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KYN28 Series - 40.5kV Withdrawable HV Switchgear with VCB
The KYN28 series 40.5kV withdrawable switchgear features compact design with integrated vacuum circuit breakers. Suitable for mining, petrochemical, and power plant auxiliary power distribution applications requiring reliable medium voltage switching.
Model Number Breakdown
Applications
Mining industry power distribution
Petrochemical plant switchgear rooms
Power plant auxiliary power systems
Large industrial facility MV distribution
Key Features
- 40.5kV rated voltage for MV distribution
- Withdrawable VCB design for easy maintenance
- Compact footprint for space-constrained installations
- Suitable for mining and petrochemical environments
Specifications Range
All specifications and dimensions can be customized upon request
Model Selector
| Key parameters | Model Range |
|---|---|
| Rated Voltage | 40.5 |
| Rated Current | 1250–2500 A |
| Breaking Current | 25–31.5 kA |
| Short-time Withstand Current | 25–31.5 kA |
| Protection Level | IP4X |
| Mechanical Life | 10000 ops |
| Operating Mechanism | Spring-operated (integrated VCB) |
| Standard | GB3906, IEC 62271-200 |
| Compare | Model | Series | Rated voltage (kV) | Current (A) | Frequency (Hz) | Standard | Weight | Dimensions |
|---|---|---|---|---|---|---|---|---|
| KYN28-40.5/1250-25 | KYN28 | 40.5 | 1250 | 50 | GB3906, IEC 62271-200 | 1000 kg | 800×1500×2300 mm | |
| KYN28-40.5/1250-31.5 | KYN28 | 40.5 | 1250 | 50 | GB3906, IEC 62271-200 | 1000 kg | 800×1500×2300 mm | |
| KYN28-40.5/2000-25 | KYN28 | 40.5 | 2000 | 50 | GB3906, IEC 62271-200 | 1000 kg | 800×1500×2300 mm | |
| KYN28-40.5/2000-31.5 | KYN28 | 40.5 | 2000 | 50 | GB3906, IEC 62271-200 | 1000 kg | 800×1500×2300 mm | |
| KYN28-40.5/2500-25 | KYN28 | 40.5 | 2500 | 50 | GB3906, IEC 62271-200 | 1000 kg | 800×1500×2300 mm | |
| KYN28-40.5/2500-31.5 | KYN28 | 40.5 | 2500 | 50 | GB3906, IEC 62271-200 | 1000 kg | 800×1500×2300 mm |
Product Drawing
High Voltage Switchgear - KYN28-40.5/1250-25
Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.
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Certification
The values below are computed from what you selected above. Anything that cannot be computed yet is shown as an em dash — never as zero.
Iₙ = S / (√3·U) · I_sc = 100·Iₙ / uₖ · S_sc = √3·U·I_sc · I_p = k·Iₖ
Still required to complete the calculation: rated capacity S, impedance voltage uₖ, short-time or peak withstand current.
Per-model values (P0 / Pk / uₖ declared by the factory, losses, noise, temperature rise, dimensions, weight) are not in the product library: those rows stay at an em dash until the factory parameter sheet is supplied. An em dash means the value is unavailable — it is never rendered as zero.
Reference prices are for estimation only and do not constitute a formal offer.
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