| Product Model | KYN28-24-1250-31.5 |
| Voltage | 20kV |
| Type | Indoor metal-clad withdrawable (centrally mounted) AC metal-enclosed switchgear |
| Enclosure Material | Aluminum-zinc coated steel sheet (~2.5mm), multi-folded and assembled |
| Rated Voltage | 24kV |
| Dimensions (L×D×H, mm) | Approx. 800~1000 × 1500~1610 × 2300mm (customizable) — 24kV requires higher insulation, slightly larger than 12kV type |
| Function | Receive and distribute 20kV power; perform control, protection and monitoring; equipped with 24kV vacuum circuit breaker |
| Features | Same structure as KYN28-12, but higher insulation level (1min power-frequency 65kV, lightning impulse 125kV); complete five-protection interlock |
| Degree of Protection | Enclosure IP4X; IP2X when circuit breaker compartment door open (optional) |
| Installation Method | Indoor floor-mounted; single busbar / single busbar sectionalized |
| Operation Method | Electric spring energy-storage operating mechanism (electric / manual) |
| Protection Configuration | Over-current, instantaneous trip, single-phase earth fault (zero-sequence) and other relay protection; with CT, microprocessor-based integrated protection |
| Busbar Specification | Copper busbar (TMY); main busbar selected per rated current |
| Application Site | 20kV distribution systems (partial 20kV urban networks, industrial & mining, petrochemical, metallurgy, etc.) |
| Corrosion Resistance Level | Aluminum-zinc coated sheet + powder coating, standard C3 (customizable) |
| With Instrument Room | Yes (LV instrument room at upper front of cabinet) |
| Applicable Standards | GB/T 3906, GB/T 11022, DL/T 404, IEC 62271-200 |
| Certification Status | Type test report; CCC/CQC and other certifications subject to manufacturer |
| Packaging Method | Wooden case / steel frame + moisture-proof; whole-cabinet or split transport |
| Production Lead Time | Typically approx. 15~30 days (depending on configuration) |
| Supported Trade Terms | EXW / FOB / CIF / CFR etc. (subject to manufacturer) |
| Applicable Scenarios / Industries | 20kV distribution systems, substations, industry, new energy |
