Ring Main Unit · CSG IK
SF6-Insulated Indoor/Outdoor Ring Main Unit
C-SEC's indoor/outdoor RMU category addresses secondary distribution projects where installation conditions require the applicable equipment arrangement. Suitability must be confirmed for the specific enclosure, environment and electrical duty.
CSG IK — canopy open · catalogue photograph01
Installation context
Electrical equipment may be exposed to different humidity, dust, ingress and temperature conditions depending on whether it is installed inside a room, kiosk or outdoor enclosure. Confirm the specific product's tested protection and service envelope before selection.
02
Options and functional diagram
Display an approved family configuration matrix with switch/CB/protection/automation options, not a generic sample assumed to cover every variant.
03
Specification checklist
- 01Operating voltage and current
- 02short-circuit level
- 03ingress protection
- 04site temperature
- 05cable entry
- 06dimensions
- 07foundation
- 08functional units
- 09accessory and control supply
04
Technical downloads
Features
General characteristics
- 01SF6-insulated compact switchgear
- 02Equipped with SF6 switch disconnector
- 03Equipped with vacuum circuit breaker
- 04Modular or compact versions
- 05Internal arc resistant
- 06SCADA-compatible motorised unit, on request
- 07Stainless steel tank
- 08For outdoor and indoor use
- 09Developed according to IEC 62271-200
As listed in the C-SEC MV Switchgear Catalogue (2022).
Typical functions · 2 LBS + 1 CB
Select a unit
Typical arrangement drawn from the catalogue's typical functions. Your project configuration comes from the network SLD.
Available modules (catalogue): LBS · CB · FCT · M
Specifications
Technical data
Catalogue model · CSG IK
| Characteristic | Unit | 12 kV | 17.5 kV |
|---|---|---|---|
| Electrical data | |||
| Rated voltage | kV | 12 | 17.5 |
| Lightning impulse withstand (1.2/50 µs) | kV peak | 75 | 95 |
| Power-frequency withstand (50 Hz, 1 min) | kV rms | 28 | 38 |
| Rated current | A | 630 | 630 |
| Rated short-time current | kA rms | 21 (3 s) | 21 (3 s) |
| Short-circuit making current | kA peak | 52.5 | 52.5 |
| Mechanical & service | |||
| Protection degree | — | RMU IP54 · Tank IP67 | |
| Standard colour | — | RAL 7032 | |
| Ambient temperature | °C | Basic −5 … +40; option −10 … +55 | |
| Dimensions (2 LBS + 1 CB) | |||
| Height | mm | 1912 | |
| Width | mm | 1255 | |
| Depth | mm | 790 | |
Source: C-SEC Medium Voltage Switchgear Catalogue (2022, QMS/FRM/SDM/72-04 R2 Issue 05). Technical characteristics vary by model and project configuration — refer to the latest approved C-SEC datasheet.
Documents
Technical documents
Only approved files are published. Project-specific documents are shared on request.
- Download
PDF · 2.2 MB · Rev. R2 Issue 05
MV Switchgear Catalogue (2022)
- Request for your configuration →
On request
Product datasheet
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On request
GA / footprint drawing
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On request
Typical SLD
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On request
Installation prerequisites
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On request
Test / standards declaration
Questions about the Indoor/Outdoor SF6 RMU
No. Suitability depends on the exact approved model and enclosure classification.
From the network SLD, utility specification and validated C-SEC module matrix.
Enquiry
Project-specific quotation
Share the key electrical parameters and the required panel functions for a technical review.
Related equipment
CSG I12 kV · 24 kV
Indoor SF6 RMU
Compact SF6-insulated switchgear for suitable indoor secondary distribution installations.
View technical details →
CSG O12 kV · 17.5 kV
Outdoor SF6 RMU
An outdoor SF6-insulated RMU family for secondary distribution points outside conventional switchrooms.
View technical details →
- 33 kV
33 kV
33 kV RMU
C-SEC's first 33 kV RMU, manufactured at Haridwar under licence from Ormazabal, Spain, has been commissioned in Maharashtra.
View technical details →
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