Minifluor

The Minifluor product range consists of several indoor modular prefabricated units, air insulated up to 24 KV, which can be equipped with cutting and disconnecting devices such as:

• Three-position SF6 switch-disconnectors, FLUORSWITCH series.
• Three-position SF6 isolators, FLUORSWITCH series.
• Additional air-insulated earthing switches
• Vacuum or SF6 circuit breakers.

Electrical characteristics

Rated voltage	Ur [kV]	12	17,5	24
Value of nominal isolation at operating frequency
between the phases and to ground	Ud [kV]	28	38	50
between open contacts	Ud [kV]	32	45	60
Rated lightning impulse withstand voltage
between the phases and to ground	Up [kV]	75	95	125
between open contacts	Up [kV]	85	110	145
Rated frequency	Hz	50/60
Nominal thermal current of main busbars	Ir [A]	400 – 630 – 800 – 1250
Rated short-time current allowed
for 1 s	Ik [A]	fino a 20 KA
for 3 s	Ik [kA]	12,5 – 16
Rated peak current	Ip [kA]	31,5 – 40 – 50
Internal arc withstand current 1 s	[kA]	16
Gas pressure (at 20°) of the switch disconnector/line-side isolator	psw [MPA]	0,13

MINIFLUOR MAIN CHARACTERISTICS

• Wide range of functional units
• Modularity
• Versions with internal arc protection (upon request)
• Mechanical and electrical interlocks available for maximum safety
• Compact design and optimum space utilisation
• Possibility to be pushed against the wall
• Easy installation and simple maintenance
• Product certifications, Acceptance and Type Tests

FIELDS OF APPLICATION

MINIFLUOR switchboards are used for medium voltage secondary power distribution: transforming substations controlling and protecting lines/transformers.

Considering their compact design, they are specially recommended for indoor installation, even in small rooms and prefabricated substations / CONTAINERS.

EXAMPLES OF APPLICATIONS

• Power supply systems
• Wind power plants
• Photovoltaic systems
• Underground and railway plants
• Electric power station
• Industry
• Ports, airports, hospitals, etc

STANDARDS

The equipment complies with the following standards:

• CEI EN 62271-200
• IEC 62271-200

More specifically, Minifluor switchboards are classified as follows:

• Service continuity: LSC2A
• Classification of partitions: PM

Internal arc: IAC AFLR (upon request only)