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Genuine Protection Relay Differential Overcurrent Relay For Power Grid & New Energy

Product Details

Place of Origin: Germany

Certification: CE、IEC、UL、VDE、EAC、UKCA、RoHS

Model Number: SIPROTEC 4、SIPROTEC 5、7SJ80/81/82、SIRIUS 、P1J

Payment & Shipping Terms

Minimum Order Quantity: 1

Price: $1-$180

Delivery Time: 3-5Workday

Payment Terms: L/C,D/A,D/P,T/T,Western Union

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Genuine Protection Relay

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Power Grid Differential Overcurrent Relay

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New Energy Differential Overcurrent Relay

Genuine Protection Relay Differential Overcurrent Relay For Power Grid & New Energy
Protection Relay - Overcurrent & Differential Protection for Power Grid & New Energy
Protection Relay Original Genuine Overcurrent Differential Protection for Power Grid & New Energy
These genuine Siemens protection relays provide stable overcurrent and differential protection, widely used in power grids, new energy, industrial automation and infrastructure to ensure safe, reliable and long-term operation of your power system.
Industrial Protection Relays - Complete Model & Parameter List
SIPROTEC 4 Series (Medium & High Voltage Comprehensive Protection)
SeriesComplete ModelKey ParametersTypical Applications
SIPROTEC 47SJ61, 7SJ62, 7SJ63, 7SJ64, 7SJ66, 7SJ68Overcurrent/directional overcurrent/feeder/motor/transformer protection; IEC 61850 supported, fault recording, DIGSI 4 configurationMedium & high voltage power grids, substations, motor/transformer protection, industrial power distribution
SIPROTEC 47SA522, 7SA61, 7SA63, 7SA64Distance protection, long line/cable protection, power oscillation blockingTransmission lines, long-distance cables, regional power grid protection
SIPROTEC 47SD52, 7SD53, 7SD610, 7SD680, 7SD686Line/transformer/generator-transformer differential protection, multi-terminal differentialTransformers, busbars, generator-transformer units, large industrial power supply systems
SIPROTEC 47UT612, 7UT613, 7UT633, 7UT635, 7UT682, 7UT683, 7UT686Transformer differential protection, ratio restraint, multi-winding adaptationPower transformers, industrial main transformers, power substations
SIPROTEC 47UM61, 7UM62Generator-transformer comprehensive protection (loss of excitation/out-of-step/over-excitation)Generator-transformer units, power plants, large industrial captive power plants
SIPROTEC 47SS52, 7SS60Busbar differential protection, circuit breaker failure protectionSubstation busbars, complex wiring systems
SIPROTEC 47RW600, 7RW680Voltage/frequency/over-excitation protection, system splittingDistribution networks, capacitor banks, voltage abnormality monitoring
SIPROTEC 47VK61Circuit breaker management, end fault protectionCircuit breaker control, substation automation
SIPROTEC 5 Series (High-End Intelligent Protection)
SeriesComplete ModelKey ParametersTypical Applications
SIPROTEC 57SJ81, 7SJ82, 7SJ85, 7SJ86Overcurrent/feeder/motor/capacitor protection, advanced fault analysis, digital twinSmart grids, large industrial projects, new energy grid connection
SIPROTEC 57SL82, 7SL86, 7SL87Line differential + distance protection, high-speed action, PMU synchrophasorKey transmission lines, smart substations
SIPROTEC 57SD80, 7SD82, 7SD86, 7SD87High-sensitivity line differential protection, multi-terminal differentialCable lines, regional power grid differential protection
SIPROTEC 57UT85Transformer differential protection, multi-winding, advanced monitoringLarge power transformers, industrial main transformers
SIPROTEC 57UM85Generator-transformer comprehensive protection (loss of excitation/out-of-step/over-excitation)Generator-transformer units, power plants
SIPROTEC 57SK82, 7SK85Busbar protection, circuit breaker failure protectionSmart substation busbars
SIPROTEC 57VE85Synchronizing device, grid connection controlPower plants, new energy station grid connection
SIPROTEC 57SX800, 7SX82, 7SX85Universal protection, automation & measurement integrationMedium & low voltage distribution, industrial automation
SIPROTEC 57SY82Universal protection, LPIT sensor compatibleMedium voltage grids, distribution automation
SIPROTEC Compact Series (Cost-Effective Compact Protection)
SeriesComplete ModelKey ParametersTypical Applications
SIPROTEC Compact7SJ80, 7SJ81, 7SJ82Overcurrent/feeder/motor/capacitor protection; compact size, easy installation, CFC programmableMedium & low voltage distribution, small & medium industries, buildings, PV/wind power
SIPROTEC Compact7RW80Voltage/frequency/over-excitation protection, system splittingDistribution networks, capacitor banks, voltage abnormality monitoring
SIPROTEC Compact7SX800Universal protection, automation & measurement integrationCompact scenarios, distribution panels
SIRIUS Series (Low Voltage Motor Protection)
SeriesComplete ModelKey ParametersTypical Applications
3RU (Thermal Overload Relay)3RU11, 3RU16, 3RU21, 3RU51, 3RU61Thermal overload protection; 0.1-63A; trip class 10/20/30; thermal memoryLow voltage motors, fans, pumps, conveyors, OEM equipment
3RB (Electronic Overload Relay)3RB20, 3RB21, 3RB30, 3RB31High-performance overload/short-circuit protection; 0.1-630A; matched with 3RT contactorsHigh-power motors, industrial production lines, equipment manufacturing
3RV (Motor Starter/Circuit Breaker)3RV20, 3RV21, 3RV23, 3RV24, 3RV27, 3RV28Motor starter/circuit breaker; short-circuit quick break (13×In); S00-S3 sizeMotor circuits, machine tools, pumps & valves, small industrial equipment, control panels
P1J Series (Medium & Low Voltage Distribution Protection)
SeriesComplete ModelKey ParametersTypical Applications
P1JP1J1135619, P1J1212891, P1J130, P1J193355, P1J222596, P1J223373, P1J223717, P1J223753, P1J223878, P1J223948, P1J31055, P1J36573, P1J368959, P1J37800, P1J39808, P1J40150, P1J446433Digital overcurrent/feeder protection; 3-stage logic; easy installationMedium & low voltage feeders, distribution panels, industrial plants, municipal power distribution
Application Industries
  • Power Grid & Substation
  • Industrial Automation
  • New Energy (PV, Wind, Energy Storage)
  • Municipal Infrastructure
  • Heavy Industry & Manufacturing
  • Power Generation
Frequently Asked Questions
Q: Do you have stock for regular models?
A: There is a large quantity of goods in stock.
Q: Can I order small quantities?
A: Yes, small orders for project use are acceptable.
Q: What certifications do you have?
A: CE, IEC, UL, VDE, fully compliant with international standards.
Q: Can they replace other brands?
A: Yes, can replace ABB, Schneider, Alstom similar protection relays.
Q: How long is the lead time?
A: Normally 1 weeks; some hot models 1-2 weeks.
Q: Are they 100% original and new?
A: Yes, brand new original with traceable serial number.
Q: What's the MOQ?
A: No strict MOQ, order as per your project needs.
Q: What are the main applications?
A: Power grid, industrial automation, new energy, infrastructure, oil & gas.
Q: How long is the warranty?
A: 1-2 years under normal operation.