Lovato DM1TA0300 split-core current transformer with a 300/5 A ratio, 52 x 80 mm opening, Class 0.5 accuracy at 1.5 VA and Class 1 accuracy at 3 VA for electrical metering and energy monitoring.
£114.65
The Lovato DM1TA0300 is a reliable split-core current transformer designed for accurate electrical current measurement in industrial and commercial power systems. Featuring a 300/5 A transformation ratio, it converts a primary current of 300 A into a standard 5 A secondary signal for compatible multifunction meters, energy analysers and monitoring equipment.
Its split-core construction allows the transformer to be opened and fitted around an existing conductor without disconnecting the cable or busbar. This makes the DM1TA0300 particularly suitable for retrofit energy-monitoring projects, electrical system upgrades and installations where interrupting the power supply would be impractical.
With a spacious 52 × 80 mm internal opening, Class 0.5 accuracy at 1.5 VA and Class 1 accuracy at 3 VA, the DM1TA0300 provides dependable measurement performance for switchboards, distribution panels and energy-management systems. Its robust insulated construction and standard 5 A output make it a practical choice for professional electrical installations.
Unlike a solid-core transformer, the Lovato DM1TA0300 can be opened and installed around an existing conductor. This enables current measurement equipment to be added to operational switchboards without removing cable terminations or passing the conductor through a closed transformer aperture.
The standard 5 A secondary output is compatible with a broad range of multifunction meters and power analysers. Its large rectangular opening accommodates substantial cables and busbars, while its two accuracy and burden ratings provide flexibility for precision metering and general electrical monitoring.
| Current | 5 A |
|---|---|
| Manufacturer | Lovato Electric |
| Series | DM |
| Model | DM1TA0300 |
| Product type | Split-core current transformer |
| Primary current | 300 A |
| Secondary current | 5 A |
| Transformation ratio | 300/5 A |
| Accuracy class at 1.5 VA | Class 0.5 |
| Accuracy class at 3 VA | Class 1 |
| Rated frequency | 50 / 60 Hz |
| Internal opening | 52 × 80 mm |
| Core type | Split core |
| Rated insulation voltage | 720 V |
| Continuous overload withstand | 120% of rated primary current |
| Short-time thermal current | 40–60 × rated primary current for 1 second |
| Dynamic current withstand | 2.5 × short-time thermal current |
| Secondary connection | Screw terminals |
| Mounting | Panel, cable or busbar fixing |
| Weight | Approximately 1.01 kg |
| EAN | 8013975178577 |
| Certification | EAC |
| Conformity | IEC/EN 60044-1 |
| HS Code | 85389091 |
The DM1TA0300 converts a 300 A primary current into a standard 5 A secondary signal for compatible electrical meters, power analysers and energy-monitoring equipment.
Yes. Its split-core construction allows it to be opened and installed around an existing cable or busbar without disconnecting the primary conductor.
The current transformer has a rectangular internal opening measuring 52 × 80 mm.
It provides Class 0.5 accuracy at a 1.5 VA burden and Class 1 accuracy at a 3 VA burden.
The transformer can be connected to compatible multifunction meters, energy analysers and monitoring devices designed for a standard 5 A current-transformer input.
Lovato split-core current transformers are widely used by panel builders, electrical contractors and energy specialists to add dependable current measurement to new and existing power distribution systems.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...