Integrated Voltage and Current Combination Sensor by China Suppliers | Factory Direct for Smart Circuit Breakers
Integrated Voltage and Current Combination Sensor by China Suppliers | Factory Direct for Smart Circuit Breakers
⚡ Product Model
📋 Technical Parameters
📌 Take the rated voltage of 10kV as reference
| Parameter | Value |
|---|---|
| Rated voltage transformation ratio |
Three-phase sequence: 10kV/√3 / 3.25V/√3 Zero sequence: 10kV/√3 / 6.5V/3 |
| Rated current ratio |
Three-phase sequence: 600A / 1V Zero sequence: 20A / 0.2V |
| Level of accuracy | 0.5/1 | 0.5S/5P10 |
| Supply voltage | Single-phase: 10kV/√3, DC 27V, 5W |
| Insulation resistance | >1000 MΩ |
| Rated load | 2 MΩ |
| Working frequency | 50(60) Hz |
| Temperature range | -40℃ ~ 70℃ |
| Rated insulation level | 12 / 42 / 75 kV |
📐 Outline Dimension
ℹ️
Please install accessories such as arc extinguishing chamber, soft connection and guide rod according to the size of the pole. Refer to the output terminal layout drawing at the bottom of the pole for the installation holes of the box.
🔧 Install The Base
❓ Frequently Asked Questions
Q
What is an integrated voltage and current combination sensor?
An integrated voltage and current combination sensor is a compact device that simultaneously measures both voltage and current in a power system. It combines the functions of a voltage transformer and a current transformer into a single unit, simplifying installation and reducing the space required in medium-voltage switchgear applications.
Q
What rated voltage is this sensor designed for?
This sensor is designed for a rated voltage of 10kV, with a rated insulation level of 12/42/75kV. It supports both three-phase sequence and zero sequence measurements, making it suitable for medium-voltage distribution networks.
Q
What accuracy levels does this sensor support?
The sensor supports accuracy levels of 0.5/1 and 0.5S/5P10, meeting the requirements for both metering and protection applications in medium-voltage power systems. The 0.5S class ensures high accuracy even at low load conditions.
Q
What is the operating temperature range of this sensor?
The sensor operates reliably within a temperature range of -40℃ to 70℃, making it suitable for deployment in a wide range of environmental conditions, including harsh outdoor or industrial environments.
Q
How should the sensor base be installed?
Accessories such as the arc extinguishing chamber, soft connection, and guide rod should be installed according to the pole size specifications. The installation holes for the box should be aligned based on the output terminal layout drawing located at the bottom of the pole, as shown in the outline dimension diagram.
Q
What is the insulation resistance requirement for this sensor?
The sensor requires an insulation resistance greater than 1000 MΩ, ensuring high electrical safety and reliable long-term performance in medium-voltage power distribution environments. This high insulation resistance helps prevent leakage currents and protects connected equipment.