Products - Medium voltage air insulated switchgear 10 kV up to 4000 A rated current

Having analyzed the experience of many European and Japanese manufacturers of the medium voltage switchgear equipment 10 kV, our company developed and manufacture metal enclosure air insulated switchgear model IS&T 10 kV, which can be offered, supplied and installed on European and Russian market.

Switchgear IS&T 10 kV Conception:

Technical characteristics of Switchgear IS&T 10 kV:

Parameter Value
Rated voltage, kV 6; 10
Maximum rated voltage, kV 7,2; 12
Rated current, A …4000
Main busbar rated current, A …4000
Rated short circuit current, kA …40
Rated short-time withstand current, kA x 3 sec. …40
Peak withstand current, kA x 1 sec. …81
Overall dimensions:
- Height, mm 2200
- Width, mm 650/750/800/1000
- Depth, mm 1350

Typical unit compartment diagram of Switchgear IS&T 10 kV with vacuum circuit breaker:

A – Circuit breaker compartment B – Main busbar compartment C – Cable compartment D – Protective relay compartment

Single line diagram of typical units:

Switchgear IS&T 10kV integration in the “Digital substation” system: