Product Description
Product Overview
| Parameter | Details |
|---|---|
| Part Number | B90-B9M-15C |
| Product Name | B90 Line Differential Protection Relay |
| Application | Line differential protection for transmission and distribution lines, providing fast and secure fault detection in utility and industrial power systems |
| Compatibility | Compatible with GE Multilin B90 series relays, IEC 61850 GOOSE messaging, and SCADA integration |
| Function | Protects against internal faults on transmission lines using phase-segregated differential elements, supports series-compensated lines and CT saturation detection |
Functional Specifications
| Parameter | Details |
|---|---|
| Current Inputs | 1 A or 5 A (configurable phase and ground CTs) |
| Voltage Inputs | 4 (optional, 1 A or 5 A) |
| Control Power Supply | 24-48 V DC or 125-250 V DC/AC |
| Communication Ports | 2 rear RS485, front USB; supports Modbus, DNP3, IEC 61850 |
| Binary Inputs | 12 (configurable) |
| Output Relays | 8 form-C contacts |
| Metering Capabilities | Voltage, current, power, energy, frequency, demand |
| Protection Features | Line differential, overcurrent, under/over voltage/frequency, breaker failure, CT saturation detection |
| Event Recording | Up to 1024 events with 1 ms resolution |
| Operating Temperature | -40°C to +85°C |
| Dimensions | 19" rack-mountable, 4U height (approximately 7" H x 19" W x 6" D) |
| Weight | Approximately 10 lbs (4.5 kg) |
| Certifications | CE marked; UL, CSA, FCC compliant |
| Standards Compliance | IEC 60255, IEEE C37.90, IEEE C37.94 compliant for protective relays |
Ordering Information
| Parameter | Details |
|---|---|
| Part Number Configuration | B90 (Base Model), B9M (Medium I/O), 15C (15 inputs, 8 outputs, Modbus/DNP3) |
| Available Options | Enhanced models (B9H for high I/O), fiber-optic communication, conformal coating for harsh environments |
| Customization | Configurable via EnerVista UR Setup software; firmware updates for specific protection schemes |