Power System Voltage Protection Solution – ABB SPAU130C-AA | SPAU 130 Series
Where This Product Is Used
The ABB SPAU130C-AA (also referenced as SPAU 130 C-AA) is a dedicated voltage protection relay engineered for critical power distribution and generation applications. Engineers and plant operators specify this relay across the following environments:
- Medium-voltage switchgear panels – Protects busbars and feeders from sustained over/undervoltage conditions that degrade insulation and connected equipment.
- Generator protection systems – Monitors terminal voltage to trip generators before voltage excursions cause winding damage or grid instability.
- Industrial motor control centers (MCC) – Prevents motor stall and overheating caused by low-voltage supply during peak demand periods.
- Utility substation automation – Integrates into SCADA-linked protection schemes for automatic fault isolation and alarm signaling.
- Renewable energy tie-in protection – Detects islanding conditions and abnormal voltage at PV or wind farm grid connection points.
- Marine & offshore power systems – Provides voltage supervision on vessel distribution boards where supply quality is critical to safety systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Model / SKU | SPAU130C-AA (SPAU 130 C-AA) |
| Manufacturer | ABB |
| Series | SPAU 130 |
| Function | Undervoltage (27) & Overvoltage (59) Protection |
| Rated Voltage Input | 100 / 110 / 115 / 120 V AC |
| Measuring Range | 10–170% of rated voltage |
| Operating Stages | Two independent stages (U> and U<) |
| Time Delay | Definite time (DT), adjustable |
| Output Contacts | Trip relay + signal relay (potential-free) |
| Auxiliary Supply | 24–250 V DC / 48–230 V AC |
| Communication | SPA-bus (serial protocol) |
| Mounting | Flush panel / rack 19″ |
| Weight | 1,240 g |
| Approvals | CE, IEC 60255 |
Why Engineers Specify This Model
- Dual-function protection in one unit – Combines overvoltage (59) and undervoltage (27) supervision, reducing panel space and wiring complexity versus two separate relays.
- SPA-bus communication – Native ABB serial protocol enables seamless integration with ABB SPACOM, MicroSCADA, and third-party RTUs via protocol converters.
- Wide auxiliary supply range – Operates reliably from 24 V DC battery-backed UPS to 230 V AC panel supply, eliminating the need for separate power converters.
- Proven ABB SPAU platform – Part of ABB’s established SPAU 130 relay family, with decades of field-proven reliability in utility and heavy industrial environments.
- Adjustable time delays – Definite-time characteristic allows coordination with upstream and downstream protection devices to achieve selective tripping.
Complete System Bill of Materials
For a complete voltage protection scheme using the SPAU130C-AA, engineers typically specify the following companion components:
- Voltage Transformer (VT / PT) – 11 kV / 110 V or project-specific ratio
- ABB SACO 16 D1 – Auxiliary relay module for output contact expansion
- ABB SPTE 3E5 – Test switch for in-service relay testing without disconnection
- ABB REF 542plus or SPACOM – Bay control unit for SPA-bus integration
- 24 V DC UPS / battery charger – Auxiliary supply backup for trip reliability
- Panel-mount terminal blocks – Phoenix Contact or equivalent, rated 10 A / 600 V
Compliance & Industry Standards
- IEC 60255 – Measuring relays and protection equipment
- IEC 61000-4 – Electromagnetic compatibility (EMC) immunity
- CE Marking – Conformity with EU Low Voltage and EMC Directives
- ANSI/IEEE C37.90 – Relays and relay systems associated with electric power apparatus
Quality Assurance & Sourcing
Konmask.com sources the ABB SPAU130C-AA through verified industrial automation distributors and authorized surplus channels. Every unit undergoes the following before dispatch:
- Visual inspection for physical damage, label integrity, and original packaging condition
- Functional power-on verification where test equipment permits
- Serial number and firmware version documentation
- Anti-static packaging with humidity indicator card for international shipment
We supply both new-in-box (NIB) and tested surplus units. Condition is clearly stated on each listing. All items ship with a Konmask inspection certificate.
How to Source This Part
Ready to order the ABB SPAU130C-AA? Here’s how to proceed:
- Add to cart – Immediate checkout for in-stock units.
- Request a quote – For bulk orders (> 3 units) or project-specific lead time requirements, email support@konmask.com.
- Expedited sourcing – If the item shows as out of stock, contact us. We maintain an active sourcing network for ABB SPAU series relays.
- Technical pre-sales support – Our engineers can confirm compatibility with your existing ABB protection scheme before purchase.
Application-Specific FAQ
Q: Can the SPAU130C-AA replace an older SPAU 130 B-AA unit?
A: In most cases yes — the SPAU 130 C-AA is a later revision with enhanced EMC performance. Verify auxiliary supply voltage and output contact ratings against your panel design before substitution.
Q: Does this relay support three-phase voltage measurement?
A: The SPAU130C-AA measures single-phase voltage (phase-to-phase or phase-to-neutral). For three-phase supervision, three units or an ABB SPVJ relay should be considered.
Q: What communication protocol does the SPAU130C-AA use?
A: It uses ABB’s proprietary SPA-bus (serial) protocol. Integration with IEC 61850 or Modbus systems requires an ABB SPA-ZC protocol converter.
Q: Is a test switch required for installation?
A: ABB recommends the SPTE 3E5 test switch to allow safe in-service testing and relay replacement without de-energizing the panel.
Q: What is the typical lead time for this part?
A: In-stock units ship within 1–3 business days. For sourced units, typical lead time is 5–15 business days depending on origin. Contact us for project-critical timelines.
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