$ 342.47
Measure AC, DC, and distorted currents up to 300A with Phoenix Contact MCR-SL-CUC-300-I. Reliable 4–20 mA output, isolation, and compact design.
The Phoenix Contact MCR-SL-CUC-300-I is a versatile current transducer engineered to measure AC, DC, and distorted currents up to 300 A with dependable conversion into a 4–20 mA output signal. Its design removes the need for external shunts while maintaining safety through three-way galvanic isolation. Compact dimensions and DIN rail compatibility make installation straightforward in both centralized panels and distributed applications. With a fast response time and accuracy within 1%, it addresses the challenge of reliable current measurement in industrial environments, ensuring stable data for energy management, motor monitoring, and automation systems.
Built for demanding industrial use, the MCR-SL-CUC-300-I current transducer ensures long-term precision and operational safety across a broad range of electrical signals. By translating high currents into standardized control signals, it integrates easily with PLCs, monitoring devices, and automation networks. The unit is suitable for both alternating and direct currents, while its robust housing, wide operating temperature range, and international certifications support deployment worldwide. Quick connection terminals simplify wiring and reduce downtime during setup. This device improves process reliability, enhances predictive maintenance, and supports efficient system performance in energy distribution, renewable power, and industrial automation.
Why Phoenix Contact MCR-SL-CUC-300-I?
Because it brings precision, safety, and simplicity together. The MCR-SL-CUC-300-I handles AC, DC, and even distorted signals with ease, delivering accurate current-to-signal conversion without external shunts. Its compact design, DIN rail mounting, and three-way isolation make it the ideal choice for engineers who want reliable performance with minimal installation effort.
What problem does it solve?
It eliminates uncertainty in current measurement where accuracy and safety are critical. By converting complex, high-current signals into standard 4–20 mA outputs, it bridges the gap between raw electrical data and process control systems. This solves the challenge of monitoring diverse electrical loads consistently, reducing downtime, and supporting predictive maintenance strategies.
| Feature | Details | Benefit |
|---|---|---|
| Measurement Range | 0 … 300 A AC/DC (including distorted currents) | Covers wide range of applications without extra sensors |
| Output Signal | 4 … 20 mA current output | Provides standardized, easy-to-integrate process signals |
| Isolation | Three-way galvanic isolation, 3.5 kV AC test voltage | Ensures operator safety and system protection |
| Linearity Error | < ±1% of full scale | High accuracy for reliable monitoring |
| Response Time | 150 ms (10–90%) | Fast adaptation to load changes |
| Supply Voltage | 24 V DC (20–30 V range) | Flexible integration with industrial power supplies |
| Power Consumption | 1.65 W | Energy-efficient operation |
| Mounting | DIN rail or panel mounting | Simplifies installation in control cabinets |
| Connection | Push-in COMBICON terminals, AWG 24–12 | Quick wiring and secure connections |
| Dimensions | 90 × 33.8 × 85 mm | Space-saving for compact panels |
| Conductor Opening | Ø 32 mm circular conductor | Easy fit for large current-carrying cables |
| Protection Class | IP20 | Safe operation in standard industrial environments |
| Operating Temperature | -40 °C … +65 °C | Reliable in harsh environments |
| Certifications | CE, UKCA, UL Listed | Approved for global use |
| Weight | 291 g (net), 296.7 g (with packing) | Lightweight for easy handling |
| Country of Origin | China | Clear sourcing information |
Download Phoenix Contact MCR-SL-CUC-300-I (2308043) Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4046356434041 |
| Tariff Number | 90303370 |
| Weight | 291 g (net), 296.7 g (with packing) |
| Country of Origin | China |
In solar farms, current transducers are vital for keeping track of the energy flowing from each panel string. The MCR-SL-CUC-300-I can accurately handle direct currents up to 300 A, even when output is unstable due to shading or weather changes. By delivering a standardized signal to the control system, it helps operators spot underperforming panels early. Its built-in isolation safeguards inverters and monitoring equipment, ensuring reliable long-term operation of renewable power facilities.
Industrial facilities often run pumps, conveyors, or compressors that place high demands on electrical systems. Motors under stress show current fluctuations and distorted waveforms, which this transducer captures precisely. The converted signal can be fed into protective relays or automation systems to trigger alarms or shutdowns before damage occurs. With a fast response time and robust design, it supports continuous production by reducing unexpected stoppages and protecting valuable machinery.
Battery storage systems and large UPS units require constant supervision of charge and discharge currents. The MCR-SL-CUC-300-I offers stable readings across AC and DC operation, providing operators with reliable data to optimize charging cycles and prevent overload. By isolating measurement circuits from high-power components, it increases safety for technicians and extends the service life of sensitive equipment. This makes it an essential tool in environments where uninterrupted power supply is mission-critical.
In microgrids combining solar, wind, and diesel generators, current levels can shift rapidly. The universal measurement capability of this device ensures both clean and distorted signals are recorded with precision. By providing real-time current data to the control system, it enables smart load balancing, helping avoid overloads and ensuring smooth transitions between energy sources. Its wide operating temperature range allows dependable use in demanding environments, from remote installations to industrial complexes.
| Category | Model / Accessory | Part Number | How It Complements the MCR-SL-CUC-300-I |
|---|---|---|---|
| Power Supplies | QUINT4-PS/1AC/24DC/5 | 2904600 | Provides reliable 24 V DC supply, essential for powering the transducer in industrial control panels. |
| Signal Conditioners | MINI-MCR-SL-S-UI | 2810735 | Conditions and adapts current or voltage signals, ensuring smooth integration with PLCs or monitoring systems. |
| Relay Modules | PLC-INTERFACE Relay Module | 2961105 | Enables switching, alarms, or control signals triggered by the current transducer output. |
| DIN Rail Accessories | NS 35/7,5 DIN Rail | 0800886 | Standard rail mounting option for quick and secure installation. |
| Terminal Blocks | COMBICON Plug-in Terminal Blocks | 1803578 | Compatible plug-in connectors for easy wiring and fast replacement. |
| Surge Protection | VAL-MS 24DC/2+2 | 2838201 | Protects the 24 V DC power supply and measurement circuits from voltage surges. |
| Isolation Amplifiers | MACX-MCR-SL-CI-UI | 2864140 | Enhances isolation and signal reliability in complex multi-sensor setups. |
For expert guidance before placing your order.
Warranty – 1-year warranty for your peace of mind.
Global Shipping – We ship worldwide with secure packaging and reliable delivery.
Technical Support – Contact us for professional after-sales technical assistance.
