.
  • Zhejiang, China
  • ISO 9001
  • Contact Supplier

Digital Electric Transformer Protection Relay with IEC60870

FOB Price: $500 - $2000 / Piece
Min. Order: 1 Piece
  • Type: Electric Parameter Relay
  • Size: 263X255X181mm
  • Action Principle: Numeric Type
  • Protective Characteristics: Sealed Relay
  • Load: Micro Power Relay
  • Number of Pole: 3
  • Changsha Guotong Electrical Technology Co., Ltd
  • Hunan, China
  • ISO 9001
  • Contact Supplier

LCD Display Digital Motor Relay Protection with RS485 Output

FOB Price: $500 - $2000 / Piece
Min. Order: 1 Piece
  • Type: Electric Parameter Relay
  • Size: 263X255X181mm
  • Action Principle: Numeric Type
  • Protective Characteristics: Sealed Relay
  • Load: Micro Power Relay
  • Number of Pole: 3
  • Changsha Guotong Electrical Technology Co., Ltd
  • Hunan, China
  • ISO 9001
  • Contact Supplier

Whole Sales Automatic Under Voltage Protection Relay

FOB Price: $5.5 - $6.5 / Piece
Min. Order: 1 Piece
  • Current Type: AC
  • Phase: Three Phase
  • Frequency Characteristics: Low Frequency
  • Usage: SVC, DBW, JIW
  • Frequency: Low Frequency
  • Size: Medium
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