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GCS Withdrawable Low-Voltage Switchgear

GCS withdrawable low-voltage switchgear is designed for power distribution and motor control applications, including motor control center (MCC) systems, in industrial facilities, infrastructure, utilities and commercial power systems.

Its modular withdrawable functional units and compartmentalized construction support incoming feeder, outgoing feeder, motor control, bus coupler and metering & monitoring configurations according to project requirements.

Key Ratings

  • Rated Operational Voltage

    Up to 660 V

  • Rated Current

    Up to 4000 A

  • Short-Time Withstand Current

    Up to 50 kA

  • Rated Frequency

    50 / 60 Hz

  • Insulation Voltage

    Up to 1000 V

Typical Configurations

  • 01

    Incoming Feeder

    Main incoming power distribution configured according to project requirements.
  • 02

    Outgoing Feeder

    Outgoing circuits configured according to load and protection requirements.
  • 03

    Motor Control

    Motor starter and control configurations for industrial motor loads and MCC applications.
  • 04

    Bus Coupler

    Bus-section or bus-coupling arrangements for sectionalized distribution systems.
  • 05

    Metering & Monitoring

    Metering, protection and monitoring configurations according to project requirements.

Technical Specifications

Rated Operational Voltage 380 / 400 / 415 / 660 V
Rated Insulation Voltage Up to 1000 V
Rated Current Up to 4000 A
Rated Short-Time Withstand Current Up to 50 kA / 1 s
Rated Frequency 50 / 60 Hz
Functional Unit Type Withdrawable
Main Busbar Material Copper / Project-Specific
Busbar Configuration 3P / 3P + N / Project-Specific
Form of Internal Separation Project-Specific
Degree of Protection IP40 / IP42 / Project-Specific
Cable Entry Top / Bottom / Project-Specific
Installation Indoor
Applicable Standards IEC 61439-1 / IEC 61439-2

Standards, Testing & Documentation

IEC 61439 Design Basis

IEC 61439 Design Basis

Designed with reference to applicable IEC 61439-1/-2 requirements and project specifications.

Factory Routine Testing

Factory Routine Testing

Routine inspections and tests are carried out before shipment according to applicable IEC 61439-1/-2 requirements and project specifications.

Project Documentation

Project Documentation

Single-line diagrams, general arrangement drawings, technical datasheets and routine test records can be provided for project review.

Download Product Catalogue

Discuss Your GCS Switchgear Requirements

Share your system voltage, rated current, feeder arrangement, motor control requirements, short-circuit requirements and project specifications with our engineering team.

Request a Quote Talk to Our Engineers

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© 2026 TOONICE. All rights reserved.

Manufactured by Toonice Electric Power Technology Co., Ltd.

Exported by Wenzhou Naisite Electric Co., Ltd.

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