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The model 2GCA294985A0050 is not a display screen, but rather an ABB RVC-8 Power Factor Controller (also known as a Reactive Power Compensation Controller). It is used to automatically control the switching of capacitor banks, optimize the power factor of the power grid, and reduce energy consumption and electricity penalty charges due to poor power factor.
- Core Product Information
| Article | Spécifications détaillées |
| Modèle | RVC-8 (2GCA294985A0050), Old Order No.: 10148029 |
| Type de produit | 8-output Power Factor Controller |
| Plage de tension | 100V~440V, suitable for most low-voltage power grids |
| Input Current | 1A or 5A (RMS), requires connection to a Current Transformer (CT) |
| Gamme de fréquences | Auto-adapts to 50/60Hz |
| Display Type | Black and white LCD display with functional icons |
| Control Mode | Fully automatic control, supporting multiple switching strategies such as Integral, Cyclic, and Direct |
| Température de fonctionnement | -25°C~+70°C (ambient); Triggers an alarm if internal temperature exceeds 85°C |
| Consommation d'énergie | Max 8VA |
| Output Circuits | 8 programmable relay outputs, each rated at 16A/250VAC |
- Caractéristiques fonctionnelles de base
- Comprehensive Parameter Monitoring:
Measures and displays key grid parameters including voltage, actuel, facteur de puissance, THDV (Total Harmonic Voltage Distortion), and THDI (Total Harmonic Current Distortion).
- Flexible Control Strategies:
Fully programmable switching sequence supporting both共补 (Total Phase Compensation) and 分补 (Individual Phase Compensation).
Switching interval adjustable from 1 second to 999 secondes.
Target power factor adjustable from 0.7 (inductive) à 0.7 (capacitive).
Auto-adapts to grid phase sequence and CT terminal connection.
- Multiple Protection Functions:
Over-voltage / Under-voltage protection.
Over-temperature protection (internal temperature > 85°C).
Excessive harmonic protection (THDV threshold超限).
Power-off memory function (maintains capacitor bank state for power off durations up to 40ms).
- User-friendly Interface:
Upgraded icon-based UI allows for quick commissioning without a manual. The compact design saves cabinet space.
- Scénarios d'application
Industrial Plants: Reactive power compensation for inductive loads such as inverters, compresseurs, and motors.
Commercial Complexes: Reactive current compensation for devices like central air conditioners and elevators.
Centres de données: Stabilize the power supply system and improve energy efficiency.
New Energy Power Stations: Optimize the reactive power output of photovoltaic inverters and wind turbine converters to improve grid connection efficiency.
Équipements publics: Power distribution systems for public buildings such as hospitals, schools, and subway stations.
- RVC Series Full Model Comparison
| Modèle | Order No. | Number of Output Circuits | Main Features |
| RVC-3 | 2GCA294983A0050 | 3-circuit | Suitable for small capacitor cabinets |
| RVC-6 | 2GCA294984A0050 | 6-circuit | Medium-scale capacitor compensation system |
| RVC-8 | 2GCA294985A0050 | 8-circuit | This product; suitable for medium and large capacitor cabinets |
| RVC-10 | 2GCA294986A0050 | 10-circuit | Large-scale capacitor compensation system |
| RVC-12 | 2GCA294987A0050 | 12-circuit | Extra-large scale capacitor compensation system |
| RVC-L-12 | 2TAZ460104R1120 | 12-circuit | Long-life version, replacing the old RVC-12 |
| RVT-L-18 | 2TAZ460103R0180 | 18-circuit | Dedicated to 3-phase individual compensation, prend en charge 18 output circuits |
- Solutions de remplacement
- ABB Original Factory Upgrade Replacements:
RVC-L Series: Long-life version, par ex., RVC-L-12 (replaces RVC-12).
RVT Series: More advanced power factor controllers with support for more functions and communication protocols.
- Other Brand Replacements:
Schneider: VPL06N/VPL12N series.
Siemens: 7KM series power factor controllers.
Domestic Replacements: Similar products from brands such as Chint and Delixi.
- Technical Documentation and Support
- Remarques: The RVC-8 has been discontinued. It is recommended to prioritize upgrading to the RVC-L series or RVT series products for better performance and a longer service life.
Complete List of ABB Power Factor Controller Models and Comparison with Mainstream Brands
- Complete List of ABB Power Factor Controller Models
- RVC Series (Discontinué; recommended upgrade to the RVC-L series)
| Modèle | Order No. (New/Old) | Number of Outputs | Spécifications de base | Scénarios d'application |
| RVC-3 | 2GCA294983A0050/10148027 | 3-circuit | 100-440V et, 1/5A CT, IP20 | Small capacitor cabinets, stable load systems |
| RVC-6 | 2GCA294984A0050/10148028 | 6-circuit | 100-440V et, 1/5A CT, IP20 | Medium compensation systems, bâtiments commerciaux |
| RVC-8 | 2GCA294985A0050/10148029 | 8-circuit | 100-440V et, 1/5A CT, IP20 | Medium and large compensation systems, installations industrielles |
| RVC-10 | 2GCA294986A0050/10148030 | 10-circuit | 100-440V et, 1/5A CT, IP20 | Large compensation systems, data centers |
| RVC-12 | 2GCA294987A0050/10148031 | 12-circuit | 100-440V et, 1/5A CT, IP20 | Extra-large compensation systems, new energy power stations |
Fonctionnalités principales: Black and white LCD icon-based UI, supports Integral/Cyclic/Direct control, includes THDV/THDI monitoring, and features Over-voltage/Under-voltage/Harmonic/Over-temperature protection.
- RVC-L Series (RVC upgrade, long-life design)
| Modèle | Order No. | Number of Outputs | Spécifications de base | Upgrade Advantages |
| RVC-L-3 | 2TAZ460104R0030 | 3-circuit | 100-440V et, 1/5A CT, IP20 | Extended service life, optimized algorithms |
| RVC-L-6 | 2TAZ460104R0060 | 6-circuit | 100-440V et, 1/5A CT, IP20 | Extended service life, optimized algorithms |
| RVC-L-8 | 2TAZ460104R0080 | 8-circuit | 100-440V et, 1/5A CT, IP20 | Extended service life, optimized algorithms |
| RVC-L-10 | 2TAZ460104R0100 | 10-circuit | 100-440V et, 1/5A CT, IP20 | Extended service life, optimized algorithms |
| RVC-L-12 | 2TAZ460104R1120 | 12-circuit | 100-440V et, 1/5A CT, IP20 | Extended service life, optimized algorithms; most widely used |
Fonctionnalités principales: Retains all RVC functionality with improved component quality, extended MTBF (Mean Time Between Failures), and greater stability and reliability.
- RVT Series (Advanced features, supporting individual phase compensation)
| Modèle | Order No. | Number of Outputs | Spécifications de base | Fonctions principales |
| RVT-6 | 10079182 | 6-circuit | 100-460V et, 1/5A CT | Integral/Cyclic/Direct control, individual/total phase compensation, harmonic monitoring |
| RVT-12 | 10079161 | 12-circuit | 100-460V et, 1/5A CT | Integral/Cyclic/Direct control, individual/total phase compensation, harmonic monitoring |
| RVT-12-3P | Custom | 12-circuit | 100-460V et, 1/5A CT | 3-phase independent measurement, energy calculation, support for all connection types |
Fonctionnalités principales: More precise measurement, support for 3-phase unbalanced systems, independent measurement of each phase, suitable for complex load environments.
- RVT-L Series (Latest touchscreen series, most powerful features)
| Modèle | Order No. | Number of Outputs | Control Type | Avantages principaux |
| RVT-L-18 3P(N) | 2TAZ460103R0180 | 18-circuit | Contactor switching (passive) | Touchscreen UI, 3-phase full parameter measurement, harmonic spectrum analysis |
| RVT-L-18 3P(T) | Custom | 18-circuit | Thyristor switching (active DC12V) | Dynamic compensation, fast response to impact loads |
| RVT-L-24 3P(N) | Custom | 24-circuit | Contactor switching (passive) | Maximum number of output circuits, suitable for extra-large systems |
| RVT-L-24 3P(T) | Custom | 24-circuit | Thyristor switching (active DC12V) | Dynamic compensation, maximum number of output circuits |
Fonctionnalités principales: Color touchscreen, 18/24 output circuits, support for low/medium voltage applications, optional Modbus communication, suitable for high-end projects and smart grids.
- Comparison List of Mainstream Brand Power Factor Controllers (Categorized by Number of Output Circuits)
| Number of Outputs | ABB | Schneider | Siemens | Chint | Délicieux | Main Feature Comparison |
| 3-circuit | RVC-L-3 | VPL03N | 7KM2111 | NWKL1-3 | JKL2B-3 | ABB/RVC-L: Harmonic monitoring; Schneider: Conception modulaire; Siemens: Strong communication; Domestique: High cost-performance ratio |
| 6-circuit | RVC-L-6 | VPL06N | 7KM2112 | NWKL1-6 | JKL2B-6 | ABB: Flexible switching strategies; Schneider: Plug-and-play; Siemens: Strong diagnostic capabilities |
| 8-circuit | RVC-L-8 | VPL08N | 7KM2113 | ZT-830-8 | JKL5C-8 | ABB: Integral/Cyclic/Direct 3 modes; Domestique: Significant cost advantage |
| 12-circuit | RVC-L-12 | VPL12N/NVPL12N | 7KM2114 | NWKL1-12 | JKL2C-12 | ABB: Over-temperature protection; Schneider: 24V auxiliary power; Siemens: Detailed fault records |
| 18-circuit | RVT-L-18 | NVPL18N/NVPL18T | 7KM2318 | ZT-830-18 | Custom | ABB/RVT-L: Touchscreen; Schneider: Contactor/Thyristor dual version; Siemens: Advanced algorithms |
| 24-circuit | RVT-L-24 | NVPL24N/NVPL24T | 7KM2324 | Custom | Custom | ABB/RVT-L: Harmonic spectrum; Schneider: Maximum number of circuits; Siemens: Industrial network integration |
- Comparison Table of Core Technical Characteristics by Brand
| Marque | Representative Series | Avantages principaux | Disadvantages | Scénarios d'application |
| ABB | RVC-L/RVT-L | High measurement accuracy, protection complète, strong harmonic analysis, long service life | Higher price, some models require customization | Automatisation industrielle, new energy, high-end commercial projects |
| Schneider | VPL/NVPL | Conception modulaire, plug-and-play, rich communication protocols | General harmonic processing capability | Commercial buildings, data centers, infrastructure |
| Siemens | 7KM | Powerful diagnostic functions, excellent industrial network integration, advanced algorithms | Complex operation, steep learning curve | Industrie lourde, power systems, large factories |
| Chint | NWKL1/ZT-830 | High cost-performance ratio, opération simple, compatible with domestic power grids | Few high-end features, limited communication options | Small and medium enterprises, construction civile, renovation projects |
| Délicieux | JKL2B/JKL5C | Affordable price, good reliability, comprehensive after-sales service | Lack of advanced algorithms, weak harmonic monitoring | Small factories, shops, residential power distribution |
- Selection Guidelines and Replacement Recommendations
- RVC Series Upgrade: Existing RVC users are recommended to directly upgrade to the corresponding RVC-L model to maintain compatibility of control logic and obtain a longer service life and more stable performance.
- Selection of Number of Circuits: Select the number of circuits based on 1.2 times the total reactive power of the system, and reserve 2-3 circuits for future load increases.
- Control Type Selection:
Stable Loads: Choose contactor switching (Tapez N) for low cost and long service life.
Impact Loads: Choose thyristor switching (Type T) for fast response and no inrush current.
- Harmonic Considerations: If the system THDV > 5%, it is recommended to select a model with harmonic protection functions (such as ABB RVT-L, Schneider NVPL), and use it in conjunction with reactors.
- Quick Reference Table of Technical Parameters (Universal for the entire series)
| Catégorie de paramètre | Typical Value | Remarques |
| Operating Voltage | 100-440V et (RVC/RVC-L), 85-305V et (RVT-L) | Wide voltage range, compatible with global power grids |
| Current Input | 1A or 5A CT (RMS) | Requires connection to a Current Transformer |
| Frequency Adaptation | Auto-adapts to 50/60Hz | No manual setting required |
| Target Power Factor | Adjustable from 0.7 (inductive) à 0.7 (capacitive) | Meets requirements of different power grids |
| Switching Interval | Adjustable from 1 second to 999 secondes | Independent of load changes |
| Fonctions de protection | Over-voltage/Under-voltage/Harmonic/Over-temperature/Power-off memory | Comprehensive protection for capacitors and the power grid |
| Méthode d'installation | DIN rail installation (largeur: standard 96mm) | Saves cabinet space |
