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Schneider MiCOM P127BA0V6D3FE0 Overcurrent and Earth Fault Protection Relay
Schneider MiCOM Px20 series 3-phase and earth fault comprehensive protection relay, Entrada de corrente de terra tipo B (1Uma classificação), Módulo de tensão V6 (57-130V), Módulo de comunicação D3 (porta dupla), Configuração de saída FE0 (8 relés programáveis). Suporta 24-250 Vcc / 48-240Fonte de alimentação V AC com proteção de entrada IP50. Aplicado para proteção de alimentadores, transformadores, motores e outros equipamentos em sistemas de energia de média e baixa tensão. Número da peça: P127BA0V6D3FE0.
- Definição de segmento de modelo
| Segmento de modelo | Descrição |
| P127 | Série de produtos: MiCOM Px20 series, full 3-phase and earth fault protection relay |
| B | Earth current input type: Tipo B, rated current Ion=1A, measuring range 0.01–8 Ion |
| A0 | Auxiliary function code: Configuração padrão, no special extended functions |
| V6 | Voltage module type: V6, input range 57-130V, compatible with PT secondary voltage |
| D3 | Communication module type: D3 dual communication ports (front RS232 / rear RS485); supports Modbus / IEC60870-5-103 / DNP3.0 |
| FE0 | Output configuration: FE0 type, 8 programmable relay outputs (incluindo 1 master trip output RL1) |
| P127BA0V6D3FE0 | Schneider official part number, globally unique identifier |
- Full Version Technical Specification
| Categoria de parâmetro | Especificações | Observações |
| Basic Info | 3-fase & earth fault protection relay, ANSI 50/51/50G/51G protection functions | For medium/low voltage feeder protection |
| Número da peça | P127BA0V6D3FE0 | Order strictly by this code |
| Dimensões | W144mm × H144mm × D190mm | Flush mount, fits standard 19-inch cabinet |
| Fonte de energia | 24-250Em DC / 48-240V e | Wide voltage input for various power systems |
| Entrada atual | Phase current: 5UM (padrão) / 1UM (opcional); Earth current: 1UM (Tipo B) | Accuracy class 0.2; measuring range 0.01–8× rated value |
| Voltage Input | 57-130V (V6 module) | Matches PT secondary; phase/line voltage selectable |
| Funções de proteção | Phase Overcurrent Stage I/II/III, Earth Overcurrent Stage I/II, Directional Protection, Auto-reclosing, Cold Load Pickup | 8 setting groups for flexible configuration |
| Configuração de saída | 8 programmable relay outputs (RL1-RL8), RL1 as master trip output | Avaliação de contato: 5A @ 250V AC / 30Em DC |
| Interface de comunicação | Front port: RS232 (local commissioning); Rear port: RS485 (system communication) | Supports Modbus RTU, IEC60870-5-103, DNP3.0 |
| Measurement Functions | Atual, tensão, poder, freqüência, energia; dynamic average/peak value recording | 250 event records, 25 fault records (1600Hz sampling) |
| Condições ambientais | Operando: -25°C ~ +70°C; Armazenar: -40°C ~ +85°C; Humidity ≤95% (sem condensação) | Industrial grade for harsh environments |
| Certificações | CE, UL, CSA, CEI 60255 | Complies with global power equipment safety standards |
| Vida útil | Relay mechanical life: 10⁵ operations | Vida elétrica: 10⁴ cycles at rated load |
| Peso | Aprox.. 3.5kg | Leve para fácil instalação |
- MiCOM P127 Full Model List
| Número da peça | Modelo | Earth Current Input | Voltage Module | Módulo de Comunicação | Configuração de saída | Recursos especiais |
| P127BA0V6D3FE0 | P127 | Tipo B (1UM) | V6 (57-130V) | D3 (Porta dupla) | FE0 (8 relés) | Standard feeder protection |
| P127AA0V6D3FE0 | P127 | Tipo A (5UM) | V6 (57-130V) | D3 (Porta dupla) | FE0 (8 relés) | 5A phase current for standard CT |
| P127BA0Z1D3FE0 | P127 | Tipo B (1UM) | Z1 (24-60V) | D3 (Porta dupla) | FE0 (8 relés) | Low voltage module for special power supply |
| P127BA0V6D1FE0 | P127 | Tipo B (1UM) | V6 (57-130V) | D1 (Single-port) | FE0 (8 relés) | Single communication port, econômico |
| P127BA0V6D3GE0 | P127 | Tipo B (1UM) | V6 (57-130V) | D3 (Porta dupla) | GE0 (12 relés) | Extended outputs for complex logic |
| P127BA1V6D3FE0 | P127 | Tipo B (1UM) | V6 (57-130V) | D3 (Porta dupla) | FE0 (8 relés) | With IRIG-B synchronization for precision time control |
| P127CA0V6D3FE0 | P127 | Tipo C (0.1UM) | V6 (57-130V) | D3 (Porta dupla) | FE0 (8 relés) | High-sensitivity earth input for low-current earthing systems |
- Substituição & Comparação entre marcas
4.1 Same Brand Direct Replacement
| Modelo original | Modelo de substituição | Descrição | Aplicativo |
| P127BA0V6D3FE0 | P127BA0V6D3GE0 | Upgraded to 12 relay outputs with expanded control capacity | Complex protection logic requiring more control outputs |
| P127BA0V6D3FE0 | P127BA1V6D3FE0 | Added IRIG-B time synchronization for higher timestamp accuracy | Power system fault analysis requiring precise time stamping |
| P127BA0V6D3FE0 | P127CA0V6D3FE0 | Upgraded to Type C high-sensitivity 0.1A earth input | Low-current earthing systems such as petrochemical and metallurgy |
| P127BA0V6D3FE0 | P127BA0Z1D3FE0 | Replaced with Z1 24-60V low voltage module | DC systems or special low-voltage power supply environments |
4.2 Cross-Brand Equivalent Models
| Schneider | ABB | Siemens | GE | Principais diferenças |
| P127BA0V6D3FE0 | REF615 | 7SJ60 | Multilin 369 | Schneider cost-performance & configuração flexível |
| ABB higher integration; Siemens richer protocol support | ||||
| Schneider 8 setting groups for multiple protection schemes | ||||
| GE larger event record capacity (500 registros) |
- Ambiente de aplicação & Industry Cases
Aplicativos recomendados
Sistema de energia: Substation & distribution feeder protection up to 35kV
Automação Industrial: Motor, transformer and busbar protection in petrochemical, metalurgia, coal industries
Railway: Sobrecorrente & earth fault protection for traction power supply and station distribution
Nova Energia: Combiner box and inverter protection for PV and wind farms
Edifícios Comerciais: Standby power system protection for shopping complexes and data centers
Public Utilities: Power protection for pumping stations and water treatment projects
Casos de aplicação típicos
- Substation Feeder Protection in Chemical Park
Objective: Protect 10kV feeders against equipment damage and power outage caused by overcurrent & earth faults
Vantagens: Ampla adaptabilidade de tensão; 8 programmable outputs for complex trip logic; dual-port communication for remote monitoring
Configuração do sistema: P127BA0V6D3FE0 + 10kV Vacuum Circuit Breaker + SCADA System
Effect: Fault response <30EM; power outage duration reduced by 40%; power supply reliability improved
- Motor Protection Scheme for Automotive Factory
Objective: Protect large stamping line motors against overload and earth faults
Vantagens: Directional protection for fault location discrimination; auto-reclosing reduces transient fault impact; event recording facilitates fault analysis
Configuração do sistema: P127BA0V6D3FE0 + MCC + Ethernet Industrial
Effect: Motor failure rate reduced by 25%; production line efficiency increased by 18%
Cenários não recomendados
High voltage system (>35kV): Use MiCOM P40 or higher series
UHVDC system: Not applicable; dedicated DC protection relay required
Strong electromagnetic interference environment: Additional electromagnetic shielding required to avoid measurement deviation
Underwater / Humid outdoor environment: IP50 only suitable for indoor dry locations; outdoor installation requires protective enclosure
- Instalação & Diretrizes de fiação
Requisitos de instalação
- Tipo de montagem: Flush mounting; panel cutout 138×138mm, front panel 144×144mm
- Posição de instalação: Install inside control cabinet, avoid direct sunlight and high heat source; reserve ≥50mm clearance for heat dissipation
- Wiring Standard: Current loop ≥2.5mm² copper cable; voltage loop ≥1.5mm² copper cable; separate routing ≥100mm between current and voltage wires
- Aterramento: Device earth terminal must be reliably connected; earth resistance ≤1Ω linked to station earthing grid
- Fiação de comunicação: RS485 uses shielded twisted pair; single-end shielding grounding; max communication distance 1200m
Core Terminal Definition
| Terminal nº. | Função | Tipo | Observações |
| L1/L2/L3 | Phase Current Input | 5A/1A | Connect CT secondary, pay attention to polarity |
| EM | Earth Current Input | 1UM (Tipo B) | Connect residual CT secondary |
| UA/UB/UC/UN | Voltage Input | 57-130V | Connect PT secondary; phase/line voltage optional |
| DC+/DC- | Fonte de energia | 24-250Em DC / 48-240V e | Wide voltage with reverse polarity protection |
| RL1-RL8 | Saída de relé | NA/NF opcional | RL1 master trip linked with trip indicator |
| COM1/COM2 | Communication Port | RS232/RS485 | COM1 front port; COM2 rear port |
Pontos-chave de comissionamento
- Parameter Configuration: Use MiCOM S1 Studio via RS232 to set CT/PT ratio, protection settings and communication parameters
- Setting Group Selection: 8 setting groups switchable for different operation modes; Grupo 1 as default
- Protection Function Test: Simulate phase overcurrent & earth overcurrent to verify action accuracy and response time
- Communication Test: Verify Modbus / IEC60870-5-103 / DNP3.0 data transmission
- Event Record Check: Confirm complete event & fault waveform records after fault triggering
- Selection Rules & Quick Reference
Mnemônico de seleção
Schneider P127 relay, full 3-phase earth protection,
Type B 1A earth input, V6 voltage 57-130V option,
D3 dual-port communication, FE0 with 8 relay operation,
24-250V wide power range, IP50 high protection graduation,
Order by P127BA0V6D3FE0, ideal for feeder station application.
Regras de seleção rápida
- Entrada atual: A=5A standard CT; B=1A high precision; C=0.1A high-sensitivity earthing
- Voltage Module: V6=57-130V for PT secondary; Z1=24-60V for low voltage supply
- Comunicação: D3=dual-port local+remote; D1=single-port cost saving
- Saída: FE0=8 relays standard; GE0=12 relays extended control
- Função Especial: Sufixo “1” supports IRIG-B time synchronization
- Aplicativo: Feeder=standard; Motor=with directional; Transformer=with cold load pickup
- Air Freight Compliance & Certificações
Air Freight Compliance: No lithium battery / supercapacitor. Built-in electromagnetic components, compliant with IATA DGR Class 9 non-restricted goods, shippable as general cargo.
Certificações:
CE: CEI 60255, EM 61010
UL: UL 1053 Power Protection Standard
CSA: Canadian electrical safety approval
CEI 60255 Functional Safety certified by TÜV Rheinland
RoHS: EU RoHS compliant, free of hazardous heavy metals
Environmental Compliance: REACH regulation compliant
- Purchasing & Logistics Info
| Item | Detalhes |
| Quantidade mínima | 1 unit |
| Lead Time | Padrão 8-10 semanas; Express 3-5 semanas |
| Embalagem | Individual carton with manual, software CD and communication cable |
| Garantia | 12 months after commissioning acceptance |
| Recommended Spares | Same model relay, relay output module, módulo de comunicação |
| Acessórios correspondentes | MiCOM S1 Studio, CT/PT, disjuntor, communication switch |
Schneider MiCOM Protection Relay Full Series List (Versão Estruturada)
Schneider MiCOM protection relays consist of 8 platform series: Px10 / Px20 / Px30 / Px40 / Px60 / Px70 / Px80 / Px90. Covers feeder / motor / transformador / gerador / barramento / line distance / differential protection. Suporta Modbus / IEC60870-5-103 / DNP3.0. Applicable from medium-low voltage up to EHV power systems. Part number rule: PXXX[Function Code][Module Code].
- Naming Rule Definition
| Segmento | Significado | Exemplo |
| P | Protection Relay identifier | P |
| XXX | Código da série: | P127 (Feeder), P241 (Motor) |
| – P1xx: Feeder Protection | ||
| – P2xx: Motor & Rotating Machine | ||
| – P3xx: Gerador | ||
| – P4xx: Line Distance | ||
| – P6xx: Diferencial (Transformer/Motor/Busbar) | ||
| – P7xx: Busbar Protection | ||
| – P8xx: Circuit Breaker Failure | ||
| – P9xx: Voltage/Frequency Control | ||
| Function Code | Função especial: | B=1A Earth; A1=IRIG-B |
| – ABC: Earth current 5A/1A/0.1A | ||
| – A0/A1: Padrão / with IRIG-B | ||
| Module Code | Functional module: | V6, D3, FE0 |
| – V6/Z1: 57-130V / 24-60V | ||
| – D1/D3/D5: Single/Dual-port/Ethernet | ||
| – FE0/GE0/HE0: 8/12/16 relés | ||
| Full Part No. | Global unique code | P127BA0V6D3FE0 |
- Series Classification by Application
2.1 Feeder Protection (P1xx)
| Série | Modelo | Função principal | Entrada atual | Voltage Module | Comm. | Saída | Typical Part No. |
| Px10 Basic | P111/P115/P116 | Sobrecorrente + Earth Fault, Self-powered | 5A/1A | None/Optional | None/D1 | 4-6R | P111A00V0D0FE0 |
| Px20 Standard | P121/P122/P127 | 3-stage O/C + 2-stage Earth + Direction + Auto-reclose | 5A/1A/0.1A | V6/Z1 | D1/D3 | FE0/GE0 | P127BA0V6D3FE0 |
| Px30 Advanced | P132/P139/P138 | Feeder Management + ATS + Remote I/O | 5A/1A | V6/Z1 | D3/D5 | GE0/HE0 | P132AA0V6D5GE0 |
| Px40 High-End | P141/P142/P143 | Full feeder protection + Medição de Energia + Fault Recorder | 5A/1A | V6/Z1 | D3/D5 | HE0 | P141CA0V6D5HE0 |
2.2 Motor & Rotating Machine (P2xx)
| Série | Modelo | Função principal | Tipo de motor | Função Especial | Número da peça. Exemplo |
| Px20 | P211 | Motor Monitoring + Sobrecarga + Locked Rotor + Phase Loss | LV Motor | Temperature Monitoring | P211A00V0D0FE0 |
| Px40 | P241/P242/P243 | Integrated Motor Protection + Start Control + Diagnóstico de falhas | MV/HV Motor | Positive/Negative Sequence + Thermal Model | P242AA0V6D3GE0 |
| Especial | P244 | Synchronous Motor Protection + Excitation Control | Motor Síncrono | Out-of-step + Excitation Monitoring | P244BA0V6D3GE0 |
2.3 Proteção do Transformador (P6xx)
| Série | Modelo | Função principal | Transformer Type | Differential Type | Número da peça. Exemplo |
| Px30 | P631/P632/P633 | Transformer Differential + O/C + Terra + Temperatura | 2-winding / 3-winding | Ratio Differential | P632AA0V6D3GE0 |
| Px40 | P635/P636/P637 | Advanced Transformer Protection + Winding Temp + Buchholz | Power Transformer | Harmonic Restraint Ratio Differential | P635BA0V6D5HE0 |
| Railway | P638 | Railway OHL Differential Protection | Traction Transformer | Fast Differential + Directional | P638CA0V6D3GE0 |
2.4 Proteção do Gerador (P3xx)
2.5 Line Distance Protection (P4xx)
2.6 Busbar Protection (P7xx)
2.7 Série de funções especiais
