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Secondary Fusion Electronic Combined Sensor

Secondary Fusion Electronic Combined Sensor

The YTJL-10WF series is a secondary fusion electronic combined sensor designed for modern smart grids. Fully compliant with State Grid primary-secondary fusion specifications and the T/CES 018-2018 group standard, it integrates voltage, current, and power sensing in one compact unit. Engineered for direct assembly with circuit breakers, it enables the creation of intelligent vacuum circuit breakers with easy installation, low power consumption, high accuracy, and stable measurement performance.

    Product Model

    1.Secondary fusion electronic combined sensor.jpg

    Technical Parameters

    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(A)
    Zero current:20A/0.2V(100/1A)

    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

    2.Secondary fusion electronic combined sensor.jpg

    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.