IEC 62271, ANSI/IEEE Std C37, NEMA
ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA
Seismic design, ETGI-1.020, IEEE Std 693, NCh2369
Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1
High altitude correction per IEC 62271 & IEEE C37, ~ 5000m
Modular and Robust design for low maintenance and critical power application
SF6 free switchgear, vacuum circuit breaker for safe, compact and reliable solutions
Air Insulated MV Switchgear (AIS) 36kV
General rating | |
Rated voltage | 36/38kV |
Lightning impulse withstand voltage (BIL) | 170kV |
Power frequency withstand voltage (1 min) | 70kV |
Rated frequency | 50/60Hz |
Internal arc class | AFLR 31.5kA/1s |
Loss of service continuity category | LSC2B |
Partition class | PM |
Earthing circuit | 25/31.5/40kA-4s |
Accessibility of compartments | |
Circuit breaker compartment | Interlock-controlled |
Busbar compartment | Tool-based/non-accessible |
Cable compartment | Tool-based or Interlock-controlled |
External degree of protection | IP4X |
Internal degree of protection | IP2X |
Installation | Indoor |
Temperature classification | -15 to +40°C |
Relative humidity (max) | 95% |
Busbar system | |
Rated normal current | 1250A, 1600A, 2000A, 2500A, 3150A FC[1] |
Rated short-time withstand current | 25/31.5/40kA-4s |
Rated peak withstand current | 63/80/100kA |
[1] FC = Fan cooled. | |
Circuit breaker ratings | |
Rated normal current | 630A, 1250A, 1600A, 2000A, 2500A, 3150A |
Rated short-circuit breaking current | 25/31.5/40kA-4s |
Rated short-circuit making current | 63/80/100kA |
Rated short-time withstand current | 25/31.5/40kA |
Single capacitor bank switching | 630A |
Multiple capacitor bank switching back to back | 400A |
Class | E2, M2, C2 |
Breaking number of short-circuit current | 50 |
Auxiliary voltage | AC110/220 DC110/220 |
Mechanism | |
Rated operating sequence | O - 0.3s - CO - 180s - CO |
Class | M2 |
Number of operations | ≥20,000 times |
Number of operations interrupter | ≥20,000 times |
