ABB SPAU330 C1-AA | Multifunctional Medium/High Voltage Relay
Manufacturer: ABB
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Part Number: SPAU330 C1-AA
Condition：New with Original Package
Product Type: Multifunctional Medium/High Voltage Relay
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB SPAU330 C1-AA – Voltage Protection Relay
The ABB SPAU330 C1-AA is a multifunctional voltage protection relay from the SPACOM series. It monitors and protects medium- and high-voltage systems, ensuring stability against overvoltage, undervoltage, and residual voltage conditions.
This relay features programmable logic, LED indicators, numeric displays, and manual or automatic reset options. Its optical fiber communication interface integrates seamlessly with SPA-ZC bus modules for remote monitoring and control. The device is ideal for substations, industrial power distribution, and utility grids requiring precise protection and reliable operation.
Technical Specifications
| Feature | Description |
|---|---|
| Model | SPAU330 C1-AA |
| Series | SPACOM Protection Relay |
| Function | Voltage monitoring and protection (overvoltage, undervoltage, residual voltage) |
| Rated Voltage | 100 V / 110 V / 120 V AC |
| Rated Frequency | 50/60 Hz |
| Power Consumption | ≤ 10 VA |
| Protection Stages | U> (Overvoltage), U< (Undervoltage), U₀> (Residual voltage), U₀>> (High residual voltage) |
| Alarm Outputs | Relay B: U₀>>, U>, U<; Relay C: U>; Relay D: U<; Relay E: U₀>; Relay F: Self-supervision |
| Display & Controls | Numeric display, STEP & RESET buttons, LED indicators (yellow for start, red for trip), manual/automatic reset |
| Communication Interface | Optical fiber via 9-pin D-type connector, compatible with SPA-ZC bus modules |
| Auxiliary Supply Voltage | 24–250 V DC or 100–240 V AC (marked on front panel) |
| Mounting | Panel-mounted with rear terminal access |
| Operating Temperature | –10°C to +55°C |
| Storage Temperature | –40°C to +70°C |
| Certifications | CE, IEC standards for protective relays |