ABB PP875M

**ABB PP875M Product Introduction**
**1. Product Overview**
**Model**: PP875M  
**Series**: ABB Protection Relay Series  
**Type**: Multi-function Digital Protection Relay  
**Applications**: Medium-voltage distribution systems (6.6kV-36kV), transformer protection, motor protection, feeder protection
**2. Key Features**
a. Comprehensive Protection Functions**
- Overcurrent protection (instantaneous/definite-time/inverse-time)
- Earth fault protection (directional/non-directional)
- Transformer differential protection (87T function)
- Motor thermal overload protection (49RMS)
b. Advanced Monitoring**
- Power quality monitoring (THD≤3%)
- Fault recording (128 cycles)
- SOE event logging (1ms timestamp accuracy)
c. Flexible Communication**
- Dual Ethernet ports (IEC 61850 MMS/GOOSE)
- Supports DNP3.0, Modbus TCP protocols
- Optional fiber optic interface (ST/LC)
**3. Technical Specifications**
| **Category**       | **Specification**                          |
|----------------|----------------------------------|
| **Rated Input**   | 1A/5A CT, 110V/220V PT           |
| **Measurement Accuracy**   | Current ±0.5%, Voltage ±0.2%             |
| **Power Supply**   | 24-250V DC/AC (wide range)          |
| **Environmental Class**   | -40°C~+70°C (IEC 60068-2 standard)   |
| **Mechanical Life**   | >100,000 operations                   |
**4. Typical Applications**
- **Substations**: 10kV feeder protection
- **Petrochemical Plants**: High-voltage motor protection
- **Mining**: Main transformer differential protection
- **Data Centers**: Emergency power system protection
**5. Model Comparison**
| **Model**    | **PP875M** | **PP886** |
|------------|-----------|-----------|
| **Protection Functions**| 32 types       | 48 types       |
| **Communication**    | Dual Ethernet   | Quad Ethernet + Fiber|
| **Certifications**    | IEC 60255 | IEC 60255+SIL3|
**6. Configuration Tools**
- **Relion® 615 Series Configuration Software**
- **PCM600 Engineering Tool**
- **ABB Ability™ EDCS Remote Management**
**7. Certifications**
- **Safety**: IEC 60255-27
- **EMC**: IEC 61000-6 series
- **Seismic**: IEC 60255-21-3 (5g)
**Contact us if you need this product!**