XGN66-12 Ac Metal Armouring Removable Switchgear

The XGN66-12 is a high-voltage AC metal-clad switchgear primarily used in 3.6–12kV, three-phase, 50Hz power systems for receiving and distributing electrical energy. It is suitable for applications requiring frequent operation, as well as for retrofitting existing Rongji-type switchgear that uses oil circuit breakers. Key features include compact size, high circuit breaker reliability, excellent performance, and a comprehensive five-prevention interlocking mechanism. The equipment is widely applicable in various types of power plants, substations, offices, and industrial or mining enterprises.

1. High Reliability and Long Service Life
The device is manufactured using high-quality materials and advanced production processes, ensuring stability and extended service life.

2. Excellent Operating Performance
The operating mechanism is well-designed for smooth, easy operation and provides a satisfying tactile response.

3. Wide Current Range
The XGN66-12 covers a current range typically from 12A to 630A, meeting the diverse needs of users.

4.Multiple Installation Options
A variety of installation methods are available, allowing users to choose the most suitable configuration based on actual site requirements.

5.Complete Five-Prevention Interlocking
The main switch, trolley, and cabinet are equipped with mandatory mechanical interlocks to meet the five-prevention safety functions:

• Prevents inserting or withdrawing the breaker trolley under load
• Prevents incorrect opening/closing of the breaker
• Prevents closing the circuit breaker when the grounding switch is in the closed position
• Prevents access to live compartments
• Prevents grounding switch operation when the system is energized

6. High Protection Rating
The enclosure is rated at IP4X. When the trolley compartment door is open, the protection level is IP3X2.

7.Robust Structure and Materials
The cabinet is made of precision-formed cold-rolled steel plates, allowing for standardized mass production. It is equipped with a new generation composite-insulated vacuum circuit breaker mounted on a floor-standing handcart, offering good interchangeability and ease of replacement.

8. Environmental Adaptability
Suitable for ambient air temperatures between -10°C and +40°C, installation altitudes up to 1000 meters, and relative humidity not exceeding 95%.

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