GE 531X121PCRALG1
GE 531X121PCRALG1 is a legacy GE (General Electric) industrial automation module used in power system monitoring and control applications. It belongs to the GE Harris WESDAC D20 RTU (Remote Terminal Unit) family and is associated with D20A-type I/O and communication systems.
Product Description
- Manufacturer: GE / GE Harris
- Model: 531X121PCRALG1
- Product Type: WESDAC D20A module / RTU control module
- System Family: GE Harris D20 RTU
- Application: Substation automation, power distribution monitoring, SCADA systems
Technical Features
- Designed for integration into D20A remote terminal unit systems
- Supports industrial data acquisition and control functions
- Used for communication between field devices and supervisory control systems
- Provides reliable operation in power utility environments
- Suitable for legacy SCADA system maintenance and replacement applications
Typical Applications
- Electrical substations
- Power transmission and distribution systems
- SCADA monitoring networks
- Remote equipment control
- Industrial automation systems
Replacement & Maintenance
The GE 531X121PCRALG1 series has been discontinued in many markets and is mainly maintained through refurbished, surplus, or spare-part channels. It is commonly replaced or supported in existing GE Harris D20 installations.
Product Summary
GE 531X121PCRALG1 is a reliable legacy WESDAC D20A RTU module widely used in power automation and SCADA applications. It remains valuable for users maintaining existing GE Harris D20 systems that require compatible spare modules for long-term operation.
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