GCS Low Voltage Draw-out Switchgear: High-Performance Power Distribution

Product Description

1. Product Overview

The JRH GCS Low Voltage Draw-out Switchgear is an advanced modular power distribution and motor control center (MCC) engineered for high reliability, safety, and operational flexibility. Designed for power plants, substations, petrochemical industries, high-rise buildings, and industrial manufacturing facilities, the GCS switchgear serves as an essential link for electric energy conversion, distribution, and circuit control in systems operating at 50/60 Hz. Built with high breaking capacity, excellent dynamic thermal stability, and flexible circuit combinations, JRH’s low-voltage switchgear delivers continuous power reliability and simple maintenance.

2. Key Features & Selling Points

• Modular Draw-out Drawer Architecture: Features independent functional compartments for incoming, feeder, and motor control units. Drawers can be swapped quickly without interrupting the main busbar, minimizing downtime.

• High Breaking Capacity & Busbar Strength: Engineered with high-grade horizontal busbars rated up to 5000 A and peak withstand currents up to 176 kA, ensuring stability during heavy electrical faults.

• Enhanced Safety Interlocks: Equipped with mechanical interlocks that prevent accidental drawer withdrawal under load, effectively safeguarding field operators and upstream equipment.

• Optimal Thermal Dissipation & Compact Layout: Designed with optimized internal ventilation channels and high component density, enabling footprint savings while maintaining cool operating temperatures.

• Flexible Multi-System Compatibility: Supports both 3-Phase 4-Wire and 3-Phase 5-Wire configurations with customizable protection ratings up to IP40 to meet global utility and industrial standards.

3. Technical Specifications

4. Operating Conditions

• Ambient Temperature: -10°C to +40°C (Daily average temperature less than or equal to 35°C).

• Altitude: Less than or equal to 1000 meters (Standard design); High-altitude custom design available up to less than or equal to 4000 meters.

• Relative Humidity: Daily average relative humidity less than or equal to 95%; Monthly average relative humidity less than or equal to 90%.

• Seismic Intensity: Less than or equal to Earthquake Magnitude 8.

• Pollution Level: Suitable for environments free from corrosive, flammable gases, or severe pollution.

5. Ordering Information

When submitting an inquiry or order for the JRH GCS Low Voltage Draw-out Switchgear, please specify the following parameters:

1. Application Type: Power Distribution / Motor Control Center (MCC) / Main Incoming Cabinet.

2. Rated Voltage & Current Requirements: Main circuit operating voltage, horizontal busbar rating (up to 5000A), and vertical busbar specifications.

3. Busbar Configuration: 3-Phase 4-Wire or 3-Phase 5-Wire system topology.

4. Drawer Unit Scheme & Quantity: Functional unit types (e.g., 1/2 unit, 1 unit, 2 units) and circuit breaker component preferences.

5. Enclosure Protection Rating: IP30 or IP40 specifications along with cabinet installation layout.

👉 Contact our technical experts today for a customized wiring design and competitive B2B factory quote!

6. Why Choose JRH Equipment?

• Precision Assembly & Quality Assurance: Manufactured with CNC-guided punching and folding technology, ensuring exact drawer alignment and long-term durability.

• OEM/ODM Engineering Expertise: Tailored cabinet layouts, brand-specified circuit breakers, and custom busbar routing built to match your exact site specifications.

• Complete Lifecycle Support: From initial schematic design to global after-sales technical support and spare module delivery, JRH guarantees uninterrupted operations for your distribution network.

  Product Description

  1. Product Overview

  The JRH GCS Low Voltage Draw-out Switchgear is an advanced modular power distribution and motor control center (MCC) engineered for high reliability, safety, and operational flexibility. Designed for power plants, substations, petrochemical industries, high-rise buildings, and industrial manufacturing facilities, the GCS switchgear serves as an essential link for electric energy conversion, distribution, and circuit control in systems operating at 50/60 Hz. Built with high breaking capacity, excellent dynamic thermal stability, and flexible circuit combinations, JRH’s low-voltage switchgear delivers continuous power reliability and simple maintenance.

  2. Key Features & Selling Points

  • Modular Draw-out Drawer Architecture: Features independent functional compartments for incoming, feeder, and motor control units. Drawers can be swapped quickly without interrupting the main busbar, minimizing downtime.

  • High Breaking Capacity & Busbar Strength: Engineered with high-grade horizontal busbars rated up to 5000 A and peak withstand currents up to 176 kA, ensuring stability during heavy electrical faults.

  • Enhanced Safety Interlocks: Equipped with mechanical interlocks that prevent accidental drawer withdrawal under load, effectively safeguarding field operators and upstream equipment.

  • Optimal Thermal Dissipation & Compact Layout: Designed with optimized internal ventilation channels and high component density, enabling footprint savings while maintaining cool operating temperatures.

  • Flexible Multi-System Compatibility: Supports both 3-Phase 4-Wire and 3-Phase 5-Wire configurations with customizable protection ratings up to IP40 to meet global utility and industrial standards.

  3. Technical Specifications

  Parameter Category	Specification / Technical Detail
  Main Circuit Rated Voltage	AC 380 V, 400 V, 660 V
  Auxiliary Circuit Rated Voltage	AC 220 V, 380 V, 400 V / DC 110 V, 220 V
  Rated Frequency	50 Hz, 60 Hz
  Rated Insulation Voltage	600 V, 1000 V
  Rated Current (Horizontal Busbar)	Less than or equal to 5000 A
  Rated Current (Vertical Busbar / MCC)	1000 A
  Rated Short-time Withstand Current (Busbar)	50 kA / 1s, 80 kA / 1s
  Rated Peak Withstand Current (Busbar)	105 kA / 0.1s, 176 kA / 0.1s
  Power Frequency Test Voltage (Main Circuit)	2500 V per 1 min
  Power Frequency Test Voltage (Auxiliary Circuit)	1760 V per 1 min
  Busbar System (3-Phase 4-Wire)	A, B, C, PEN
  Busbar System (3-Phase 5-Wire)	A, B, C, PE, N
  Protection Rating	IP30, IP40

  4. Operating Conditions

  • Ambient Temperature: -10°C to +40°C (Daily average temperature less than or equal to 35°C).

  • Altitude: Less than or equal to 1000 meters (Standard design); High-altitude custom design available up to less than or equal to 4000 meters.

  • Relative Humidity: Daily average relative humidity less than or equal to 95%; Monthly average relative humidity less than or equal to 90%.

  • Seismic Intensity: Less than or equal to Earthquake Magnitude 8.

  • Pollution Level: Suitable for environments free from corrosive, flammable gases, or severe pollution.

  5. Ordering Information

  When submitting an inquiry or order for the JRH GCS Low Voltage Draw-out Switchgear, please specify the following parameters:

  1. Application Type: Power Distribution / Motor Control Center (MCC) / Main Incoming Cabinet.

  2. Rated Voltage & Current Requirements: Main circuit operating voltage, horizontal busbar rating (up to 5000A), and vertical busbar specifications.

  3. Busbar Configuration: 3-Phase 4-Wire or 3-Phase 5-Wire system topology.

  4. Drawer Unit Scheme & Quantity: Functional unit types (e.g., 1/2 unit, 1 unit, 2 units) and circuit breaker component preferences.

  5. Enclosure Protection Rating: IP30 or IP40 specifications along with cabinet installation layout.

  👉 Contact our technical experts today for a customized wiring design and competitive B2B factory quote!

  6. Why Choose JRH Equipment?

  • Precision Assembly & Quality Assurance: Manufactured with CNC-guided punching and folding technology, ensuring exact drawer alignment and long-term durability.

  • OEM/ODM Engineering Expertise: Tailored cabinet layouts, brand-specified circuit breakers, and custom busbar routing built to match your exact site specifications.

  • Complete Lifecycle Support: From initial schematic design to global after-sales technical support and spare module delivery, JRH guarantees uninterrupted operations for your distribution network.