ABB SPAE010 High Impedance Protection Relay

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1. Product Overview

The ABB SPAE010 is a high impedance protection relay designed for transformer differential protection or selective line fault protection. Based on the high-impedance differential principle, it accurately distinguishes between internal and external faults, providing fast and precise protection to ensure safe and stable operation of power systems.

2. Technical Specifications

• Model: SPAE010

• Type: High Impedance Protection Relay

• Protection Objects: Transformers, lines

• Rated Voltage: 110–220 V AC/DC

• Rated Current: Customizable according to CT/VT

• Trip Characteristic: High impedance differential protection

• Trip Time: Fast response, typically ≤ 50 ms

• Control Output: Relay output for tripping or alarm

• Display & Operation: Indicator lights + push-button control

• Mounting: Panel-mounted or DIN rail

• Operating Temperature: ‑20 °C to +60 °C

• Protection Rating: IP52

• Standards: IEC 60255

3. Key Advantages & Features

1. High Sensitivity & Selectivity – Accurately detects internal transformer faults.

2. Fast Protection Action – Millisecond-level response.

3. High Reliability – Industrial-grade components withstand harsh environments.

4. Flexible Mounting – Supports panel or rail mounting for easy installation.

5. Simple Operation – Intuitive indicator lights and push-button controls.

6. Applicable to Multiple Systems – Suitable for transmission lines, distribution networks, transformers, and critical equipment protection.

4. Typical Applications

• Transformer differential protection

• Transmission and distribution line fault protection

• Power plant and substation protection

• Industrial power distribution protection

• Integration with SCADA and automation systems

5. Installation & Usage Notes

1. Power Matching – Ensure relay input voltage matches site supply.

2. Proper Wiring – Connect CT/VT inputs and relay outputs per wiring diagram.

3. Environmental Conditions – Avoid high humidity, dust, and corrosive environments.

4. Regular Testing – Periodically verify relay status and operation.

5. Secure Mounting – Ensure relay is firmly fixed to prevent vibration affecting trip accuracy.