Lovato DMK11R1 three-phase True RMS digital ammeter with three phase-current readings, minimum and maximum value memory, 5 A current transformer inputs and a programmable relay output.
£169.65
The Lovato DMK11R1 is a compact and dependable three-phase digital ammeter designed for continuous AC current monitoring, control and protection in industrial switchboards, motor control centres and machinery panels. It measures and displays the current flowing through each phase, providing operators with a clear overview of electrical loading across a three-phase system.
The instrument uses True RMS measurement to deliver reliable current readings, including in installations where waveform distortion is produced by variable speed drives, electronic power supplies and other non-linear loads. It is designed for connection to external current transformers with a 5 A secondary output, allowing the displayed primary current to be scaled according to the installed CT ratio.
The DMK11R1 records the minimum and maximum current measured on each phase and includes a programmable changeover relay output for control, alarm and protection functions. Its compact 96 × 48 mm flush-mounted housing, removable terminals and IP54 front protection make it well suited to professional electrical panel installations.
Monitoring current across all three phases helps engineers identify overloads, phase imbalance, underloading and abnormal equipment behaviour. By displaying each phase independently, the Lovato DMK11R1 enables operators to compare electrical loading and detect conditions that could reduce efficiency or damage connected machinery.
The programmable relay output extends the instrument beyond basic indication. It can activate an external alarm, switch a contactor or interface with a control system when a configured current condition occurs, making the DMK11R1 suitable for overload supervision, undercurrent detection and automated process protection.
| Phase | Three Phase |
|---|---|
| Manufacturer | Lovato Electric |
| Series | DMK |
| Model | DMK11R1 |
| Product type | Three-phase digital ammeter |
| Measurement | Three-phase AC current |
| Displayed values | Three phase-current values |
| Stored values | Minimum and maximum current for each phase |
| Measurement method | True RMS |
| Rated current input | 5 A |
| Current measurement range | 0.05 to 6 A |
| Current input type | External low-voltage current transformers with 5 A secondary |
| Measurement accuracy | ±0.5% full scale ±1 digit |
| Current input frequency | 45 to 66 Hz |
| Continuous overload capacity | 120% of rated current |
| Short-time withstand current | 50 A for 1 second |
| Dynamic current limit | 125 A for 10 ms |
| Self-consumption per phase | Up to 0.6 W |
| Acquisition time | Approximately 70 ms |
| Auxiliary supply voltage | 220 to 240 V AC |
| Auxiliary supply frequency | 50 / 60 Hz |
| Maximum power consumption | 3.6 VA |
| Maximum power dissipation | 1.8 W |
| Relay output | 1 changeover contact |
| Relay rated voltage | 250 V AC |
| Relay function | Control, alarm and protection |
| Installation type | Flush panel mounting |
| Front dimensions | 96 × 48 mm |
| Housing material | Thermoplastic |
| Terminal type | Removable |
| Conductor cross-section | 0.2 to 2.5 mm² |
| Maximum terminal tightening torque | 0.5 N·m |
| Front protection rating | IP54 |
| Terminal protection rating | IP20 |
| Operating temperature | -20 to +60 °C |
| Storage temperature | -30 to +80 °C |
| Weight | approximately 336 g |
| Package dimensions | 123 × 58 × 98 mm |
| EAN | 8013975154786 |
| Certifications | cULus and EAC |
| Conformity | IEC/EN 61010-1, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL508 and CSA C22.2 No. 14 |
| HS Code | 90303100 |
The DMK11R1 measures and displays the AC current flowing through each phase of a three-phase electrical system.
Yes. It is designed for connection to external low-voltage current transformers with a 5 A secondary output.
The instrument has a direct input measurement range of approximately 0.05 to 6 A.
Yes. It stores separate minimum and maximum current values for each of the three monitored phases.
The relay can operate an external alarm, contactor or control circuit when the measured current reaches programmed control or protection thresholds.
Yes. The meter uses True RMS measurement to provide dependable readings, including where the current waveform is distorted.
Lovato Electric digital metering instruments are used by panel builders, automation engineers and maintenance professionals to provide dependable three-phase current monitoring, alarm signalling and equipment protection across industrial installations.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...