Indoor Combined Sensors

A single, integrated solution for current and voltage measurement with fault detection capability, designed specifically for medium-voltage switchgear systems.

Indoor Combined Sensors

A single, integrated solution for current and voltage measurement with fault detection capability, designed specifically for medium-voltage switchgear systems.

Overview

Our indoor combined sensors integrate current and voltage measurement along with a coupling electrode for voltage detection in one compact unit. Engineered for high-performance applications, these sensors ensure superior accuracy, simplified installation, and seamless operation in medium-voltage switchgear environments.

Key Features

Integrated Design

Combines current and voltage sensors with a coupling electrode for comprehensive measurement.

High Accuracy

Voltage sensor with 0.5/3P accuracy class and current sensor with 0.5, 1/5P20, and 5P50 for dependable results.

Robust Insulation

24/50/125 kVp insulation level ensures reliable operation in demanding MV applications.

Customizable Output

Secondary outputs of 150 mV (50 Hz) and 180 mV (60 Hz) support various system requirements.

Standards Compliance

Fully compliant with IEC 61869-6, 10, and 11 for global compatibility.

Applications

Integrated Measurement: Enables simultaneous current and voltage monitoring for efficient system control.

Fault Detection: Provides accurate overcurrent, overvoltage, and fault detection to enhance system safety.

MV Switchgear Systems: Perfect for switchgears up to 24 kV in industrial and utility environments.

Energy Management: Supports advanced grid and energy management systems with high-accuracy data.

Technical Specifications

Parameter	Specification
Rated Primary Current	Up to 630 A
Rated Primary Voltage	Up to 24 kV
Reference Standard	IEC 61869-6, 10 & 11
Insulation Level	24/50/125 kV_p
Rated Burden (R_b)	10 MΩ
Rated Frequency	50/60 Hz
Voltage Sensor Accuracy Class	0.5/3P
Voltage Sensor Ratio (K)	10,000:1
Voltage Factor (K_u)	1.9/8 h
Current Sensor Rated Primary Current	80 A
Current Sensor Secondary Output	150 mV (50 Hz), 180 mV (60 Hz)
Short-Time Thermal Current (I_th)	25 kA / 3 sec
Current Sensor Accuracy Class	0.5, 1/5P20, 5P50
Operating Temperature	-5°C to +40°C
Storage Temperature	-25°C to +70°C