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SF6 gas Insulated RMU
SF6 gas Insulated Switchgear
Minimisation of volume, custom interface, convenient and reliable installation.
Pressure interface customised to customer requirements.
Utmost three pairs of contact switching can be provided according to user needs.
The RS485 remote function ensures remote monitoring
| Case diameter: | Φ64mm |
| Case material: | Stainless steel |
| Scale range: | 0 to 2bar (abs.) or -1 to 6bar |
| Accuracy: | Class 1.5 at20°C; class 2.5 at-40°C to+ 60°C |
| Ambient conditions: | -40°C to +60°C, relative humidity ≤ 95%RH |
| Degree of protection: | IP65 |
| Leakage rate: | ≤1 × 10-9 Pa·m3/s （Helium leakage inspection） |
| Contact type: | Magnetic snap-action switch (Maximum two groups, normally open or normally closed, customized by 3 groups according to users' needs) |
| Pressure connection: | M20×1.5 (customizable) |
| Installation method: | radial or axial |
| Insulation properties: | |
| Insulation resistance: | >100 MW (500 V DC) |
| Withstand voltage: | 2kV, 50/60 Hz 1 min |
| Contact electrical parameters: | Power: 30VA |
| Maximum operating voltage: | 380V |
| Maximum current: | 1A |
| Weight: | 0.3kg |
| Pressure element: | European bourdon tubes |
Main electrical performance indicators and specifications of the remote transmission part
| Power supply: | DC 24V |
| Power consumption: | < 2W |
| Communication mode: | RS485 |
| Protocol: | ModBus RTU |
| Baud rate: | 9600bps |
Anti-electromagnetic interference
| IEC61000-4-2: | level 4 (15kV) |
| IEC61000-4-3: | level 3 (10V / m) |
| IEC61000-4-4: | level 4 (4kV) |
| IEC61000-4-5: | level 3 (+/- 2kV) |
| IEC61000-4-6: | level 3 (10V) |
| IEC61000-4-8: | level 5 (100A / m) |
Measuring range
Ambient condition
Outlet Direction and cable length
Installation method
Suitable for High-altitude environment
Can detect SF6, Air, N2, SF6 + N2 and other gases
