SF6 Gas-Insulated Load Breaker Switch
Overview
The MS24 SF6 Load Breaker Switch (LBS), developed by Arian Kelid Pars, is an advanced medium voltage switching device designed and manufactured for modern electrical distribution networks.
SF6 gas as both the insulation and arc-quenching medium, the switch disconnector delivers exceptional operational reliability, electrical safety, and long service life. Its compact design, optimized dimensions, and robust mechanical construction make it an ideal solution for AIS switchgear, RMU systems, secondary substations, and medium-voltage distribution networks
Advanced Technology
The MS24 Load Breaker Switch (LBS) is manufactured under the technology and license of MELCOS and incorporates modern European engineering standards. The advanced design enhances operational safety, reliability, and equipment durability, ensuring dependable performance even under demanding operating conditions
Compliance with International Standards
Designed and manufactured in accordance with the IEC international standards, the switch disconnector is classified as
* Mechanical Class: M1
* Electrical Endurance Class: E3
These classifications guarantee excellent mechanical durability, high electrical endurance, and reliable switching performance throughout the product’s service life
Wide Range of Applications
The MS24 Load Breaker Switch (LBS), is available for 12 kV, 24 kV, and 36 kV voltage levels. Its fully sealed gas-insulated structure provides outstanding resistance to:
High humidity
Dust and contamination
Industrial pollution
Harsh environmental conditions
Our Load Breaker Switch (LBS) makes it an ideal choice for utilities, industrial plants, commercial facilities, and critical power distribution applications.
Key Features of Load Breaker Switch (LBS)
SF6 gas-insulated compact design
High dielectric strength and superior insulation performance
Reliable arc-quenching capability
Maintenance-free sealed construction
Compact dimensions for optimized panel design
Long mechanical and electrical service life
IEC-compliant design (M1 / E3 Classification)
Suitable for AIS switchgear and RMU applications
Available in 12 kV, 24 kV, and 36 kV ratings
Excellent performance in harsh environmental conditions
High operational reliability and safety
| No. | Technical Parameter | Unit | 24kV | 36kV |
| 1 | Rated Voltage | kV | 24 | 36 |
| 2 | Rated Frequency | Hz | 50 | 50 |
| 3 | Rated Current | A | 630 | 630 |
| 4 | Rated Peak Withstand Current | kA | 50 | 50 |
| 5 | Rated Short-Time Withstand Current | kA | 16/20/25 | 16/20/26 |
| 6 | Rated Short-Time Duration | s | 1 | 1 |
| 7 | Rated Making Current | kA | 40/50/63 | 40/50/64 |
| 8 | Active Load Breaking Current | A | 630 | 630 |
| 9 | Closed Loop Breaking Current | A | 630 | 630 |
| 10 | 1 min Power Frequency Withstand Voltage | kV | 50 / 65 | 70 / 95 |
| 11 | Lightning Impulse Withstand Voltage | kV | 125 / 145 | 170 / 195 |
| 12 | Phase to Phase Center Distance | mm | 210 ± 0.5 | 300 ± 0.5 |
| 13 | Mechanical Class | - | M1 | M1 |
| 14 | Electrical Class | - | E3 | E3 |
| 15 | Insulation / Arc Extinguishing Medium | - | SF6 Gas | SF6 Gas |
