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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, Entrée de courant de terre de type B (1Une note), Module de tension V6 (57-130V), Module de communication D3 (double port), Configuration de la sortie FE0 (8 relais programmables). Il prend en charge 24-250 V CC / 48-240Alimentation V AC avec indice de protection IP50. Appliqué pour la protection des mangeoires, transformateurs, moteurs et autres équipements dans les systèmes électriques moyenne et basse tension. Numéro de pièce: P127BA0V6D3FE0.
- Définition du segment du modèle
| Segment de modèle | Description |
| P127 | Série de produits: MiCOM Px20 series, full 3-phase and earth fault protection relay |
| B | Earth current input type: Tapez B, rated current Ion=1A, measuring range 0.01–8 Ion |
| A0 | Auxiliary function code: Configuration standard, 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 (y compris 1 master trip output RL1) |
| P127BA0V6D3FE0 | Schneider official part number, globally unique identifier |
- Full Version Technical Specification
| Catégorie de paramètre | Caractéristiques | Remarques |
| Informations de base | 3-phase & earth fault protection relay, ANSI 50/51/50G/51G protection functions | For medium/low voltage feeder protection |
| Numéro de pièce | P127BA0V6D3FE0 | Order strictly by this code |
| Dimensions | W144mm × H144mm × D190mm | Flush mount, fits standard 19-inch cabinet |
| Alimentation | 24-250À DC / 48-240V et | Wide voltage input for various power systems |
| Current Input | Phase current: 5UN (standard) / 1UN (facultatif); Earth current: 1UN (Tapez B) | Classe de précision 0.2; measuring range 0.01–8× rated value |
| Voltage Input | 57-130V (V6 module) | Matches PT secondary; phase/line voltage selectable |
| Fonctions de protection | Phase Overcurrent Stage I/II/III, Earth Overcurrent Stage I/II, Directional Protection, Auto-reclosing, Cold Load Pickup | 8 setting groups for flexible configuration |
| Output Configuration | 8 programmable relay outputs (RL1-RL8), RL1 as master trip output | Évaluation des contacts: 5A à 250 V CA / 30À DC |
| Interface de communication | Front port: RS232 (local commissioning); Rear port: RS485 (system communication) | Prend en charge Modbus RTU, IEC60870-5-103, DNP3.0 |
| Measurement Functions | Actuel, tension, pouvoir, fréquence, énergie; dynamic average/peak value recording | 250 event records, 25 enregistrements de défauts (1600Hz sampling) |
| Conditions ambiantes | Fonctionnement: -25°C ~ +70°C; Stockage: -40°C ~ +85°C; Humidity ≤95% (sans condensation) | Industrial grade for harsh environments |
| Certifications | CE, UL, ASC, CEI 60255 | Complies with global power equipment safety standards |
| Durée de vie | Relay mechanical life: 10⁵ operations | Durée de vie électrique: 10⁴ cycles at rated load |
| Poids | Environ. 3.5kilos | Léger pour une installation facile |
- MiCOM P127 Full Model List
| Numéro de pièce | Modèle | Earth Current Input | Voltage Module | Module de communication | Output Configuration | Fonctionnalités spéciales |
| P127BA0V6D3FE0 | P127 | Tapez B (1UN) | V6 (57-130V) | D3 (Double port) | FE0 (8 relais) | Standard feeder protection |
| P127AA0V6D3FE0 | P127 | Type A (5UN) | V6 (57-130V) | D3 (Double port) | FE0 (8 relais) | 5A phase current for standard CT |
| P127BA0Z1D3FE0 | P127 | Tapez B (1UN) | Z1 (24-60V) | D3 (Double port) | FE0 (8 relais) | Low voltage module for special power supply |
| P127BA0V6D1FE0 | P127 | Tapez B (1UN) | V6 (57-130V) | D1 (Single-port) | FE0 (8 relais) | Single communication port, rentable |
| P127BA0V6D3GE0 | P127 | Tapez B (1UN) | V6 (57-130V) | D3 (Double port) | GE0 (12 relais) | Extended outputs for complex logic |
| P127BA1V6D3FE0 | P127 | Tapez B (1UN) | V6 (57-130V) | D3 (Double port) | FE0 (8 relais) | With IRIG-B synchronization for precision time control |
| P127CA0V6D3FE0 | P127 | Tapez C (0.1UN) | V6 (57-130V) | D3 (Double port) | FE0 (8 relais) | High-sensitivity earth input for low-current earthing systems |
- Remplacement & Comparaison entre marques
4.1 Same Brand Direct Replacement
| Modèle original | Modèle de remplacement | Description | Application |
| 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 Modèles équivalents multimarques
| Schneider | ABB | Siemens | GE | Principales différences |
| P127BA0V6D3FE0 | REF615 | 7SJ60 | Multilin 369 | Schneider cost-performance & configuration flexible |
| ABB higher integration; Siemens richer protocol support | ||||
| Schneider 8 setting groups for multiple protection schemes | ||||
| GE larger event record capacity (500 enregistrements) |
- Environnement d'application & Cas industriels
Applications recommandées
Système d'alimentation: Substation & distribution feeder protection up to 35kV
Automatisation industrielle: Moteur, transformer and busbar protection in petrochemical, métallurgie, coal industries
Chemin de fer: Surintensité & earth fault protection for traction power supply and station distribution
Nouvelle énergie: Combiner box and inverter protection for PV and wind farms
Bâtiments commerciaux: Standby power system protection for shopping complexes and data centers
Public Utilities: Power protection for pumping stations and water treatment projects
Cas d'application typiques
- Substation Feeder Protection in Chemical Park
Objective: Protect 10kV feeders against equipment damage and power outage caused by overcurrent & earth faults
Avantages: Large adaptabilité de tension; 8 programmable outputs for complex trip logic; dual-port communication for remote monitoring
System Configuration: P127BA0V6D3FE0 + 10kV Vacuum Circuit Breaker + SCADA System
Effet: Fault response <30MS; 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
Avantages: Directional protection for fault location discrimination; auto-reclosing reduces transient fault impact; event recording facilitates fault analysis
System Configuration: P127BA0V6D3FE0 + Centre multicompte + Industrial Ethernet
Effet: Motor failure rate reduced by 25%; production line efficiency increased by 18%
Scénarios non recommandés
High voltage system (>35kV): Use MiCOM P40 or higher series
UHVDC system: Sans objet; dedicated DC protection relay required
Environnement à forte interférence électromagnétique: Additional electromagnetic shielding required to avoid measurement deviation
Underwater / Humid outdoor environment: IP50 only suitable for indoor dry locations; outdoor installation requires protective enclosure
- Installation & Directives de câblage
Exigences d'installation
- Type de montage: Montage encastré; panel cutout 138×138mm, front panel 144×144mm
- Position d'installation: Installer à l'intérieur de l'armoire de commande, 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
- Mise à la terre: Device earth terminal must be reliably connected; earth resistance ≤1Ω linked to station earthing grid
- Communication Wiring: RS485 uses shielded twisted pair; single-end shielding grounding; max communication distance 1200m
Core Terminal Definition
| Numéro de borne. | Fonction | Taper | Remarques |
| L1/L2/L3 | Phase Current Input | 5A/1A | Connect CT secondary, pay attention to polarity |
| DANS | Earth Current Input | 1UN (Tapez B) | Connect residual CT secondary |
| UA/UB/UC/UN | Voltage Input | 57-130V | Connect PT secondary; phase/line voltage optional |
| DC+/DC- | Alimentation | 24-250À DC / 48-240V et | Wide voltage with reverse polarity protection |
| RL1-RL8 | Sortie relais | NO/NC en option | RL1 master trip linked with trip indicator |
| COM1/COM2 | Communication Port | RS232/RS485 | COM1 front port; COM2 rear port |
Points clés de la mise en service
- 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; Groupe 1 par défaut
- 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
- Règles de sélection & Référence rapide
Mnémonique de sélection
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.
Règles de sélection rapide
- Current Input: 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
- Communication: D3=dual-port local+remote; D1=single-port cost saving
- Sortir: FE0=8 relays standard; GE0=12 relays extended control
- Fonction spéciale: Suffixe “1” supports IRIG-B time synchronization
- Application: Feeder=standard; Motor=with directional; Transformer=with cold load pickup
- Conformité du fret aérien & Certifications
Conformité du fret aérien: Pas de batterie au lithium / supercapacitor. Built-in electromagnetic components, compliant with IATA DGR Class 9 marchandises non restreintes, shippable as general cargo.
Certifications:
CE: CEI 60255, DANS 61010
UL: UL 1053 Power Protection Standard
ASC: Canadian electrical safety approval
CEI 60255 Functional Safety certified by TÜV Rheinland
RoHS: EU RoHS compliant, free of hazardous heavy metals
Conformité environnementale: REACH regulation compliant
- Achat & Logistics Info
| Article | Détails |
| MOQ | 1 unité |
| Délai de mise en œuvre | Standard 8-10 semaines; Express 3-5 semaines |
| Conditionnement | Individual carton with manual, software CD and communication cable |
| Garantie | 12 months after commissioning acceptance |
| Recommended Spares | Same model relay, relay output module, module de communication |
| Accessoires assortis | MiCOM S1 Studio, CT/PT, disjoncteur, communication switch |
Schneider MiCOM Protection Relay Full Series List (Structured Version)
Schneider MiCOM protection relays consist of 8 platform series: Px10 / Px20 / Px30 / Px40 / Px60 / Px70 / Px80 / Px90. Covers feeder / moteur / transformateur / générateur / jeu de barres / line distance / differential protection. Supports Modbus / IEC60870-5-103 / DNP3.0. Applicable from medium-low voltage up to EHV power systems. Part number rule: PXXX[Code de fonction][Module Code].
- Naming Rule Definition
| Segment | Signification | Exemple |
| P. | Protection Relay identifier | P. |
| XXX | Code de série: | P127 (Feeder), P241 (Moteur) |
| – P1xx: Feeder Protection | ||
| – P2xx: Moteur & Rotating Machine | ||
| – P3xx: Générateur | ||
| – P4xx: Line Distance | ||
| – P6xx: Différentiel (Transformer/Motor/Busbar) | ||
| – P7xx: Busbar Protection | ||
| – P8xx: Circuit Breaker Failure | ||
| – P9xx: Voltage/Frequency Control | ||
| Code de fonction | Fonction spéciale: | B=1A Earth; A1=IRIG-B |
| – ABC: Earth current 5A/1A/0.1A | ||
| – A0/A1: Standard / 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 relais | ||
| Full Part No. | Global unique code | P127BA0V6D3FE0 |
- Series Classification by Application
2.1 Feeder Protection (P1xx)
| Série | Modèle | Fonction principale | Current Input | Voltage Module | Comm. | Sortir | Typical Part No. |
| Px10 Basic | P111/P115/P116 | Surintensité + 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 + Comptage d'énergie + Fault Recorder | 5A/1A | V6/Z1 | D3/D5 | HE0 | P141CA0V6D5HE0 |
2.2 Moteur & Rotating Machine (P2xx)
| Série | Modèle | Fonction principale | Type de moteur | Fonction spéciale | Numéro de pièce. Exemple |
| Px20 | P211 | Motor Monitoring + Surcharge + Locked Rotor + Perte de phase | LV Motor | Temperature Monitoring | P211A00V0D0FE0 |
| Px40 | P241/P242/P243 | Integrated Motor Protection + Start Control + Diagnostic des pannes | MV/HV Motor | Positive/Negative Sequence + Thermal Model | P242AA0V6D3GE0 |
| Spécial | P244 | Synchronous Motor Protection + Excitation Control | Moteur synchrone | Out-of-step + Excitation Monitoring | P244BA0V6D3GE0 |
2.3 Protection du transformateur (P6xx)
| Série | Modèle | Fonction principale | Transformer Type | Differential Type | Numéro de pièce. Exemple |
| Px30 | P631/P632/P633 | Transformer Differential + O/C + Earth + Température | 2-enroulement / 3-enroulement | Ratio Differential | P632AA0V6D3GE0 |
| Px40 | P635/P636/P637 | Advanced Transformer Protection + Winding Temp + Buchholz | Power Transformer | Harmonic Restraint Ratio Differential | P635BA0V6D5HE0 |
| Chemin de fer | P638 | Railway OHL Differential Protection | Traction Transformer | Fast Differential + Directionnel | P638CA0V6D3GE0 |
2.4 Generator Protection (P3xx)
2.5 Line Distance Protection (P4xx)
2.6 Busbar Protection (P7xx)
2.7 Special Function Series
