$ 308.66
Phoenix Contact EMD-FL-3V-230 ensures 3-phase safety. Detects undervoltage, phase loss, and asymmetry to protect motors and automation systems.
The Phoenix Contact EMD-FL-3V-230 voltage monitoring relay delivers reliable protection for three-phase power systems. It continuously checks for undervoltage, incorrect phase sequence, phase failure, and voltage imbalance, ensuring smooth and secure operation. With its wide supply voltage range from 24 to 240 V AC/DC, the relay adapts easily to different installations. Designed to meet modern demands in automation, plant engineering, and electrical systems, it helps maintain efficiency while reducing the risk of costly equipment damage or downtime. Compact, robust, and easy to configure, it is a dependable solution for demanding industrial environments.
Engineered for industrial reliability, the Phoenix Contact EMD-FL-3V-230 relay combines advanced detection features with user-friendly operation. Two changeover contacts provide flexible integration into control systems, while front-panel adjustments make setup straightforward. Visual LED indicators instantly display operating states, helping technicians respond quickly to issues. Its adjustable thresholds and response delays allow tailored protection against short-term fluctuations, safeguarding motors, drives, and sensitive components. By reducing unexpected shutdowns and prolonging equipment life, this relay supports stable production, lower maintenance costs, and greater confidence in critical applications such as automation lines, power distribution, and mechanical systems.
The Phoenix Contact EMD-FL-3V-230 stands out for its ability to provide full-spectrum protection in three-phase networks. With adjustable thresholds, asymmetry detection, and instant LED status feedback, it offers engineers a flexible tool to prevent small power issues from becoming major breakdowns. Its compact DIN-rail design and wide input range make it an easy yet powerful choice for safeguarding industrial systems.
Unstable voltage, phase loss, and sequence errors are common causes of equipment damage and costly downtime. The EMD-FL-3V-230 solves these challenges by continuously monitoring three-phase supply quality and shutting down unsafe conditions before they escalate. By preventing motor failures, drive disruptions, and production interruptions, it ensures higher reliability, reduces maintenance needs, and helps operators maintain uninterrupted performance in demanding industrial environments.
| Feature | Details | Benefit |
|---|---|---|
| Monitoring Functions | Undervoltage, window range, phase failure, phase sequence, asymmetry | Ensures safe and reliable system operation |
| Supply Voltage Range | 24…240 V AC/DC | Flexible installation in diverse power environments |
| Response Delay | Adjustable 0.1…10 s | Customizable protection against short-term fluctuations |
| Contacts | 2 changeover contacts, floating | Versatile integration into automation circuits |
| Accuracy | ±5% basic accuracy, ≤2% repeat accuracy | Reliable and consistent monitoring performance |
| Operating Life | 2 × 10⁷ mechanical cycles | Long-lasting performance, reduced maintenance |
| Mounting Type | DIN rail NS 35 | Quick and standardized installation |
| Protection Class | IP40 housing, IP20 terminals | Safe operation in industrial environments |
| Operating Temperature | -25 °C … +55 °C | Suitable for a wide range of applications |
| Standards & Approvals | CE, UL Listed, cUL | Certified compliance for global use |
Download Phoenix Contact EMD-FL-3V-230 (2885773) Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4046356100786 |
| Customs Tariff Number | 85364900 |
| Weight (per piece) | 164.9 g |
| Country of Origin | Austria (AT) |
1. Motor and Pump Protection in Water Facilities
Large pumps in treatment plants rely on stable three-phase power to keep water flowing. If one phase fails or voltage becomes unbalanced, motors can overheat or seize. The EMD-FL-3V-230 ensures continuous monitoring of voltage quality and disconnects the load before damage occurs. Its adjustable delay setting filters out brief dips while still reacting to persistent issues, protecting equipment and preventing costly service interruptions in critical water supply operations.
2. Reliable HVAC Operation in Commercial Buildings
Air-handling units and chillers in modern buildings use heavy three-phase compressors and fans. Incorrect phase rotation, undervoltage, or loss of a line can cause motors to run inefficiently or fail entirely. By installing a voltage monitoring relay, building managers gain early detection of faults and automatic shutdown in unsafe conditions. The EMD-FL-3V-230 verifies phase sequence, monitors asymmetry, and provides quick status indication, ensuring HVAC systems remain dependable while reducing unplanned maintenance.
3. Generator Safety in Backup Power Systems
Industrial facilities often depend on standby generators to maintain operations during grid outages. Before connection, the generator must match the correct voltage and phase sequence to avoid severe equipment damage. The EMD-FL-3V-230 continuously checks for undervoltage, phase errors, or line loss, enabling safe synchronization with transfer switches. Its flexible input range and robust contact outputs make it well suited to integrate with automatic generator controls, preventing misalignment and securing critical backup supply.
4. Power Quality Monitoring in Renewable Energy Installations
In solar and wind farms, inverters produce three-phase power that must remain balanced to feed into the grid. Faults in converters or cables can lead to unstable or missing phases, risking efficiency loss and grid disconnection. The EMD-FL-3V-230 tracks undervoltage and asymmetry in real time, triggering alarms or system cut-off when limits are exceeded. With its clear LED indicators and adjustable thresholds, technicians can ensure renewable systems run smoothly and remain compliant with safety standards.
| Category | Model / Series | Part Number | Benefits / Use Case |
|---|---|---|---|
| Voltage Monitoring Relays (Similar Models) | EMD-FL-1V-230 | 2882203 | Single-phase monitoring version for simpler applications |
| EMD-FL-2V-230 | 2882216 | Two-phase monitoring relay, compact installations | |
| EMD-FL-3V-400 | 2885786 | Three-phase version for 400 V networks | |
| Mounting Accessories | DIN Rail NS 35/7.5 | 1201735 | Standard rail for quick, safe relay installation |
| End Bracket CLIPFIX 35 | 3022276 | Secures relays on DIN rail to prevent shifting | |
| Connection Accessories | Screw Terminal Blocks ST Series | Various | Ensures reliable wiring connections for relay circuits |
| Shielded Cable Ferrules | Various | Protects wire ends, improves long-term connection integrity | |
| Protection Accessories | Circuit Breaker CB TM1 Series | Various | Protects relay and connected loads from overcurrent |
| Complementary Monitoring Devices | EMD-BL Series | Various | Compact relays for basic voltage and current monitoring |
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Warranty – 1-year warranty for your peace of mind.
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Technical Support – Contact us for professional after-sales technical assistance.
