$ 134.09
Reliable Phoenix Contact EMD-BL-V-230-PT relay for 230V voltage monitoring. Prevents downtime with LED status, adjustable delay, and compact DIN-rail design.
The Phoenix Contact EMD-BL-V-230-PT voltage monitoring relay ensures reliable supervision of single-phase AC and DC voltages up to 230 V. It is engineered to detect undervoltage conditions and maintain consistent performance across demanding applications. Compact in size and DIN-rail mountable, the unit integrates easily into control systems while minimizing panel space. Clear LED indicators provide quick operational feedback, and the adjustable response delay helps prevent false trips caused by short-term fluctuations. With its ability to improve stability and safeguard connected equipment, this monitoring relay supports continuous productivity and system safety in industrial, energy, and building technology environments.
The Phoenix Contact EMD-BL-V-230-PT combines advanced monitoring capabilities with user-friendly design to deliver dependable protection. By detecting undervoltage and voltage window deviations, it reduces downtime and protects sensitive equipment from unnecessary wear or sudden failure. Quick push-in connections simplify installation and maintenance, while the robust housing ensures durability in a wide range of operating conditions. Adjustable settings allow operators to tailor response times to system requirements, minimizing unnecessary shutdowns. Whether used in automated manufacturing lines, energy distribution networks, or complex building systems, this device increases operational uptime, lowers maintenance costs, and enhances overall system safety.
The Phoenix Contact EMD-BL-V-230-PT stands out as a compact yet powerful voltage monitoring relay that ensures equipment always runs on stable supply conditions. Its intelligent design with LED feedback, adjustable delays, and push-in terminals makes it both reliable and easy to use. It’s built for professionals who value uptime, safety, and long-term cost savings.
This device addresses the critical issue of power instability that often causes equipment failures, downtime, or hidden performance losses. By detecting undervoltage and irregularities early, it prevents damage, false shutdowns, and costly interruptions. Essentially, the relay acts as a safeguard, ensuring smooth operation across industries where continuous, error-free performance is non-negotiable.
| Feature | Details | Benefit |
|---|---|---|
| Product Type | Voltage Monitoring Relay | Provides continuous supervision of single-phase AC/DC voltages up to 230 V. |
| Operating Voltage Range | 24 V AC/DC or 230 V AC (±25% tolerance) | Flexible integration into various supply systems. |
| Functionality | Undervoltage & Window Monitoring | Protects equipment by detecting voltage drops or irregularities. |
| Contact Type | 1 Floating Changeover Contact | Reliable switching and easy integration into control circuits. |
| Status Indicators | Green (operation), Yellow (status), Red (error) | Immediate visual feedback for quick diagnostics. |
| Response Delay Setting | Adjustable 0.1 to 10 seconds | Prevents nuisance tripping caused by short-term voltage fluctuations. |
| Mounting Type | DIN Rail (NS 35) | Fast installation into standard control cabinets. |
| Housing Width | 17.5 mm | Space-saving design allows high-density cabinet layouts. |
| Service Life | Electrical: 100,000 cycles; Mechanical: 15 million cycles | Long operational lifespan reduces replacement frequency. |
| Certifications | CE, UL, cUL Listed | Meets global safety and compliance requirements. |
Download EMD-BL-V-230-PT 2903524 Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4046356747288 |
| Tariff / Customs Number | 85364900 |
| Weight (per piece) | 71.5 g |
| Country of Origin | Austria |
Transformers in electrical distribution networks require consistent voltage to avoid insulation stress and premature aging. By installing a monitoring relay, operators can detect undervoltage before it causes overheating or unstable performance. The adjustable delay prevents unnecessary trips from short voltage dips, while clear LED signaling allows technicians to identify issues instantly. This ensures longer transformer life, reduced maintenance, and safer operation across distribution points.
On modern production floors, motors drive conveyors, pumps, and automated equipment. Any drop in voltage can lead to overheating, loss of torque, or even unplanned stoppages. A voltage monitoring relay ensures motors only operate under stable conditions, preventing damage and costly downtime. The compact housing saves valuable panel space, while quick push-in connections reduce wiring time. By filtering out momentary disturbances with adjustable delays, the system keeps running smoothly without false shutdowns.
Facilities that rely on both grid supply and standby generators need a reliable way to switch between sources. A voltage monitoring relay identifies when grid voltage drops or stabilizes, ensuring generators only connect when conditions are safe. The window monitoring function safeguards against improper synchronization, reducing the risk of equipment stress. Adjustable timing avoids premature switching, providing seamless load transfer during outages and ensuring uninterrupted operation in critical environments.
Heating, ventilation, and air-conditioning equipment, along with pumps and control panels in smart buildings, are sensitive to unstable voltage. A monitoring relay prevents these systems from running during unsafe conditions, avoiding energy waste and equipment strain. LED feedback simplifies troubleshooting for facility teams, and DIN-rail mounting makes installation quick in crowded automation cabinets. The result is a safer, more reliable building environment with minimized downtime and extended equipment service life.
| Category | Model | Part Number | Benefits |
|---|---|---|---|
| Voltage Monitoring Relay – 24 V AC/DC | EMD-BL-V-24-PT | 2905520 | Designed for 24 V systems with the same compact housing and reliable monitoring. |
| Phase Monitoring Relay | EMD-BL-3PH-400 | 2905525 | Monitors three-phase supply for failure, sequence, or asymmetry, ensuring balanced operation. |
| Time Control Relay | ETD-BL-1C-230-PT | 2905526 | Provides precise timing functions for delayed switching and process control. |
| Coupling Relay | RIF-0-RPT-230AC/21 | 2903342 | Enables safe coupling of control signals to larger loads with expanded switching. |
| DIN Rail Terminal Block | ST 2,5 | 3030161 | Compact push-in connection terminal for clean, reliable wiring. |
| End Cover for Terminal Block | D-DEK 2,5 | 3030414 | Provides insulation and neat termination for DIN-rail block assemblies. |
| Marking Accessory | ZB 5 | 0800872 | Marker strip system for clear labeling of relay and terminal wiring. |
| Compact Power Supply | QUINT-PS/1AC/24DC/2.5 | 2904600 | Stable 24 V DC output to power relays and control circuits reliably. |
For expert guidance before placing your order.
Warranty – 1-year warranty for your peace of mind.
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Technical Support – Contact us for professional after-sales technical assistance.
