Secondary Fusion Electronic Combined Sensor
Product Model

Technical Parameters
|
Parameter |
Value |
|
Rated voltage transformation ratio |
Three-phase sequence:10kV/√3/3.25V/√3 |
|
Rated current ratio |
Three phase sequence:600A/1V(A) |
|
Level of accuracy |
0.5/1 0.5/5P10 |
|
Insulation resistance |
>1000MΩ |
|
Rated load |
2MΩ |
|
Working frequency |
50Hz |
|
Temperature range |
-40℃~70℃ |
|
Rated insulation level |
12/42/75kV |
Outline Dimension

Product Functions
◆Integrates phase sequence and zero-sequence voltage and current sensing in a single device.
◆Provides built-in voltage, current, and power measurement for comprehensive grid monitoring.
◆Enables direct assembly with circuit breakers to form intelligent vacuum circuit breaker systems.
◆Delivers precise electrical data for protection, control, and analytics in distribution networks.
Applicable Environment
◇Designed for 10kV and 20kV AC distribution networks in smart grid applications.
◇Suitable for integration within intelligent switchgear and compact secondary equipment.
◇Operates reliably in environments compliant with grid operational standards, including substations and automated distribution systems.
Product Highlights
◆Compliant with State Grid primary-secondary fusion technical specifications and T/CES 018-2018 standards.
◆Combines multiple sensing functions into one compact, space-saving design.
◆Features low power consumption, high measurement accuracy, and long-term stability.
◆Simplifies installation with a design that allows direct assembly into circuit breakers.
◆Supports customization to meet specific project requirements and technical parameters.
Installation Instructions
◇Confirm compatibility with the target circuit breaker model and system voltage (10kV or 20kV).
◇Before ordering, specify the single-pole power supply voltage, power requirements, and power supply phase sequence.
◇Assemble the sensor directly with the circuit breaker as per the provided integration guidelines.
◇Ensure all electrical connections are secure and correctly phased according to the wiring diagram.
◇For any special technical or customization needs, discuss details with the manufacturer at the time of order using the supply code YTJL-10WF.













