ABB PCD231B 3HHE025541R0101: Detailed Overview
The ABB PCD231B 3HHE025541R0101 is a multifunctional protection and control relay designed for use in electrical power systems. It integrates advanced monitoring, protection, and communication features to ensure reliable operation of medium-voltage switchgear, transformers, and distribution networks. This device is widely utilized in industrial, commercial, and utility applications due to its adaptability, precision, and robust performance.
Key Features
The PCD231B relay supports a comprehensive range of protection functions, including overcurrent, earth fault, and thermal overload protection. It also offers automation capabilities, such as load shedding and circuit breaker control. Equipped with a user-friendly interface and communication protocols like IEC 61850 and Modbus, it enables seamless integration into modern smart grid systems.
Technical Parameters
Below is a summary of the key technical specifications:
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Parameter
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Specification
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Supply Voltage
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24–250 V DC / 48–265 V AC
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Current Inputs
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1 A or 5 A (configurable)
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Protection Functions
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Overcurrent, Earth Fault, Thermal Overload, Undervoltage/Overvoltage
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Communication Protocols
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IEC 61850, Modbus RTU/TCP, DNP3.0
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Operating Temperature
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-25°C to +70°C
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Relay Outputs
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6 programmable relays (NO/NC contacts)
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Display
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LCD with backlight
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Certifications
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IEC 60255, UL 508, CE, RoHS
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Applications
The PCD231B is ideal for protecting and controlling electrical assets in substations, renewable energy systems, and industrial plants. Its modular design allows customization to meet specific application requirements, while its rugged construction ensures durability in harsh environments.
Advantages
This relay enhances system reliability by providing real-time diagnostics and fault recording. Its compatibility with industry-standard protocols facilitates remote monitoring and integration into SCADA systems. Additionally, the device’s compact size and energy-efficient operation reduce installation and maintenance costs.
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