Overview
The AB SPAU330 C1-AA is a Voltage Relay designed for overvoltage, undervoltage, and residual voltage protection. It provides reliable supervision of substation busbar voltages, transformers, motors, capacitor banks, and distribution networks.
Technical Specifications
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Model Number: SPAU330 C1-AA
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Type: Voltage Relay
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Manufacturer: ABB
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Application: Overvoltage, undervoltage, and residual voltage protection
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Operating Frequency: 50Hz
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Power Supply Voltage: 80-265 V DC/AC
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Fault Event Recording: Digital disturbance recorder module (optional)
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Communication Interface: Serial interface for two-way data communication
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Self-Supervision: Continuous hardware and software monitoring with auto-diagnosis
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Housing Material: Robust aluminum case
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Ingress Protection: IP54 (dust and water-resistant)
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Weight: 6.3 kg
Product Features
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SPAU330 C1-AA supervises substation busbar voltages, ensuring reliable protection for equipment.
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The relay monitors overvoltage, undervoltage, and residual voltage.
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An optional disturbance recorder module allows verification of protection relay operation and analysis of network quantities.
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The relay communicates with substation equipment via a fiber-optic bus and a serial interface.
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Continuous self-supervision of hardware and software enhances system reliability and availability.