Table of Contents
What Is Low Voltage Current Transformer
ZHIMING brand of The LMK2(BH)-0.66 type low voltage current transformer is primarily intended for indoor use in AC circuits with a rated voltage up to and including 0.66 kV and a rated frequency of 50Hz. It is used for current and energy measurement, as well as for relay protection.
This model is a plastic-encased low voltage current transformer, widely used in low-voltage switchgear assemblies. It supports both busbar mounting and base plate mounting, and is suitable for installation in any direction. The conductor can be either a busbar or a cable.
Working Conditions of the Low Voltage Current Transformer
- Installation sites: Indoor
- Ambient temperature: -5~40℃
- Ambient humidity: ≤ 80%
- Altitude: ≤1000m
- Atmospheric conditions: no serious impurity in the atmosphere.
Main Technical Data of the Low Voltage Current Transformer
Note: Other special specification models are supplied according to user requirements
| Current ratio (A) | VA Secondary load (VA) | ||||
| 1 level | 0.5 level | 0.5S level | 0.2 level | 0.2S level | |
| 150/5 | 5 | 2.5 | 2.5 | 5 | 1 |
| 200/5 | 5 | 2.5 | 5 | 5 | 1 |
| 250/5 | 5 | 2.5 | 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 |
| 750/5 | 10 | 10 | 10 | 5 | 1 |
| 800/5 | 10 | 10 | 10 | 5 | 1 |
| 1000/5 | 10 | 10 | 10 | 5 | 1 |
Why Choose ZHIMING's Low Voltage Current Transformer?
High Accuracy
This low voltage current transformer is engineered to deliver high-precision performance in both current and energy measurement, as well as relay protection. Its reliable accuracy within 0.66 kV AC circuits ensures trustworthy data for system monitoring and control, forming a dependable foundation for your electrical management.
Large Capacity
Designed for versatility, this low voltage current transformer accommodates both busbar and cable conductors, offering a large capacity to meet diverse application needs. Its compatibility with common low-voltage switchgear and support for multiple mounting options (busbar or base plate) provide exceptional installation flexibility in any orientation.
Compact Size
The innovative plastic-encased design results in a compact and lightweight current transformer that optimizes panel space without compromising performance. Its small footprint and adaptability for mounting in any direction make it an ideal solution for modern, space-constrained low-voltage electrical assemblies.
Cost-Effectiveness
As a robust and widely adopted low voltage current transformer, it combines durable construction, easy installation, and reliable indoor performance to deliver outstanding long-term value. This model represents a cost-optimized solution for accurate measurement and protection in 50Hz systems up to 0.66 kV.
FAQ
What is the primary application of this low voltage current transformer?
This product is a plastic-encased low voltage current transformer designed specifically for current measurement and relay protection. It is used in AC circuits with a rated voltage up to 0.66 kV and a frequency of 50Hz, for accurate current and energy measurement, as well as supplying signals to relay protection devices.
What are its suitable installation environment and methods?
This low voltage current transformer is designed for indoor use. It supports both busbar mounting and base plate mounting, and can be installed in any direction, offering flexible integration into various low-voltage switchgear layouts.
What are its key technical specifications?
The core specifications include a rated voltage of 0.66 kV and a rated frequency of 50Hz. As a low voltage current transformer, it ensures high measurement accuracy while its plastic casing provides reliable insulation and a lightweight design.
What are the important considerations for installation and use?
It is crucial to ensure it operates within its specified low-voltage environment (≤0.66 kV) and at 50Hz. During installation, ensure the conductor passes correctly through the center of the transformer and is securely fixed according to the chosen busbar mounting or base plate mounting method.
