SM6 SF6 Gas insulated compact RMU metal enclosed switchgear

The SM6 SF6 Gas insulated compact RMU metal enclosed switchgear is this switchgear thing, you know, a compact RMU that is insulated with SF6 gas and metal enclosed. Its kind of a newer type that uses an SF6 load switch as the main part for switching.Inside, it seals up the important stuff like the circuit breaker, the load switch, and disconnector all in a stainless steel box filled with that SF6 gas. This setup makes it run reliably and keeps people safe, plus it doesnt need any maintenance at all. That is one of the better parts about it.You can pick expandable busbars with it, which lets you combine things however you want for full modularity. Those busbars get expanded but stay safely insulated and shielded. They are small in size, operate flexibly, have good interlocking so nothing goes wrong, and installing them is pretty straightforward.Overall, it helps save a lot of space in places like distribution rooms or transformer substations. It fits different situations and what users need.

Main technical parameters

Typical Scheme Diagram：

Factory shooting：

Why Choose the LGSM6 RMU

1. Fully Sealed Design: The gas chamber of the SM6 SF6 Gas insulated compact RMU metal enclosed switchgear is laser-welded to ensure reliable sealing performance. Utilizing the excellent insulation and arc-extinguishing properties of SF6 gas, the phase-to-phase and phase-to-ground insulation distances are significantly shortened, and the low gas pressure makes it insensitive to temperature changes.

2. Three-Position Switch Design: This load/disconnect switch integrates three positions: closed, open, and grounded. The rotary moving contact design provides simple and intuitive operation, and the visibility of the break point is clearly visible through the observation window, meeting maintenance safety requirements. A comprehensive mechanical interlock between the three positions eliminates the possibility of misoperation.

3. High Modularity and Expandability: Modules can be arbitrarily combined and expanded via solid-insulated busbars or dedicated connectors, suitable for simple terminal lines as well as complex ring network power supply systems. All units also have reserved interfaces for electric operation and automation.

4. Ultra-High Protection Rating: The entire cabinet enclosure achieves an IP3X or IP4X protection rating. Equipped with a comprehensive mechanical interlocking device, it ensures the safety of personnel and equipment. The cabinet is equipped with a pressure relief channel to release pressure in a targeted manner.

Frequently Asked Questions

•Does this type of SM6 SF6 Gas insulated compact RMU metal enclosed switchgear require regular maintenance?

No. Since all live parts are sealed within a stainless steel chamber filled with SF6 gas, they are completely isolated from external contaminants, moisture, and oxidation. Routine operation only requires checking the mechanical movements of the control box and the instrument readings for proper functioning.

•Is there enough space for cable connections? Is installation easy?

Lugao has optimized the cable compartment layout, providing ample space for cable connections, facilitating the fabrication of cable terminations and the installation of grounding wires.

•How long is the product lifespan?

Under normal operating conditions, the product's designed service life is generally up to 30 years. Stainless steel gas boxes have strong corrosion resistance, and the mechanical life of the main switch (such as a load switch) can typically reach more than 5,000 cycles.

•Does your company have stock available? What is the delivery time?

Regular orders can be shipped within approximately 15 business days. Special customized solutions (such as high current, non-standard voltage) generally require 15-30 days.