Description
ABB SPAJ 110C / SPAJ 110 C-AA / RS 41 010-AA REV. A
Substation Automation Protection Relay
Rated Supply Voltage: 80–265 V AC/DC
🔗 Product Link: www.dcsplcsystem.com
Product Introduction
The ABB SPAJ 110C (including variants SPAJ 110 C-AA and RS 41 010-AA REV. A) is a robust substation automation protection relay designed for dependable protection, supervision, and control of electrical power systems. It is widely applied in medium- and high-voltage substations where operational reliability, electrical accuracy, and long-term stability are essential.
This relay integrates protection logic with monitoring functions, supporting safe and efficient operation of feeders, transformers, and auxiliary power circuits within substations.
Product Parameters
| Parameter | Specification |
|---|---|
| Product Type | Substation Protection Relay |
| Model | SPAJ 110C |
| Variant Codes | SPAJ 110 C-AA / RS 41 010-AA REV. A |
| Rated Supply Voltage | 80–265 V AC/DC |
| Protection Function | Feeder and system protection |
| Measurement Type | Electrical current and voltage supervision |
| Output Contacts | Industrial relay outputs |
| Mounting Method | Panel mounting |
| Control Interface | Front panel indicators and settings |
| Operating Environment | Substation and industrial environments |
Product Datasheet (Technical Overview)
- Wide-range auxiliary power supply (80–265 V AC/DC)
- Designed for substation protection and automation tasks
- High immunity to electrical interference
- Clear front-panel indication for status and alarms
- Stable performance for continuous operation
- Proven electromechanical and electronic protection design
Country of Origin
Manufacturer: ABB
Country of Origin: Finland / European Union (ABB global manufacturing standard)
Application Fields
⚡ Power Substations
🏭 Industrial Power Distribution Systems
🔌 Medium-Voltage Feeder Protection
🏗 Infrastructure and Utility Networks
🚢 Marine and Industrial Power Systems
🏢 Energy and Utility Control Panels
Product Usage Instructions
- Ensure all primary and auxiliary power sources are disconnected before installation.
- Mount the relay securely on the substation control panel.
- Connect current and voltage inputs according to the protection scheme.
- Wire auxiliary supply (80–265 V AC/DC) to the designated terminals.
- Configure protection settings and time delays as required.
- Perform functional testing before energizing the protected circuit.
⚠️ Installation and commissioning should be carried out by qualified protection engineers.
Product Technical Description
The ABB SPAJ 110C protection relay provides reliable protection by continuously monitoring electrical parameters and initiating corrective actions during abnormal conditions. Its wide auxiliary voltage range allows flexible installation across various substation designs.
The relay’s construction emphasizes durability, accurate measurement, and operational clarity, making it suitable for long-term deployment in critical power infrastructure. Its modular internal design supports stable protection behavior even under fluctuating supply and load conditions.
Frequently Asked Questions (FAQ)
Q1: What is the main purpose of the SPAJ 110C relay?
A1: It provides protection and supervision for electrical feeders and substation equipment.
Q2: What auxiliary voltage range does it support?
A2: It operates with a wide auxiliary supply range of 80–265 V AC/DC.
Q3: Is this relay suitable for continuous substation operation?
A3: Yes, it is designed for long-term, continuous operation in substation environments.
Q4: Can it be integrated into existing ABB protection panels?
A4: Yes, it is compatible with ABB substation automation and protection systems.
Q5: Does it require regular maintenance?
A5: Routine inspection and functional testing are sufficient to ensure reliable operation.
If you’d like, I can also prepare a detailed setting guide, comparison with other ABB SPA series relays, or a catalog-style datasheet layout with clear icons ⚡📘.
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E-mail: dcsplcsales@gmail.com
Contact Person: Simon
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