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Sf6 Rn8 II Gas Insulated Ring Main Unit Device Rmu Electrical Equipment Cabinet Complete Switchgear for Thermal Power Plant and Power Distribution
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Sf6 Rn8 II Gas Insulated Ring Main Unit Device Rmu Electrical Equipment Cabinet Complete Switchgear for Thermal Power Plant and Power Distribution
RN8II-12 is a 12kV indoor SF6 gas-insulated ring main unit for 3.6–12kV power distribution systems. It features fully sealed stainless steel gas tank, 30-year maintenance-free, ultra-low gas leakage ≤0.02%/year, three-position switch, five-prevention interlock, and modular expandable design. With strong environmental adaptability, high safety, compact structure, it is widely used in power grids, urban networks, industrial, mining, infrastructure and harsh environments. Fully compliant with IEC & GB standards.
No.
Item
Unit
Load Switch
Combined Unit
Circuit Breaker
1
Rated Voltage
kV
12
2
Rated Frequency
Hz
50
3
Rated Main Bus Current
A
630
4
Rated Current
A
630
125*
200 / 630
5
Rated Short-circuit Breaking Current
kA
-
31.5*
20/25
6
Rated Short-time Withstand Current (r.m.s.)
kA
20/25
-
20/25
7
Rated Peak Withstand Current
kA
50/63
-
50/63
8
Mechanical Endurance
Times
5000/10000
5000
10000
9
Annual SF6 Gas Leakage Rate
%
≤0.05
Manufacturing & Capability
The company operates world-leading digital intelligent manufacturing production lines and comprehensive production/testing equipment. Key R&D and production lines include: 3-35kV high-voltage switchgear series, 3-35kV high/low-voltage pre-assembled substation series, 3-35kV gas-insulated switchgear series, and 0.66kV and below low-voltage switchgear series. Component series include sulfur hexafluoride circuit breakers, indoor vacuum circuit breakers, and smart terminal products.
Packaging & Quality Assurance
Frequently Asked Questions
What main electrical products do you supply?
We mainly supply LV/MV (0.4kV-40.5kV) distribution cabinets, circuit breakers, box substations, pole mounted switches and related electrical supporting parts.
Do you accept OEM/ODM?
Yes, we do. Our professional engineering team can customize products according to your drawings or specific requirements.
What is your Minimum Order Quantity (MOQ)?
Our MOQ is one set. We welcome small trial orders for your initial cooperation.
What is the typical delivery time?
It depends on your order quantity and specifications, and it normally takes about 15-20 working days.
How do you ensure product quality?
We have a strict QC team and complete testing process. Every product will be fully tested before shipment, and we can provide test photos/videos if you need.
What after-sales service do you offer?
We provide online technical support at any time. If you have product use problems, we will reply and solve them for you in a timely manner.