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ABB 2CSG251161R4051 Network Analyzer 

1. Key Parameters

• Product Model: 2CSG251161R4051
• Product Series: ABB Industrial Network Analyzers (LV/MV Power Quality & Energy Monitoring)
• Core Function: Measures electrical network parameters (voltage, current, power, frequency); analyzes power quality (harmonics, flicker, unbalance); monitors energy consumption (import/export); detects grid transients (sags/swells); stores historical data for trend analysis; integrates with SCADA/EMS via industrial protocols; ensures compliance with power quality standards
• Measurement & Accuracy Specifications:

  Parameter	Details	Performance Metrics
  Electrical Parameter Range	- Voltage: 100V~690V AC (3-phase, line-line/line-neutral); optional DC (0~1000V DC) - Current: 0.5A~2000A AC (via external CT: 5A/1A secondary); optional DC (0~500A DC via shunt) - Power (Active/Reactive/Apparent): 0.1W~50MW - Frequency: 45Hz~65Hz (0.001Hz resolution) - Power Factor (PF): -1.0~+1.0 (0.0001 resolution)	Covers LV/MV industrial/commercial networks; supports both AC and optional DC measurement for hybrid systems (e.g., PV-battery microgrids)
  Accuracy Class	- Voltage/Current: 0.2 class (IEC 61000-4-30) - Active Power: 0.5 class (IEC 62053-21, suitable for sub-metering) - Reactive Power: 1.0 class - Frequency: ±0.002Hz - Harmonics (up to 31st order): ±0.5% of fundamental	0.2-class voltage/current accuracy enables reliable power quality analysis; 0.5-class active power supports energy sub-metering (e.g., department-level cost allocation in factories)
  Power Quality Analysis	- Harmonics: Up to 31st order (voltage/current); THD calculation (0.01% resolution) - Voltage Flicker: Pst (short-term), Plt (long-term) per IEC 61000-4-15 - Voltage Unbalance: 0.01%~100% (positive/negative/zero sequence) - Transients: Detection of sags (≥10% voltage drop) and swells (≥10% voltage rise); impulse detection (up to 5kV) - Energy Measurement: kWh (active), kVArh (reactive), kVAh (apparent); time-of-use (TOU) logging	Identifies common power quality issues (e.g., harmonics from VFDs, flicker from motors) that cause equipment overheating or failure; TOU logging supports demand-side management

• Data Storage & Communication Specifications:

  Parameter	Details	Performance Metrics
  Data Storage	- Internal Memory: 8GB Flash (stores up to 5 years of 15-minute interval data) - Sampling Rate: 500Hz (transient capture); 5Hz (steady-state logging) - Data Logging: Configurable intervals (1s~24h); event-triggered (e.g., sag/swell detection) - Data Format: CSV, XML, COMTRADE (for fault records)	8GB storage supports long-term energy trend analysis; event-triggered logging captures critical grid events without manual intervention
  Communication Protocols	- Built-in: Modbus TCP (Ethernet), Modbus RTU (RS-485) - Optional: Profinet, EtherNet/IP, BACnet (via expansion card) - Interfaces: 1× 10/100 Mbps Ethernet, 1× RS-485 (half-duplex) - Remote Access: Web-based interface (HTTP/HTTPS), ABB Energy Manager software	Modbus compatibility integrates with most industrial PLC/DCS; optional BACnet supports building automation systems (BAS) for commercial facilities

• Mechanical & Environmental Specifications:

  Parameter	Details	Performance Metrics
  Mechanical Design	- Dimensions: 96mm (W) × 96mm (H) × 150mm (D) (panel mount, 4-inch standard) - Enclosure: IP54 (front panel); IP20 (internal) - Display: 2.8-inch monochrome LCD (backlit, high contrast) - User Input: 4 tactile buttons (menu, select, up/down) - Weight: Approximately 400g	Compact 4-inch panel-mount size fits standard electrical enclosures; IP54 front panel resists dust and water splashes (suitable for industrial workshops)
  Environmental Ratings	- Operating Temperature Range: -10℃~+60℃ (-14℉~140℉) - Storage Temperature Range: -40℃~+85℃ (-40℉~185℉) - Humidity Tolerance: 5%~95% RH (non-condensing, 40℃) - Vibration Resistance: 10~500Hz, 0.5g acceleration (IEC 60068-2-6) - Shock Resistance: 20g (11ms half-sine, IEC 60068-2-27) - EMC Compliance: EN 61000-6-2 (immunity: Level 3); EN 61000-6-3 (emission: Class B)	Wide temperature range suits unconditioned industrial spaces; Level 3 EMC immunity resists interference from motors, VFDs, and power tools

• Compliance Standards: CE, UL 61010-1, IEC 61000-4-30 (power quality measurement), IEC 62053-21 (energy metering), RoHS, ISO 9001 |

2. Core Features

• LV/MV Network Versatility: Covers 100V~690V AC (LV/MV) and optional DC—adapts to diverse electrical systems (e.g., 400V industrial grids, 690V motor control centers, 230V commercial buildings), eliminating the need for multiple specialized meters.
• Balanced Accuracy & Cost: 0.2-class voltage/current accuracy and 0.5-class active power accuracy—strikes a balance between precision (for power quality analysis) and cost-effectiveness (for widespread deployment in factories or commercial buildings).
• Essential Power Quality Analysis: Focuses on high-impact power quality metrics (up to 31st harmonics, flicker, unbalance)—addresses the most common issues causing equipment failure (e.g., 5th harmonic distortion overheating transformers) without unnecessary complexity.
• Easy Integration: Built-in Modbus (TCP/RTU) and optional Profinet/EtherNet/IP/BACnet—seamlessly connects to existing automation systems (e.g., ABB AC500 PLCs, Siemens S7, Johnson Controls BAS), reducing retrofitting costs.
• Compact & Rugged Design: 4-inch panel-mount size and IP54 front panel—fits in space-constrained enclosures (e.g., motor control cabinets, commercial electrical panels); dust/water resistance ensures reliability in harsh workshops or commercial kitchens.
• User-Friendly Operation: 2.8-inch backlit LCD and web interface—enables on-site parameter setup (e.g., logging intervals, fault thresholds) and remote monitoring (no specialized software required); CSV data export simplifies reporting for compliance audits.
• Cost-Effective Energy Sub-Metering: 0.5-class active power accuracy supports energy sub-metering—enables detailed energy tracking (e.g., individual production lines in factories, tenant spaces in commercial buildings) to identify energy-saving opportunities.

3. Application Fields

• Industrial Manufacturing: Factory Energy & Power Quality Management:
  • Production Lines: Sub-meters energy consumption for individual lines (e.g., automotive assembly, electronics manufacturing)—0.5-class accuracy enables cost allocation; power quality analysis detects harmonics from VFDs that damage sensitive equipment (e.g., sensors, PLCs).
  • Motor Control Centers (MCCs): Monitors voltage/current for 400V/690V motor circuits—detects voltage unbalance (a leading cause of motor overheating); transient detection alerts operators to voltage sags that trigger unexpected motor trips.
• Commercial Buildings: Facility Energy Optimization:
  • Office Complexes: Sub-meters energy for tenant spaces, HVAC, and lighting—TOU logging helps manage peak demand charges; BACnet integration with BAS enables automated energy-saving measures (e.g., adjusting HVAC based on occupancy).
  • Retail Stores: Monitors power quality for refrigeration systems and lighting—detects voltage flicker that affects LED display performance; harmonics analysis identifies issues from POS systems or cash registers.
• Renewable Energy & Microgrids: Hybrid System Monitoring:
  • Small Solar PV Plants (≤50kW): Measures AC output power and harmonics from inverters—ensures compliance with local grid standards (e.g., limiting THD to <5%); optional DC measurement tracks PV string current/voltage for performance optimization.
  • Commercial Microgrids (e.g., hospital backup): Monitors energy flow between grid, PV, and battery storage—tracks self-consumption rates; detects grid transients that trigger backup generator activation.
• Water & Wastewater Utilities: Pump Station Monitoring:
  • LV Pump Stations: Monitors power consumption and voltage for 400V pump motors—identifies inefficient operation (e.g., high reactive power from unloaded pumps); power quality analysis detects voltage sags that cause pump failure, reducing maintenance costs.
  • Wastewater Treatment Plants: Sub-meters energy for aeration blowers and mixers—enables energy efficiency benchmarking; Modbus RTU integration with SCADA systems provides remote visibility of pump status.

The structure and details of the product：

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