Home Electrical & Electronics Voltage Regulator Power System Protection Relay 2017 Product List
Total 13,735 products from about 654

 Power System Protection Relay manufacturers & suppliers

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

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

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

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

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, 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

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

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

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

34-125AMP Ce and RoHS Approval Thermal Overload Relay

FOB Price: US $10 / Piece
Min. Order: 100 Pieces
  • Theory: Thermal Relay
  • Usage: Thermal Overload Relay
  • Phase: 3
  • Electricity Type: Ac
  • Number of Pole: 3
  • Load: Medium Power Relay

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

Test-630 Six Phase Universal Protection Device Relay Test Kit

FOB Price: $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

Cer Thermal Overload Relay (LRD)

Min. Order: 100 Pieces
  • Theory: Thermal Relay
  • Load: Weak Power Relay
  • Size: Miniature
  • Type: Electric Parameter Relay
  • Packing: Export Standard Packing
  • Port: Ningbo

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

Fire Fighting Over/Under Voltage, Phase Failure, Unbalance and Phase Sequence Control ...

Min. Order: 50 Pieces
  • Packing: Standard Exporting Carton
  • Standard: 76*50*70mm
  • Port: Ningbo
  • Production Capacity: 50, 000PCS/Month
  • Trademark: RADIN
  • Origin: Yueqing, Cn

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
Show: 10 | 30 | 50
1 2 3 4 5 6 7 8 ... 458
Haven't found what you want?

Accurate Supplier Match

Post your exact Sourcing Request, Made-in-China.com will match suppliers for you!

Post Sourcing Request to Source Now

Fast Subscription, Precise Recommendation

Product Alert

Subscribe to product alert and stay updated to what's new and popular on the market.