Description
⚙️ Product Specifications
- Model: 469-P5-HI-A20-E-H
- Device Type: Motor Management Relay
- Phase Current (P5): 5 A Secondary CT Input
- Power Supply (HI): 88–265 VAC / 110–300 VDC
- Communications (A20): RS485 (Front & Rear) + RS232 (Front)
- Features (E): Ethernet (10BaseT)
- Hardware (H): Harsh Environment Conformal Coating
- Protection Functions: Thermal Modeling, Stator Differential, Undervoltage/Overvoltage, Current Unbalance, Ground Fault, and RTD Temperature Monitoring
The 469-P5-HI-A20-E-H is a sophisticated protection relay designed specifically for medium and large AC motor systems. It utilizes advanced thermal modeling and integrated metering to prevent mechanical stress and insulation failure, providing a comprehensive safety barrier for critical industrial rotating equipment. By combining high-speed protection with Ethernet connectivity and environmental shielding, this unit ensures reliable operational status reporting and long-term hardware integrity in challenging industrial site conditions.
🔍 Differentiation from Similar Models
This specific configuration excels compared to standard 469 models due to the inclusion of the “H” (Harsh Environment) suffix, which provides critical protection against corrosive gases and high-humidity atmospheres that often lead to internal board failure. Unlike units lacking the “E” suffix, this model provides native Ethernet integration, facilitating faster data polling and seamless integration into modern plant-wide SCADA or DCS networks without the need for additional serial-to-ethernet converters.
🌟 Recommended GE Motor Protection Series
- 369 Series (Motor Management Relay)
- 750 Series (Feeder Management Relay)
- 760 Series (Feeder Management Relay)
- 869 Series (Motor Protection System)
- 850 Series (Feeder Management Relay)
- 269 Plus Series (Motor Relay)
- 339 Series (Motor Protection Relay)
- SR 489 (Generator Management Relay)
- SR 745 (Transformer Management Relay)
- Multilin 735/737 (Feeder Relay)
