◆◇◆ Functionality & System Integration ◆◇◆
The DCF503-0050 is a compact, high-precision current sensor engineered by ABB for real-time monitoring and protection in electrical distribution systems. It provides accurate measurement of AC/DC currents, enabling energy management, fault detection, and load balancing in industrial and commercial installations. Designed for seamless integration into power distribution panels, motor control centers (MCCs), and smart grid systems, it supports critical applications such as circuit protection, energy auditing, and predictive maintenance. Its robust design and compatibility with ABB’s automation suites make it indispensable in factories, data centers, renewable energy plants, and infrastructure requiring reliable, scalable current sensing.
◼◼ TECHNICAL SPECIFICATIONS ◼◼
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Parameter
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Details
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Current Range
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0–50 A AC/DC (measurable with ±0.5% accuracy)
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Output Signal
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4–20 mA analog / Modbus RTU digital (selectable via DIP switches)
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Power Supply
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24V DC (±15%) or 85–265V AC (universal input)
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Frequency Range
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45–65 Hz (AC) / DC compatibility
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Isolation Voltage
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2.3 kV RMS (enhanced safety for high-voltage environments)
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Operating Temp
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-25°C to +70°C (stable performance in extreme conditions)
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Certifications
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CE, UL, IEC 61869-2 (current transformer standards)
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◼◼ CORE FEATURES ◼◼
🔹 Precision Measurement
- True RMS Detection: Accurately measures distorted or nonlinear current waveforms.
- Zero-Drift Technology: Maintains calibration stability over long-term operation.
🔹 Versatile Integration
- Dual Output Modes: Switch between analog (4–20 mA) and digital (Modbus) signals.
- Plug-and-Play Design: DIN rail mounting (35 mm) for quick installation in control cabinets.
🔹 Enhanced Safety
- Galvanic Isolation: Prevents ground loops and protects downstream devices from surges.
- Overload Protection: Withstands 20x rated current for 1 second without damage.
🔹 Smart Diagnostics
- LED Status Indicators: Visual alerts for power supply, signal health, and fault conditions.
- Self-Test Function: Automated startup diagnostics to ensure operational readiness.
◼◼ APPLICATION SYSTEMS ◼◼
- Industrial Automation: Monitors motor loads and prevents overheating in production lines.
- Renewable Energy: Tracks inverter output currents in solar/wind farms for grid compliance.
- Building Management: Integrates with BMS for real-time energy consumption analytics.
- Data Centers: Safeguards critical power distribution units (PDUs) from overloads.
- Transportation: Ensures reliable current sensing in EV charging stations and rail systems.
◼◼ INNOVATIVE DESIGN HIGHLIGHTS ◼◼
- Ultra-Slim Profile: Space-saving design for dense panel layouts.
- Multi-Layer Shielding: Minimizes EMI/RFI interference for signal integrity.
- Configurable Alarms: Programmable thresholds via Modbus for proactive fault management.
◼◼ SOFTWARE & INTEROPERABILITY ◼◼
- ABB Ability™ Compatibility: Syncs with ABB’s cloud-based analytics platforms for predictive insights.
- Third-Party PLC Integration: Pre-mapped registers for Siemens, Schneider, and Allen-Bradley systems.
- Firmware Upgrades: Field-updatable via USB or Modbus interface.
Combining precision, durability, and IoT-readiness, the DCF503-0050 redefines current sensing in modern electrical ecosystems. Its hybrid analog/digital architecture bridges legacy systems and smart infrastructure, making it a cornerstone of ABB’s vision for sustainable, data-driven energy management.
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