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What Is LMZJ1-0.5 Series Low Voltage Current Transformer？
LMZJ1-0.5 type current transformer is mainly used for indoor, for rated voltage up to and including 0.5kV, rated frequency 50Hz AC circuits the electric current and electric energymeAppearance and installation dimensionsasurement and relay protection. The product adopts casting insulation, adopting a bottom fixed installation.
Working Conditions of the LMZJ1-0.5 Series Low Voltage Current Transformer
- Installation sites: Indoor
- Ambient temperature:-5~40'c
- Ambient humidity:≤ 80%
- Altitude: s1000m
- Atmospheric conditions: no serious impurity in the atmosphere.
Product Parameters
| Product chart | Current ratio (A) | Secondary load(VA) | Cross-core turn number | |||
| Class 0.5 | Class 0.5S | Class 0.2 | Class 0.2S | |||
| 30 | 5/5 | 5 | 5 | 5 | 5 | 30 |
| 10/5 | 5 | 5 | 5 | 5 | 15 | |
| 5/15 | 5 | 5 | 5 | 5 | 10 | |
| 5/20 | 5 | 5 | 5 | 5 | 10 | |
| 5/25 | 5 | 5 | 5 | 5 | 6 | |
| 5/30 | 5 | 5 | 5 | 5 | 5 | |
| 5/1 | 5 | 5 | 5 | 5 | 5 | |
| 5/1 | 5 | 5 | 5 | 5 | 3 | |
| 5/1 | 5 | 5 | 5 | 5 | 2 | |
| 5/1 | 5 | 5 | 5 | 5 | 1 | |
| 100/5 | 5 | 5 | 5 | 5 | 2 | |
| 100/5 | 5 | 5 | 5 | 5 | 1 | |
| 150/5 | 5 | 5 | 5 | 5 | 1 | |
| 200/5 | 5 | 5 | 5 | 5 | 1 | |
| 250/5 | 5 | 5 | 5 | 5 | 1 | |
| 300/5 | 5 | 5 | 5 | 5 | 1 | |
| 40 | 200/5 | 5 | 5 | 5 | 5 | 1 |
| 300/5 | 5 | 5 | 5 | 5 | 1 | |
| 400/5 | 5 | 5 | 5 | 5 | 1 | |
| 500/5 | 5 | 5 | 5 | 5 | 1 | |
| 600/5 | 5 | 5 | 5 | 5 | 1 | |
| 50 | 400/5 | 5 | 5 | 5 | 5 | 1 |
| 500/5 | 5 | 5 | 5 | 5 | 1 | |
| 600/5 | 5 | 5 | 5 | 5 | 1 | |
| 750/5 | 10 | 10 | 10 | 10 | 1 | |
| 800/5 | 10 | 10 | 10 | 10 | 1 | |
| 60 | 400/5 | 5 | 5 | 5 | 5 | 1 |
| 500/5 | 5 | 5 | 5 | 5 | 1 | |
| 600/5 | 5 | 5 | 5 | 5 | 1 | |
| 800/5 | 10 | 10 | 10 | 10 | 1 | |
| 1000/5 | 10 | 10 | 10 | 10 | 1 | |
| 1200/5 | 10 | 10 | 10 | 10 | 1 | |
| 1500/5 | 10 | 10 | 10 | 10 | 1 | |
| 80 | 700/5 | 10 | 10 | 10 | 10 | 1 |
| 750/5 | 10 | 10 | 10 | 10 | 1 | |
| 800/5 | 10 | 10 | 10 | 10 | 1 | |
| *1000/5 | 10 | 10 | 10 | 10 | 1 | |
| 100 | 1000/5 | 10 | 10 | 10 | 10 | 1 |
| 1200/5 | 10 | 10 | 10 | 10 | 1 | |
| 1500/5 | 10 | 10 | 10 | 10 | 1 | |
| *2000/5 | 10 | 10 | 10 | 10 | 1 | |
| 120 | 2000/5 | 10 | 10 | 10 | 10 | 1 |
| 2500/5 | 15 | 15 | 15 | 15 | 1 | |
| 3000/5 | 20 | 20 | 20 | 20 | 1 | |
| 140 | 4000/5 | 30 | 30 | 30 | 30 | 1 |
| 5000/5 | 40 | 40 | 40 | 40 | 1 | |
| 6000/5 | 40 | 40 | 40 | 40 | 1 | |
Why Choose LMZJ1-0.5 Series Low Voltage Current Transformer?
Ideal for 0.5kV Indoor Low Voltage Systems
This low voltage current transformer is specially designed for indoor AC circuits with rated voltage up to 0.5kV and 50Hz frequency, providing stable support for current measurement, energy metering, and relay protection in low voltage power distribution systems.
Reliable Casting Insulation Structure
Adopting fully casting insulation, this low voltage current transformer features strong insulation performance, good moisture resistance, and high mechanical stability, ensuring safe and long‑lasting operation in various working environments.
Simple & Stable Bottom‑Fixed Installation
With standard bottom fixed installation, this low voltage current transformer is easy to position and fix in distribution boxes and switchgear, ensuring firm installation and reducing failure risks caused by vibration or displacement.
Complete Models & Flexible Dimension Options
Available in multiple appearance and installation dimensions including 30, 40, 100, and 140, this low voltage current transformer can match different busbar sizes and installation spaces to meet diverse project needs.
Customizable for Special Working Conditions
In addition to standard specifications, this low voltage current transformer supports customized parameters such as current ratio, rated output, and accuracy class, allowing flexible configuration according to customer requirements.
FAQ
What is the application scope of this low voltage current transformer?
This low voltage current transformer is mainly used indoors in 50Hz AC circuits with rated voltage up to 0.5kV, for current measurement, electric energy metering, and relay protection.
What insulation structure does this low voltage current transformer adopt?
This low voltage current transformer adopts casting insulation, which features high insulation strength, good durability, and strong environmental adaptability.
What installation method is used for the LMZJ1‑0.5 low voltage current transformer?
This low voltage current transformer adopts bottom fixed installation, which is convenient, firm, and suitable for most low voltage distribution equipment.
What information must be provided when ordering this low voltage current transformer?
When ordering, you need to provide product model, bus width, current ratio, rated output, and corresponding accuracy class. Customization is available for special needs.
What dimensions are available for this low voltage current transformer?
This low voltage current transformer provides multiple dimension models including LMZJ1‑0.5 30, 40, 100, and 140 to adapt to different bus sizes and installation scenarios.
