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DM1TP0400 Lovato CURRENT TRANSFORMER D33MM 400/5A
Lovato DM1TP0400 is a precision solid-core 400/5 A current transformer for Ø28 mm cables and 30 x 10 mm, 25 x 15 mm or 20 x 20 mm busbars, with Class 0.5S and Class 0.5 accuracy at 5 VA for industrial electrical metering.
£69.60
Why Choose the Lovato DM1TP0400 Current Transformer?
The Lovato DM1TP0400 is a precision solid-core current transformer designed for industrial electrical metering, power analysis and energy-monitoring applications. It provides a 400/5 A transformation ratio, converting a rated 400 A primary current into a standard 5 A secondary signal for compatible meters and measuring instruments.
Designed for cables up to Ø28 mm, the DM1TP0400 can also accommodate 30 × 10 mm, 25 × 15 mm and 20 × 20 mm busbars. Its precision metering performance includes Class 0.5S at 5 VA and Class 0.5 at 5 VA, making it well suited to accurate electrical consumption and load measurement.
The transformer operates on 50–60 Hz AC systems and combines screw terminals with DIN rail or screw mounting for flexible panel installation. A 720 V rated insulation voltage, Class E dry-type insulation and IP30 protection support dependable operation in industrial switchboards and electrical distribution equipment.
Key Advantages
- Precision 400/5 A solid-core current transformer.
- Class 0.5S accuracy at 5 VA for high-accuracy metering.
- Class 0.5 accuracy at 5 VA for general measurement applications.
- Suitable for cables up to Ø28 mm.
- Accepts 30 × 10 mm, 25 × 15 mm and 20 × 20 mm busbars.
- Flexible DIN rail or screw mounting.
- 720 V rated insulation voltage for industrial electrical installations.
Key Features
- Lovato DM precision current transformer.
- Solid-core construction.
- 400 A rated primary current.
- 5 A secondary output current.
- 400/5 A transformation ratio.
- 50–60 Hz operational frequency.
- 120% continuous primary-current overload withstand.
- Class 0.5S burden: 5 VA.
- Class 0.5 burden: 5 VA.
- Ø28 mm cable aperture.
- Screw secondary terminals.
- IP30 protection rating.
Reliable & Accurate Current Measurement
The Lovato DM1TP0400 enables compatible measuring instruments to monitor high AC currents by converting a rated 400 A primary current into a proportional 5 A secondary signal. Its Class 0.5S performance makes it particularly suitable for installations where accurate current and energy measurement is required.
The solid-core construction provides a robust solution for new switchboard installations, while the Ø28 mm opening and compatibility with several common busbar dimensions offer useful installation flexibility. DIN rail or screw mounting and standard screw terminals further simplify integration with industrial metering equipment.
Typical Applications
- Industrial electrical distribution boards.
- Energy meters and power analyzers.
- Three-phase electrical metering systems.
- Industrial switchboards and control panels.
- Busbar current measurement.
- Building energy-management systems.
- Electrical load and consumption monitoring.
Technical Specifications
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| Rated Burden (VA) | 5 VA | |
|---|---|---|
| Rated Primary Current (A) | 400 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 33 mm | |
| Device Type | Solid-core CT | |
| IP Rating | IP30 | |
| HS Code | 85043180 | |
| Manufacturer | Lovato Electric | |
| Model | DM1TP0400 | |
| Product type | Current transformer | |
| CT type | Solid-core | |
| Primary current (Ipn) | 400 A | |
| Secondary output current | 5 A | |
| Transformation ratio | 400/5 A | |
| Operational frequency | 50–60 Hz | |
| Continuous overload withstand | 120% Ipn | |
| Class 0.5S burden | 5 VA | |
| Class 0.5 burden | 5 VA | |
| Rated insulation voltage (Ui) | 720 V | |
| Rated short-time thermal current (Ith) | 40–60 × Ipn for 1 s | |
| Rated dynamic current (Idyn) | 2.5 × Ith | |
| Insulation | Dry type, Class E | |
| Cable aperture | Ø28 mm | |
| Compatible busbar sizes | 30 × 10 mm, 25 × 15 mm, 20 × 20 mm | |
| Terminal type | Screw | |
| Fixing | DIN rail or screw fixing | |
| Protection rating | IP30 | |
| Operating temperature | -25 to +50 °C | |
| Storage temperature | -40 to +80 °C | |
| Maximum relative humidity | 90% | |
| Product weight | 480 g | |
| Conformity | IEC/EN/BS 61869-1, IEC/EN/BS 61869-2 | |
| Certification | EAC | |
| EAN | 8013975218884 |
Frequently Asked Questions
What is the Lovato DM1TP0400 used for?
The DM1TP0400 is a solid-core current transformer designed to convert a rated 400 A primary current into a standard 5 A secondary signal for compatible energy meters, multimeters and power analyzers.
What is the transformation ratio of the DM1TP0400?
The Lovato DM1TP0400 has a 400/5 A transformation ratio, providing a 5 A secondary output at its rated 400 A primary current.
What cable and busbar sizes can the DM1TP0400 accommodate?
The transformer is designed for cables up to Ø28 mm and can also accommodate 30 × 10 mm, 25 × 15 mm and 20 × 20 mm busbars.
What accuracy does the Lovato DM1TP0400 provide?
The DM1TP0400 provides Class 0.5S accuracy at 5 VA and Class 0.5 accuracy at 5 VA.
How is the DM1TP0400 installed?
The transformer supports DIN rail or screw fixing and uses screw terminals for the secondary connection. As a solid-core transformer, the primary conductor or busbar must pass through the transformer opening during installation.
Trusted for Industrial Current Measurement
Lovato Electric current transformers provide accurate current sensing for energy meters, power analyzers and electrical monitoring systems, combining precision measurement with practical mounting options for industrial and commercial power-distribution installations.
