Here is the information from the document about TPM series switches, clearly organized in list form, without a table:
The switches in the series TPM are medium voltage type switches RMU (Ring Main Unit), gas insulated SF₆, intended for use inside.
Use:
- For secondary power supply and distribution of electricity
- In urban radial and ring networks
- In industry and other facilities where compact equipment with high technical parameters
Standardization and testing:
- According to international standards
- Type tests performed by independent and accredited certification bodies
- The results are confirmed by certifications and test reports
Nominal parameters of the TPM switch:
- Nominal medium voltage (Ur): 25 kV
- Nominal frequency / Number of phases (Fr): 50 / 60 Hz / 3
- Power frequency withstand voltage (Ud): 50kV / 60kV
- Atmospheric impulse withstand voltage (Up, 1.2/50 μs): 125 kV / 145 kV
- Rated continuous current of main busbars (Ir): 630 A
- Nominal permissible short-circuit current of primary circuits (Ik):
- 16 kA (3 seconds)
- 20 kA (1 second)
- 25 kA (3 seconds) *1)
- Permissible peak current primary circuits (Ip):
- 40 kA
- 50 kA
- 63 kA *1)
- Internal arc resistance (IA):
- 20kA (1s)
- 22 kA (1 s) *1)
- IAC class (internal arc resistance): AFLR
- IP protection degree: IP4X (optional IP54)
- Mechanical shock resistance (IK): IK10
1) Available in customized version
Operating conditions:
- Ambient temperature:
- short-term maximum: +40°C
- daily average maximum: +35°C
- minimum:
- without secondary circuits: -25°C
- with secondary circuits: -5°C / -15°C / -25°C 2)
- Relative air humidity:
- maximum daily average: 95%
- maximum monthly average: 90%
- Vibrations:
- vibrations from external factors or earthquakes are negligible
Internal protection:
- Equipment compartment / stainless steel SF₆ tank: IP67
- Drive mechanism and connections compartment: IP4X
Environmental conditions:
- Contamination with salt, vapors, dust, smoke, flammable gases: NOT
- Corrosive gases: NOT
- Ice formation, frost, condensation: NOT