RMR58A Hybrid Gas Insulated Switchgear
Key attributes
| Brand | ROCKWILL |
| Model NO. | RMR58A Hybrid Gas Insulated Switchgear |
| Rated voltage | 145kV |
| Rated frequency | 50/60Hz |
| Series | RMR58A |
Product descriptions from the supplier
Description
Product Description
RMR58A combined apparatus integrates modules such as circuit breaker, DS, ES, CT, PT, FES, etc. It features a small footprint, strong environmental adaptability, high reliability, and maintenance-free operation. The rated voltage covers 40.5-145kV, making it suitable for high-voltage power transmission and distribution applications such as substations.
Features
- Compact structure：Three-phase split-tank design with an integrated base frame. Enables integral three-phase transportation by bay, ensuring convenient and reliable on-site installation.
- Excellent electrical performance：Superior insulation properties. Integral partial discharge <3pC. Horizontal breaker layout structure enables switching capability of 40kA.
- Reliable mechanical performance：Employs a new integrated die-cast aluminum base spring operating mechanism. Compact structural design with stable output performance ensures high reliability and maintenance-free operation. Mechanical life meets M2 class requirements.
- Highly modular design：Modular design approach. Standardized connection flange dimensions enable flexible configuration according to requirements. Strong module interchangeability facilitates functional expansion to optimize substation layout.
Product Parameters
| Rated voltage（kV） | 31.5, 40.5, 72.5, 145 |
| Rated frequency（Hz） | 50/60 |
| First-pole-to-clear Factor | 1.3/1.5 |
| Rated current(A) | Up to 4000 |
| Rated short-circuit breaking current(A) | Up to 40 |
| Rated short circuit making current (peak)(kA) | Up to 108 |
| Rated short-time withstand current(kA) | Up to 40 |
| Rated peak withstand current(kA) | Up to 108 |
| Rated short-time withstand current duration(s) | 4 |
| Rated operating sequence | O-0.3s-CO-3min-CO |
| Mechanical edurance(times) | 10000 |
