ABB HESG324426R0001 REX010 Earth Fault Protection Unit | HESG324389
ABB HESG324426R0001 REX010 Earth Fault Protection Unit | HESG324389
Manufacturer: ABB
Product No.: HESG324426R0001
Condition:1000 in stock
Product Type: Earth Fault Protection Unit
Product Origin: 8541409000001
Payment: T/T, Western Union
Weight: 7350g
Shipping port: Xiamen
Warranty: 12 months
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- 30-Day Returns
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ABB REX010 Earth Fault Protection Unit - Advanced Ground Fault Detection
The ABB HESG324426R0001 REX010 (part number HESG324389) is a precision-engineered earth fault protection unit designed for mission-critical industrial control systems. This advanced protection relay delivers reliable ground fault detection for generator stator windings, rotating machinery, and high-voltage electrical systems in power generation, oil & gas, and process industries.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | HESG324426R0001 / HESG324389 |
| Product Series | REX010 Protection Relay |
| Manufacturer | ABB Switzerland |
| Input Voltage Range | 36-312 V DC |
| Operating Voltage | 82-312 V DC |
| Rated Frequency | 50 Hz |
| Insulation Voltage | 3200 V DC (I/O isolation) |
| Operating Temperature | 0°C to +55°C (32°F to 131°F) |
| Unit Weight | 7.35 kg (16.2 lbs) |
| Compliance Standards | EN/IEC 255 |
Advanced Protection Features
This earth fault protection unit employs pulse voltage injection technology to detect low-impedance ground faults in isolated neutral systems. The REX010 continuously monitors electrical networks and triggers protective actions when fault conditions exceed preset thresholds, preventing equipment damage and ensuring personnel safety.
Industrial Applications
- Power Generation: Generator stator winding protection in thermal, hydro, and combined-cycle plants
- Oil & Gas: Rotating equipment protection for compressors, pumps, and turbines
- Process Industries: Critical motor protection in chemical, pharmaceutical, and food processing facilities
- Marine & Offshore: Shipboard electrical system protection and offshore platform installations
System Integration & Compatibility
The HESG324426R0001 integrates seamlessly with ABB Advant OCS (Open Control System) platforms and legacy DCS architectures. Panel-mount or rack-mount installation options provide flexible deployment in control rooms and electrical substations. Terminal block connections support standard field wiring practices for rapid commissioning.
Diagnostic & Monitoring Capabilities
Built-in fault diagnostics enable predictive maintenance strategies by monitoring relay health, contact wear, and insulation resistance. LED status indicators and relay output contacts provide local and remote alarm signaling for SCADA integration.
Why Choose ABB REX010 Protection?
ABB's REX series protection relays are trusted worldwide for their proven reliability in harsh industrial environments. The HESG324426R0001 combines decades of protection engineering expertise with modern diagnostic capabilities, delivering superior fault detection accuracy and minimal false trip rates.
Related ABB Industrial Control Products
| Product | Description | Application | Link |
|---|---|---|---|
| ABB PM891K02 | AC 800M Controller | Process automation & control | View Product |
| ABB TB852 | RCU Link Terminator | 800xA DCS communication | View Product |
| ABB TK15 | Keyphasor Conditioner | Vibration monitoring systems | View Product |
© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191
Product Description
ABB REX010 Earth Fault Protection Unit - Advanced Ground Fault Detection
The ABB HESG324426R0001 REX010 (part number HESG324389) is a precision-engineered earth fault protection unit designed for mission-critical industrial control systems. This advanced protection relay delivers reliable ground fault detection for generator stator windings, rotating machinery, and high-voltage electrical systems in power generation, oil & gas, and process industries.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | HESG324426R0001 / HESG324389 |
| Product Series | REX010 Protection Relay |
| Manufacturer | ABB Switzerland |
| Input Voltage Range | 36-312 V DC |
| Operating Voltage | 82-312 V DC |
| Rated Frequency | 50 Hz |
| Insulation Voltage | 3200 V DC (I/O isolation) |
| Operating Temperature | 0°C to +55°C (32°F to 131°F) |
| Unit Weight | 7.35 kg (16.2 lbs) |
| Compliance Standards | EN/IEC 255 |
Advanced Protection Features
This earth fault protection unit employs pulse voltage injection technology to detect low-impedance ground faults in isolated neutral systems. The REX010 continuously monitors electrical networks and triggers protective actions when fault conditions exceed preset thresholds, preventing equipment damage and ensuring personnel safety.
Industrial Applications
- Power Generation: Generator stator winding protection in thermal, hydro, and combined-cycle plants
- Oil & Gas: Rotating equipment protection for compressors, pumps, and turbines
- Process Industries: Critical motor protection in chemical, pharmaceutical, and food processing facilities
- Marine & Offshore: Shipboard electrical system protection and offshore platform installations
System Integration & Compatibility
The HESG324426R0001 integrates seamlessly with ABB Advant OCS (Open Control System) platforms and legacy DCS architectures. Panel-mount or rack-mount installation options provide flexible deployment in control rooms and electrical substations. Terminal block connections support standard field wiring practices for rapid commissioning.
Diagnostic & Monitoring Capabilities
Built-in fault diagnostics enable predictive maintenance strategies by monitoring relay health, contact wear, and insulation resistance. LED status indicators and relay output contacts provide local and remote alarm signaling for SCADA integration.
Why Choose ABB REX010 Protection?
ABB's REX series protection relays are trusted worldwide for their proven reliability in harsh industrial environments. The HESG324426R0001 combines decades of protection engineering expertise with modern diagnostic capabilities, delivering superior fault detection accuracy and minimal false trip rates.
Related ABB Industrial Control Products
| Product | Description | Application | Link |
|---|---|---|---|
| ABB PM891K02 | AC 800M Controller | Process automation & control | View Product |
| ABB TB852 | RCU Link Terminator | 800xA DCS communication | View Product |
| ABB TK15 | Keyphasor Conditioner | Vibration monitoring systems | View Product |
© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191