JRM6-12/24 Gas Insulated Compact Metal Enclosed Switchgear

Product Overview

The JRM6-12/24 SF6 gas-insulated compact metal-enclosed switchgear (hereinafter referred to as the inflatable cabinet) adopts a advanced modular design, achieving a perfect unity of homogeneous types and flexible expansion. To seamlessly suit the tailored requirements of end-users or network nodes, it fully meets the demanding needs of various power distribution offices, box-type substations, and cable branch boxes. Featuring a highly compact structure, absolute safety, outstanding reliability, long service life, and maintenance-free design, it operates flawlessly under challenging environments.

Key Features & Advantages

• Fully Sealed & Maintenance-Free: The high-voltage live parts are completely enclosed in an SF6 gas tank, shielding the system from external moisture, dust, and contamination, which guarantees maintenance-free operations.

• Highly Compact & Space-Saving: Designed specifically for urban infrastructure and limited-space box-type substations to minimize the installation footprint.

• Flexible Modular Design: Supports seamless combining and expansion of different functional modules (C, F, V, Cb) to adapt to varied power grid configurations.

• Exceptional Climate Resilience: Capable of stable operation at high altitudes (up to 3000m) and extreme temperature ranges (-40°C to +45°C).

Model Nomenclature

• JRM: SF6 Fully Insulated Ring Maintainer and Compact Switchgear

• 6: Design Serial Number

• 12/24: Voltage level (kV)

Environmental Operating Conditions

• Altitude: < 3000m

• Ambient Temperature: -40°C to +45°C

• Humidity: Average daily humidity ≤ 95%; Average monthly humidity ≤ 90%

• Seismic Capacity: Earthquake intensity not more than 8 degrees

Main Technical Parameters

Why Choose JNCN Power JRM6-12/24 Gas Insulated Compact Metal Enclosed Switchgear

Selecting the right medium-voltage switchgear is crucial for long-term grid stability and operational security. JNCN Power delivers an unparalleled level of engineering excellence with the JRM6-12/24 Series through the following core value pillars:

• Hermetically Sealed Gas-Tank Precision: Our switchgear utilizes premium-grade stainless steel laser-welded enclosures. All primary live components and switching mechanisms are permanently sealed within an SF6 gas environment. This fully insulates the internal systems from heavy dust, extreme relative humidity, salt spray, and aggressive airborne chemicals, effectively securing a zero-leakage threshold for an expected lifecycle of over 30 years.

• Uncompromised Operational Safety and Interlocking: Security is embedded in our architectural design. The JRM6-12/24 features robust, foolproof mechanical and electrical interlocks. These mechanisms prevent unauthorized or accidental operations, ensuring absolute operator safety during regular inspections, intentional grounding, or unforeseen fault clearing.

• Advanced Modular Flexibility for Evolving Smart Grids: Modern power networks demand adaptable layouts. JNCN provides a vast array of modular combinations (Load Switches, Vacuum Circuit Breakers, Fuse-Switch Combination Units). Whether deployed in complex urban substations, compact industrial distribution centers, or modern wind/solar power collector rings, our flexible extension system drastically shortens retrofitting timelines and curbs future expansion costs.

• Ultra-low Total Cost of Ownership (TCO): By designing a fundamentally maintenance-free system, JNCN eliminates the need for frequent internal parts replacement, gas refilling, or periodic testing shutdowns. This high reliability reduces operational overhead, making it a highly economical choice for challenging locations such as high-altitude regions, remote wind farms, and crowded underground facilities.