MINIVER/C series is a set of prefabricated units, for internal use, in modular composition. these metal clad units have a metallic structure in LSC2B-pM class, air insulated and ready to be equipped with interrupting devices, vacuum insulated in withdrawable execution.
Principal features of the MINIVER/C
- Wide range of functional units
- Modular structure
- Internal arc version (if requested)
- Equipped with mechanical and electrical interlocks for maximum safety
- Easy installation and maintenance operation
- Certifications on type tests and acceptance tests available
- Can be equipped with any type of relay chosen by the customer (for example: ABB, Stucke, Siemens, Schneider Electric etc..)
- Also available with short circuit limiting devices such as ABB IS LimiterTM
With its features the MINIVER/C range is ideal for offering solutions designed for being adapted to every type of applications, maintaining the continuity of service and safety for operators.
The flexibility of Medium voltage switchgears make them suitable for several installations in important electrical plants as:
- Industry (Cement, Petrochemical, Metallurgy, paper)
- Utilities and Distribution (Power plants, substations, cogeneration, new technology energy)
- Marine (Passenger ships, Military ships, special ships, off shore)
- Transport (Railways, Underground transport, airports)
Reference standards
Approved by the RINA / ABS / DNV / LOYD / BV Naval Registers, the MINIVER/C range complies with the following international standards:
- IEC 62271-1 – general rule for high voltage devices
- IEC 62271-200 – metal-enclosed switchgear and controlgear for rated voltage above 1kV and up to and including 52kV
Electrical Features
| Rated voltage | kV | 7,2 | 12 | 17,5 | 24 |
| Rated insulation voltage | kV | 7,2 | 12 | 17,5 | 24 |
| Rated power frequency withstand voltage | kV (1 min) | 20 | 28 | 38 | 50 |
| Rated lightning impulse withstand voltage | kV | 60 | 75 | 95 | 125 |
| Rated frequency | Hz | 50-60 | 50-60 | 50-60 | 50-60 |
| Rated short time | kA (1s) | 50 | 50 | 50 | 25 |
| kA (3s) | 50 | 50 | – | – | |
| Peak current | kA | 125 | 125 | 125 | 63 |
| Internal arc withstand current | kA (1s) | 50 | 50 | 50 | 25 |
| Main busbar rated current | A | 4000 | 4000 | 4000 | 2500 |
| Branch connection rated current | A | 630 | 630 | 630 | 630 |
| 1250 | 1250 | 1250 | 1250 | ||
| 1600 | 1600 | 1600 | 1600 | ||
| 2000 | 2000 | 2000 | 2000 | ||
| 2500 | 2500 | 2500 | 2500 | ||
| 3150 | 3150 | 3150 | – | ||
| Branch connection rated current | A | 3600 | 3600 | 3600 | 2500 |
| 4000 | 4000 | 4000 | – |
Modular MV metal clad switchgears with withdrawable vacuum circuit breakers
The MINIVER/C switchgear is a modular, sectional Medium-Voltage solution designed to ensure service continuity, maximum safety, and operational flexibility.
This range of air-insulated, metal-clad MV switchgear with internal prefabricated units stands out for its use of withdrawable vacuum circuit breakers and the LSC2B-PM configuration, which ensures high performance in terms of protection and reliability.
Thanks to its compact design and customization options, the MINIVER/C is perfectly suited to the needs of complex industrial plants and highly critical applications.