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High-/Extra-High Voltage Switchgear

Power equipment used for monitoring, control, and protection of power distribution systems

Applicable to power generation and substation facilities, industrial plants, buildings, and water/wastewater treatment substations

Product Description

1Key Features
  • In-house dielectric testing equipment
  • Wide-range dielectric testing capacity: AC 0–100 kV, 200 mA, adaptable to various conditions
  • Enhanced product reliability through in-house dielectric tests before shipment
  • Optimized equipment layout with proprietary 3D structural design
  • Designed, manufactured, and tested in compliance with international standards (IEC, ANSI, JEM, etc.)
2Specifications
Category Specifications
Rated Voltage(V) 24
Rated Current(A) 630, 1250, 2000
Rated Frequency(Hz) 50/60
Rated Short-Time Withstand Current(kA/3s or 1s) 12.5,25
Rated Peak Withstand Current(kA) 2.6 × Rated Short-Time Withstand Current
Withstand Voltage Power-Frequency(kV/1min) 50
Impulse(kV/1.2x50) 125
Applicable Standards IEC 62271-200

Low-Voltage Switchgear

Low-voltage switchgear is used in low-voltage distribution systems of 600 V or below for power plants and power distribution systems. It also allows heat dissipation even when equipped with bus ducts and feeders using molded case circuit breakers (MCCBs).

Product Description

1Key Features of Low-Voltage Switchgear
  • Application of ACBs equipped with various ratings and high-performance digital trip relays
  • Safe structure with protective covers on both the ACB front panel and inside
  • Digital integrated monitoring & control device (GIMAC) provides measurement, operation, control display, and interface with other devices
  • Convenient workability ensured by routing power cables at the rear and control cables at the front for easy installation and inspection
  • Optional protective structure available for anti-insect and dustproof performance
2Specifications
Category Specifications
Rated Voltage(V) 600
Number of Phases 3-phase, 3-wire / 3-phase, 4-wire
Rated Busbar Current (A) 600, 1000, 1200, 1600, 2000, 2500, 3200, 4000, 5000
Rated Frequency(Hz) 50/60
Control Circuit Voltage DC110, AC220
Installation Environment Altitude below 1,000 m, Ambient Temperature –5 °C to +40 °C, Indoor installation
Applicable Standards IEC 60439-1
Key Features of Motor Control Centers (MCCs)

Motor control centers are designed in compliance with IEC, ANSI, and KS standards, and are mainly applied to water treatment facilities, industrial plants, and buildings.

  • Draw-out units up to 600 A
  • Enhanced mechanical strength with insulators and liners
  • Vertical motion support using plug-in clamps
  • Withdrawable control power and neutral terminals
  • Easy cable connection with drawer-type units for incoming/outgoing feeders
  • Minimized access to live parts for improved safety
  • Effective cooling and sufficient wiring space
2Specifications
Category Specifications
Rated Voltage(V) Up to 600 V
Frequency 60HZ
Current Horizontal MAX 5000A
Vertical 1000A/1500A
Control 80A at 380V
Applicable Standards IEC 60439-1

Distribution Board

1Key Features

A device that distributes power to various loads such as lighting, heating, and power loads, mainly used in buildings and factories.

Seismic resistance available as an option.

Applicable Standards

  • IEC 62271-200:2011-10
  • Telcordia GR-63-CORE Issue 4:2012, 5.4.1 Earthquake Test Methods(Zone 4 level)

Applied Patents

  • 1Pressure Exhaust Apparatus For Metal-Clad Switchgear(Korean Patent NO.10-1381848)

Project Site Photos