Description
ABB REJ601 BD446NN1XG
Technical Specifications:
- Product Family: Relion 600 Series (Legacy).
- Order Code: BD446NN1XG.
- Communication: Typically supports IEC 60870-5-103 and Modbus; IEC 61850 support depends on the exact vintage.
Functional Features:
- Basic Protection: Overcurrent, earth fault, and thermal overload.
- Control: Circuit breaker control and auto-reclosing.
- Metering: Basic current, voltage, and power measurement.
Application Scenarios:
- Existing substations requiring maintenance or replacement of legacy REJ601 units.
- Industrial plants with older protection infrastructure.
Material Composition & Structural Characteristics:
- Form Factor: Older generation plug-in module design.
- Display: Basic alphanumeric LCD with navigation keys.
Working Principle:
Digital signal processing of analog inputs to execute standard protection functions.
Installation Requirements:
- Ensure compatibility with existing station batteries and trip circuits.
- Verify communication protocol compatibility with the existing SCADA system.
Usage Precautions:
- Lifecycle Status: The REJ601 is a legacy product; plan for eventual migration to modern Relion 615/620 platforms.
- Spare parts availability is limited; maintain strategic spares for critical applications.
- Consult ABB for migration guides and backward-compatible configuration tools.
