Products Description
ABB HIEE205010R0001 UNS3020A-Z V1 Unitrol Fault Protection Relay
The ABB HIEE205010R0001 UNS3020A-Z V1 is an advanced fault protection relay designed for industrial power systems. It monitors voltage, current, and operational parameters to detect abnormal conditions, such as overcurrent, short-circuit, or ground faults, and initiates protective actions to safeguard equipment.
Engineered for ABB Unitrol platforms, this relay provides fast response, reliable fault detection, and high system integrity, ensuring that critical machinery remains protected under demanding industrial environments.
With over 50 million in inventory, PLC EXPORT delivers only brand-new, authentic components- ready to ship,
rigorously tested, and backed by professional technical support.
Our address
32D Guomao Building, Siming District, Xiamen, Fujian, China
Phone Number(Whatsapp)
+86-18020714492
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Functional Role in Electrical Systems
Power Source → Unitrol Fault Protection Relay → Circuit Breakers / Switchgear
The UNS3020A-Z relay performs the following functions:
- Monitors electrical signals in real-time
- Detects faults such as overcurrent, overload, and phase imbalance
- Activates trip commands to protective devices
- Logs fault events for diagnostic purposes
- Supports integration with Unitrol automation and control systems
By providing centralized fault protection, the relay ensures rapid isolation of abnormal conditions to minimize equipment damage and system downtime.
Key Features
- Multiple fault detection channels for comprehensive protection
- Fast, deterministic response for critical electrical events
- Continuous monitoring with high reliability
- Compact, modular design for control cabinet or panel mounting
- Designed for ABB Unitrol power management and automation systems
- Supports fault logging for maintenance and troubleshooting
Engineering Advantage: Reduces risk of equipment failure by providing precise, real-time protective actions.
Operational Benefits
◆ Enhances electrical system safety and reliability
◆ Minimizes equipment downtime and maintenance costs
◆ Provides clear diagnostic information for faster fault resolution
◆ Integrates seamlessly into Unitrol control systems
◆ Supports both retrofit and new installations
This makes the UNS3020A-Z ideal for industrial facilities where power continuity and system protection are critical.
Product Identification
| Parameter | Specification |
|---|---|
| Product Type | Fault Protection Relay |
| Model | UNS3020A-Z V1 |
| ABB Part Number | HIEE205010R0001 |
| Function | Real-time fault monitoring and protective tripping |
| Monitoring | Overcurrent, overload, phase imbalance, ground fault |
| System Compatibility | ABB Unitrol power systems |
| Mounting | Control cabinet or panel |
| Operation | Continuous monitoring |
| Logging | Fault event recording and diagnostics |
| Manufacturer | ABB |
Typical Applications
- Protection of motors, transformers, and generators
- Integration with industrial switchgear and circuit breakers
- Power distribution and monitoring in manufacturing plants
- Critical process industries (chemical, petrochemical, energy)
- Upgrades or replacement of legacy Unitrol relay units
The relay is particularly effective in applications where fast, reliable fault detection is essential.
Installation & Integration
The UNS3020A-Z is installed in the control cabinet or switchgear panel. Connect current and voltage sensors to the module. Once integrated, it continuously monitors electrical parameters and triggers protective trips in the event of anomalies, helping prevent equipment damage and unplanned downtime.
Supply & Warranty
ABB HIEE205010R0001 relays are supplied with:
- Verification of model and system compatibility
- Functional inspection before shipment
- Industrial-grade protective packaging
- Worldwide shipping support
- One-year warranty only
MORE OPTIONS
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| SCHNEIDER | 140ARI03010C | SIEMENS | C98043-A7004-L2 |
| SCHNEIDER | 140ARI03010 | SIEMENS | C98043-A7002-L4-12 |
| SCHNEIDER | 140AMM09000 | SIEMENS | C98043-A1601-L4 |
| SCHNEIDER | 140AII33010 | SIEMENS | C8451-A1-A197 |
| SCHNEIDER | 140ACO13000C | SIEMENS | C79-458-L7000-B315 |
| SCHNEIDER | 140ACO13000 | SIEMENS | C79451A3474B1-14 |
Common Problems
Q1: What types of faults does the UNS3020A-Z detect?
It detects overcurrent, overload, phase imbalance, and ground faults in power systems.
Q2: Can this relay operate continuously in industrial environments?
Yes. It is designed for continuous 24/7 monitoring under harsh conditions.
Q3: Is it compatible with legacy Unitrol systems?
Yes. It can replace or upgrade older Unitrol relay modules.
Q4: Does it provide fault event logging?
Yes. All detected faults are recorded for diagnostic and maintenance purposes.
Q5: Can it be used for both motors and distribution equipment protection?
Yes. The relay is suitable for motors, transformers, generators, and distribution panels.
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