Home Electrical & Electronics Voltage Regulator Power System Protection Relay 2017 Product List
Total 12,927 products from about 615

 Power System 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
  • Theory: Overcurrent Relay
  • Usage: Protection Relay
  • Phase: 3
  • Electricity Type: Ac
  • Load: Earth Fault Relay
  • Protective Characteristics: Open Relay

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

FOB Price: $115 - $130 / Piece
Min. Order: 10 Pieces
  • Theory: Thermal Relay
  • Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay
  • Phase: 3
  • Electricity Type: AC/DC
  • Number of Pole: 8
  • Load: High Power Relay

Power System Overcurrent Protection Relay

FOB Price: $115.14 - $120.12 / Piece
Min. Order: 10 Pieces
  • Theory: Overcurrent Relay
  • Usage: Protection Relay
  • Phase: 3
  • Electricity Type: Ac
  • Load: Earth Fault Relay
  • Protective Characteristics: Open Relay

Multi-Set Contact and Multi Rated Voltage Optional Relay

FOB Price: $11.56 - $12.98 / Piece
Min. Order: 100 Pieces
  • Theory: Contact Expansion
  • Usage: Used in Relay Protection and Auto-Control Systems
  • Phase: 1
  • Electricity Type: Ac
  • Number of Pole: 1
  • Load: Micro Power Relay

Test-330 Three Phase Relay Protection Microcomputer Test System

FOB Price: $3000 - $6500 / Piece
Min. Order: 1 Piece
  • Theory: Electromagnetic Relay
  • Usage: Relay Protection Microcomputer Test System
  • Phase: 3
  • Electricity Type: Vacuum
  • Load: Medium Power Relay
  • Protective Characteristics: Enclosed Rlay

Digital Protection Relay for Power Systems

FOB Price: US $900 / pc
Min. Order: 1 pc
  • Theory: Numerical Relay
  • Usage: Protection Relay
  • Phase: 3
  • Electricity Type: Dc
  • Number of Pole: 2
  • Load: High Power Relay
  • Changsha Guotong Electrical Technology Co., ...
  • Hunan, China
  • ISO 9001, ISO 9000
  • Contact Supplier

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

Zhrv1-08, 14 Phase Sequence, Overvoltage & Undervoltage Protection Relay

FOB Price: $1 - $10 / Piece
Min. Order: 1 Piece
  • Theory: Voltage Relay
  • Usage: Household Appliances Relay, Communication Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 4
  • Load: Medium Power Relay

Zhrv2-10, 04 Phase Sequence, Over-Voltage & Under-Voltage Protection Relay

FOB Price: $1 - $10 / Piece
Min. Order: 1 Piece
  • Theory: Voltage Relay
  • Usage: Household Appliances Relay, Communication Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 4
  • Load: Medium Power Relay

LCD Display Zhrv2-S Phase Sequence, Overvoltage & Undervoltage Protection Relay

FOB Price: $1 - $10 / Piece
Min. Order: 1 Piece
  • Theory: Voltage Relay
  • Usage: Household Appliances Relay, Communication Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 4
  • Load: Medium Power Relay

Zhrv2-45 Phase Sequence, Overvoltage & Undervoltage Protection Relay

FOB Price: $1 - $10 / Piece
Min. Order: 1 Piece
  • Theory: Voltage Relay
  • Usage: Household Appliances Relay, Communication Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 4
  • Load: Medium Power Relay

Zhrv3 Phase, Overvoltage & Undervoltage Protection Relay

FOB Price: $1 - $10 / Piece
Min. Order: 1 Piece
  • Theory: Voltage Relay
  • Usage: Household Appliances Relay, Communication Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 4
  • Load: Medium Power Relay

Zhrv5-01, 02 Phase Sequence, Overvoltage & Undervoltage Protection Relay

FOB Price: $1 - $10 / Piece
Min. Order: 1 Piece
  • Theory: Voltage Relay
  • Usage: Household Appliances Relay, Communication Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 4
  • Load: Medium Power Relay

Zhrv5-03~12 Phase Sequence, Overvoltage & Undervoltage Protection Relay

FOB Price: $1 - $10 / Piece
Min. Order: 1 Piece
  • Theory: Voltage Relay
  • Usage: Household Appliances Relay, Communication Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 4
  • Load: Medium Power Relay

Distribution System Protection Circuit Recloser

Min. Order: 1 Piece
  • Type: Switch Cabinet
  • Working Ambient Temperature: -50 ~ +50
  • Creepage Distance: >31 mm/Kv
  • Ice-Coverage Thickness: <10 mm
  • Wind Speed: <35 M/S
  • Packing: Standard Export Wood Case

Distribution System Protection Energy Saving Circuit Recloser

Min. Order: 1 Piece
  • Type: Switch Cabinet
  • Working Ambient Temperature: -50-+70
  • Creepage Distance: >31mm/Kv
  • Ice-Coverage Thickness: <10mm
  • Wind Speed: <35m/S
  • Packing: Wood

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

Overcurrent Protection Protects Electrical Power Systems Against Excessive Currents

FOB Price: $115 - $130 / Piece
Min. Order: 10 Pieces
  • Theory: Thermal Relay
  • Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay
  • Phase: 3
  • Electricity Type: AC/DC
  • Number of Pole: 8
  • Load: High Power Relay

Programmable Relay for Intelligent Control (PR-18AC-R-HMI)

FOB Price: $80 - $87 / Piece
Min. Order: 1 Piece
  • Task: Program
  • Structure: Open-Loop
  • Function: Automatic Control
  • Certification: RoHS, ISO: 9001, SGS, CE
  • Condition: Used
  • Customized: Customized

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

Nfin RCD Residual Current Device, Circuit Breaker, Switch, Contactor, Relay

FOB Price: $3.77 - $3.87 / Piece
Min. Order: 100 Pieces
  • Phase: 2
  • Electricity Type: Dc
  • Number of Pole: 2
  • Load: Medium Power Relay
  • Protective Characteristics: Enclosed Rlay
  • Action Principle: Electromagnetic Type

Programmable Logic Controller Af-20mr-E, Mini PLC, Smart Relay

Min. Order: 1 Piece
  • Task: Program
  • Structure: Combination
  • Mathematical Model: Non-Linear
  • Signal: Continuous
  • Function: Automatic Control
  • Certification: RoHS, CCC, ISO: 9001, CE

Single Phase AC/DC Voltage Monitoring Relay

Min. Order: 100 Pieces
  • Size: Miniature
  • Theory: Voltage Relay
  • Type: Relay
  • Usage: Communication Relay
  • Electricity Type: AC/DC
  • Phase: 1

Jqx-15f (T90) Type of Power Relay

Min. Order: 100 Pieces
  • Theory: Thermal Relay
  • Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay
  • Phase: 3
  • Electricity Type: Ac
  • Load: Medium Power Relay
  • Protective Characteristics: Enclosed Rlay

Power Relay Wide Amper Thermal Overload Relay

FOB Price: US $2.5 / Piece
Min. Order: 1000 Pieces
  • Theory: Thermal Relay
  • Usage: Thermal Overload Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 3
  • Load: Medium Power Relay

220volts Wireless Remote Control Relay

FOB Price: US $0.1 / Piece
Min. Order: 1 Piece
  • Application: Industrial Machinery
  • Signal Transmission: Radio Waves
  • Certification: ISO9001, FCC, CE
  • Universal: Not Universal
  • Transmission Distance: 50-100m
  • Voltage: Optional

58.02 Relay Type General Purpose Relay Automatic Voltage Regulator Electromagnetic Relay ...

FOB Price: $0.86 - $20 / Piece
Min. Order: 50 Pieces
  • Number of Pole: 2
  • Size: Miniature
  • Theory: Electromagnetic Relay
  • Type: 58.02
  • Usage: Electromagnetic Relay
  • Electricity Type: AC

Jr29 Series Thermal Relay

FOB Price: US $10 / Piece
Min. Order: 1 Piece
  • Theory: Thermal Relay
  • Usage: Household Appliances Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 1
  • Size: Miniature

18dBm 80dB Signaltouchtm Series Single Band Digital Ics Home Relay

Min. Order: 1 Piece
  • Type: Wireless Repeater
  • Available Customized Single Band: 2g, 3G, 4G
  • Lower Power Consumption: Max.8W
  • High Gain: 70~85dB
  • Easy Installation: Plug&Play
  • Light Weight: 0.8kgs

Electric 220V Relay Switches Thermal Relay (JR26)

Min. Order: 1 Piece
  • Theory: Thermal Relay
  • Usage: Communication Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 3
  • Size: Miniature
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