คอนแทคเตอร์,เบรกเกอร์,อินเวอร์เตอร์พลังงานแสงอาทิตย์,มิเตอร์ไฟฟ้า,แบตเตอรี่พลังงานแสงอาทิตย์
Schneider P127AA1W1D3FB0 is a multifunctional digital protection relay from Schneider Electric under the MiCOM P127 series, belonging to the MiCOM Px20 product line. It is mainly used for overcurrent and earth fault protection in medium-voltage and high-voltage power systems, and is particularly suitable for feeder protection applications.
- Model Code Interpretation (based on MiCOM P127 ordering rules)
| ส่วนรหัส | ความหมาย | คำอธิบาย |
| P127 | ชุดผลิตภัณฑ์ | MiCOM P127 multifunctional three‑phase and earth fault protection relay with voltage and frequency protection |
| AA1 | การกำหนดค่าฮาร์ดแวร์ | May indicate: |
| – 1st character (ก): Enclosure type / ขนาด | ||
| – 2nd character (ก): Display type (standard backlit LCD, 2 lines × 16 characters) | ||
| – 3rd character (1): Specific function configuration | ||
| W1 | Power supply module | Wide‑range power supply, supporting 24–250V DC / 48–240V AC |
| D3 | I/O configuration | Digital input/output configuration; มาตรฐาน 7 input points expandable by 5; multiple relay outputs |
| FB0 | การสื่อสาร & extension | Communication protocols (Modbus RTU, DNP3, IEC 60870‑5‑103, ฯลฯ) and extended function configuration |
- ข้อมูลจำเพาะทางเทคนิคหลัก
| พารามิเตอร์ | รายละเอียด |
| ฟังก์ชั่นการป้องกัน | • Three‑phase overcurrent protection (แอนซี่ 50/51) |
| • Earth fault protection (ANSI 50G/51G) | |
| • Directional protection | |
| • Voltage and frequency protection | |
| • Auto‑reclose (แอนซี่ 79) | |
| • Cold load pickup function | |
| Current input | Dual rating: 1A or 5A CT (current transformer) |
| Voltage input | Suitable for voltage levels up to and including 66kV |
| Communication interface | Rear RS485 port, supporting multiple protocols |
| ขนาดการติดตั้ง | 4U chassis, 20TE or 30TE width, withdrawable design for easy replacement |
| Operating environment | อุณหภูมิ: –25°C to +70°C |
| ความชื้น: 5% ถึง 95% (non‑condensing) |
- คุณสมบัติผลิตภัณฑ์ & การใช้งาน
คุณสมบัติที่สำคัญ
- Fully digital design: High measurement accuracy, comprehensive fault recording
- การกำหนดค่าที่ยืดหยุ่น: Logic programmable via MiCOM S1 Studio software
- User-friendly: Multilingual menus (including Chinese), intuitive LCD interface
- มีความน่าเชื่อถือสูง: Industrial-grade design for harsh environments
- Strong communication capability: Supports multiple industry-standard protocols for easy SCADA integration
การใช้งาน
Power distribution networks
Industrial power systems
Power generation facilities
มอเตอร์, transformer and busbar protection
- Related Information
The P127AA1W1D3FB0 differs from other models in the same series (such as P127BA0Z112FB0, P127AA0Z112FE0, ฯลฯ) mainly in hardware configuration, I/O points and communication functions. For more detailed technical documentation or quotation information, please contact Schneider Electric official or authorized distributors.
Complete Product List of Schneider MiCOM Series Protection Relays
- Series Classification Overview
The Schneider MiCOM series (now mostly categorized under Easergy™ MiCOM and PowerLogic™ MiCOM brands) is a full-range digital protection relay portfolio for power systems. It is divided into subseries including Px10 / Px20 / Px30 / Px40 / Px50 / Px60 / Px70 / Px80 / Px90, covering protection requirements for various electrical equipment from low voltage up to extra-high voltage.
- Detailed Product List (by subseries)
- MiCOM P10x Series: Basic Overcurrent Protection Relays
Core applications: LV/MV feeders, small transformers, basic overcurrent and earth fault protection for motors
Main models:
P111: Three-phase overcurrent and earth fault protection, including breaker failure protection
P112: Enhanced P111 with added directional protection
P113: Upgraded P112 with auto-reclose function
- MiCOM P12x Series: Multifunctional Overcurrent Protection Relays (with voltage/frequency protection)
Core applications: MV/HV feeders, bus sectioning, small transformer protection, dual power supply support
Main models:
P120: Basic overcurrent/earth fault protection, no voltage functions
P121: With directional overcurrent protection
P122: With auto-reclose function
P123: With directional protection and auto-reclose
P125: Multifunctional model with voltage/frequency protection
P126: With directional protection, auto-reclose and voltage/frequency protection
P127: Full-featured model (เช่น, P127AA1W1D3FB0) with three-phase overcurrent, ความผิดของโลก, ทิศทาง, voltage/frequency, auto-reclose, ฯลฯ.
Mounting features: 4U chassis, 20TE/30TE width, withdrawable design
- MiCOM P13x/P14x Series: Feeder Management Protection Relays
Core applications: Comprehensive MV feeder protection and control, including advanced auto-reclose and synchrocheck
P13x series:
P131: Basic feeder management relay
P132: With auto-reclose
P133: With auto-reclose and synchrocheck
P14x series:
P141: Feeder management relay
P142: With integrated auto-reclose
P143: With auto-reclose and synchrocheck
P144: With auto-reclose and residual voltage input
P145: With auto-reclose, synchrocheck and enhanced control functions
- MiCOM P22x/P24x Series: Motor Protection Relays
Core applications: Comprehensive protection for all motor types (asynchronous/synchronous), including overload, stall, ความล้มเหลวของเฟส, ความผิดของโลก, ฯลฯ.
P22x series:
P220: Standard motor protection
P225: Enhanced motor protection
P226C: ป้องกันมอเตอร์ + general overcurrent protection
P24x series:
P241: High-performance motor protection
P242: With advanced diagnostics
P243: With communication and remote monitoring
- MiCOM P34x Series: Generator Protection Relays
Core applications: Comprehensive protection for small and medium generators, including stator/rotor protection, พลังงานย้อนกลับ, เกิน/แรงดันตก, ฯลฯ.
Main models:
P341: Basic generator protection
P342: With differential protection
P343: With loss-of-excitation protection
P345: Full-featured generator protection with synchrocheck and auto-synchronization
P346: Enhanced protection for large generators
- MiCOM P43x/P44x Series: Distance Protection Relays
Core applications: Distance protection for MV/HV transmission lines, including phase-to-phase and earth fault distance measurement
P43x series:
P433: Basic distance protection, three-zone phase/earth distance
P435: With auto-reclose and directional elements
P437: With synchrocheck and voltage control
P439: Advanced model with graphical HMI
P44x series:
P441: Extended-function distance protection
P442: With high-frequency protection interface
P443: Line differential protection with optical fiber communication interface
- MiCOM P521/P532/P59x Series: Line Differential Protection & Interface Devices
Core applications: Line current differential protection, protocol conversion, GPS synchronization and pilot wire interfaces
Main models:
P521: Line differential protection relay
P532: Line differential protection + bay control unit
P591/P592/P593/P594/P595: Protocol converters, GPS synchronization and pilot wire interface devices
- MiCOM P63x/P64x Series: Transformer Differential Protection Relays
Core applications: Fast, selective short-circuit protection for power transformers and reactors, supporting multiple winding connections
Main models:
P631/P632/P633/P634: Standard transformer differential protection for various transformer capacities
P642/P643/P645: Enhanced transformer protection with non-electrical interface and advanced diagnostics
- MiCOM P72x/P74x Series: Busbar Protection Relays
Core applications: MV/HV/EHV busbar protection, including high-impedance differential and centralized busbar protection schemes
P72x series: High-impedance differential protection
P721: Single busbar protection
P722: Multi-busbar protection
P74x series: Centralized busbar protection
P741/P742/P743: For various busbar system sizes
P746: Scalable full-voltage-class busbar protection solution
- MiCOM P821/P841/P849 Series: Special Protection & Extension Devices
Core applications: Breaker failure protection, bay extension, I/O expansion and other auxiliary protection functions
Main models:
P821: Breaker failure protection relay
P841: Bay extension unit
P849: Compact I/O expansion device with flexible configuration
- MiCOM P92x Series: แรงดันไฟฟ้า & Frequency Management Relays
Core applications: Power system voltage/frequency control, out-of-step detection, ซิงโครเช็ค, ฯลฯ.
Main models:
P921: Voltage/frequency protection relay
P922: With synchrocheck function
P923: With out-of-step detection and power swing blocking
P925: Full-featured voltage/frequency management device
- Product Naming Convention (example: P127AA1W1D3FB0)
| ส่วนรหัส | ความหมาย | คำอธิบาย |
| P127 | ชุดผลิตภัณฑ์ | MiCOM P127 multifunctional three‑phase and earth fault protection relay |
| AA1 | การกำหนดค่าฮาร์ดแวร์ | Enclosure type / display type / specific function configuration |
| W1 | Power supply module | Wide‑range power supply (24–250V DC / 48–240V AC) |
| D3 | I/O configuration | Digital input/output point configuration |
| FB0 | การสื่อสาร & extension | Communication protocols (Modbus/DNP3/IEC 60870‑5‑103) and extended functions |
- แนวทางการคัดเลือก
- Select by application
Feeder protection: Prioritize P12x/P13x/P14x series
ป้องกันมอเตอร์: P22x/P24x series
การป้องกันเครื่องกำเนิดไฟฟ้า: P34x series
Transmission lines: P43x/P44x/P521/P532 series
Transformers: P63x/P64x series
Busbars: P72x/P74x series
- Select by functional requirements
Basic protection: Choose models without voltage/frequency protection
Advanced applications: Choose models with auto-reclose, ซิงโครเช็ค, directional protection, ฯลฯ.
Communication requirements: Confirm support for Modbus, DNP3, ไออีซี 60870-5-103, ฯลฯ.
- การติดตั้ง & สิ่งแวดล้อม
ขนาด: 20TE/30TE/40TE width options
แหล่งจ่ายไฟ: Wide-range (W1) or fixed voltage
สิ่งแวดล้อม: Operating temperature-25°C to +70°C, IP rating suitable for site conditions
- Some early MiCOM P20 series products (เช่น, P521/P821/P92x) have been gradually migrated to the Easergy P3/P5 series.
- Latest products support configuration and monitoring via Easergy Studio or MiCOM S1 Studio software.
- สำหรับการคัดเลือก, it is recommended to contact Schneider Electric or authorized distributors for the latest technical documents and quotations.
