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Metering Truck

Withdrawable metering trucks are designed for project-specific measurement and metering functions in medium-voltage switchgear. Depending on the metering scheme and switchgear design, voltage transformers, current transformers and associated metering interfaces can be integrated into the withdrawable assembly.

Truck dimensions, instrument transformer arrangements, primary interfaces and secondary connections are configured according to the metering scheme and switchgear requirements.

Key Ratings

  • Rated Voltage

    Up to 40.5 kV

  • Installation

    Withdrawable

  • Metering Arrangement

    VT / CT / Project-Specific

  • Metering Function

    Measurement / Revenue Metering

  • Applicable Standards

    IEC 61869 Series / IEC 62271-200

Metering Configurations

  • 01

    Dedicated Instrument Transformer Metering

    Project-specific instrument transformer arrangements for measurement and revenue metering applications.
  • 02

    Combined Metering

    Project-specific combinations of voltage transformers, current transformers and metering interfaces for integrated measurement applications.

Operating Positions

  • Service Position

    Primary and secondary metering circuits connected for normal operation.

  • Test / Disconnected Position

    Primary circuit disconnected, with secondary connections available according to the switchgear design.

Technical Specifications

Parameter Specification
Rated Voltage 12 / 17.5 / 24 / 40.5 kV
Rated Frequency 50 / 60 Hz
Installation Withdrawable
Metering Arrangement VT / CT / Project-Specific
Voltage Transformer Optional / Project-Specific
Current Transformer Optional / Project-Specific
Primary Fuse Optional / Project-Specific
Voltage Ratio According to System Requirements
Current Ratio According to System Requirements
Accuracy Class According to Metering / Protection Requirements
Rated Burden Project-Specific
Secondary Connections Project-Specific
Applicable Standards IEC 61869 Series / IEC 62271-200

Note: Metering components, truck dimensions, primary interfaces, secondary connections and interlocking arrangements are configured according to the metering scheme, switchgear design and project requirements.

Standards, Testing & Documentation

IEC-Oriented Design

IEC-Oriented Design

Instrument transformers are specified with reference to the applicable IEC 61869 series, while the withdrawable truck arrangement and switchgear integration are designed according to applicable IEC 62271-200 requirements and project specifications.

Factory Routine Testing

Factory Routine Testing

Electrical checks, mechanical operation, contact alignment, interlocking functions and secondary connections are verified before shipment according to product configuration.

Project Documentation

Project Documentation

Technical datasheets, outline drawings, wiring diagrams, instrument transformer data and inspection records can be provided for project review.

Download Product Catalogue

Discuss Your Metering Truck Requirements

Share your system voltage, metering scheme, VT / CT ratios, accuracy class, rated burden, switchgear type and interface requirements with our engineering team.

Request a Quote Talk to Our Engineers

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Manufactured by Toonice Electric Power Technology Co., Ltd.

Exported by Wenzhou Naisite Electric Co., Ltd.

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