FCGW-12 Composite Dry-Type Wall Bushing for 12kV Systems
FCGW-12 Composite Dry-Type Wall Bushing for 12kV Systems is designed to provide reliable electrical insulation and safe conductor passage through partition walls in medium-voltage switchgear, RMUs, and compact substations. Its dry-type epoxy-silicone composite structure eliminates the need for oil or gas insulation, offering a lightweight and low-maintenance solution.
With good pollution resistance, mechanical strength, and a compact design, the FCGW-12 is suitable for indoor switchgear compartments, box-type substations, transformer rooms, and other 12kV power distribution equipment where space efficiency and long-term insulation reliability are important.
Get a QuoteOverview
The FCGW-12 Composite Dry-Type Wall Bushing is a 12kV medium-voltage insulation component designed to provide safe and reliable electrical insulation where conductors pass through partition walls in indoor switchgear, substations, and compact power distribution equipment.
Unlike traditional oil-immersed bushings, the FCGW-12 uses a dry-type composite insulation structure, offering a lightweight, pollution-resistant, and low-maintenance solution. Its epoxy-silicone construction provides reliable electrical insulation and mechanical strength, supporting stable long-term operation under varying indoor environmental conditions.
The FCGW-12 is suitable for 12kV switchgear panels, compact substations, distribution cabinets, and other medium-voltage equipment requiring dependable wall-through insulation and space-efficient installation.
Key Features & Advantages
- Lightweight and Easy to Install
Made with an epoxy resin and silicone rubber composite structure, the FCGW-12 combines low weight with high mechanical strength, helping simplify transportation, handling, and installation. - Dry-Type and Low-Maintenance Design
The dry insulation system requires no oil or gas filling, reducing leakage and maintenance concerns while providing a safer insulation solution for indoor medium-voltage equipment. - Excellent Pollution Resistance
The specialized composite surface provides good resistance to contamination and moisture, supporting stable insulation performance in humid, dusty, and polluted indoor environments. - Compact Structure for Space-Constrained Equipment
Its space-saving design is well suited to compact electrical equipment such as box-type substations, RMUs, and indoor switchgear cabinets, helping optimize installation space. - Reliable Electrical and Mechanical Performance
The epoxy-silicone composite construction provides dependable dielectric insulation and mechanical strength for long-term operation in 12kV medium-voltage applications.
Technical Data
| Item | Unit | Parameter | |
| Rated Voltage | kV | 12 | |
| Rated Current | A | 630 / 1250 | |
| Power Frequency Withstand(1min) | kV | 42 | |
| Lightning Impulse Withstand | 75 | ||
| Creepage Distance | mm | ≥ 300 | |
| Partial Discharge | / | ≤ 5pC under 1.1Ur | |
| Installation Type | / | Through-wall, flange-mounted | |
Application Scenarios
The FCGW-12 Composite Dry-Type Wall Bushing is suitable for various 12kV medium-voltage insulation and partition applications, including:
- Indoor MV Switchgear Penetration
Used between primary compartments or between gas-tight compartments and control sections to provide reliable electrical insulation and conductor passage. - Box-Type Substations
Installed on side or rear partition walls to provide a safe and insulated path for medium-voltage cables and conductors. - Compact RMU Cabinets
Helps separate load, feeder, and breaker compartments while maintaining reliable electrical insulation between sections. - Transformer Control Rooms
Provides an insulated passage for high-voltage cables through partition walls, helping keep energized terminals protected and reducing the risk of accidental contact. - Compact Medium-Voltage Equipment
Its lightweight and space-saving structure makes it suitable for other indoor 12kV switchgear and distribution equipment where dry-type wall insulation is required.
