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Produto: EvoPacT HVX Indoor Medium-Voltage Vacuum Circuit-Breaker (Trolley-type), compatível com KYN28-12 switchgear gabinete.
Model Decoding HVX12-25-06E150
| Campo | Significado |
| HVX | Schneider embedded‑pole vacuum circuit‑breaker series |
| 12 | Rated voltage 12 kV |
| 25 | Rated short‑circuit breaking current 25 kA |
| 6 | Rated current 630 A |
| E | Trolley‑type (extraível); F = Fixed‑type |
| 150 | Phase‑to‑phase distance 150 mm (KYN28 standard 150 mm; 210 mm option available) |
Parâmetros técnicos principais
| Item | Especificação |
| Rated voltage Ur | 12 kV |
| Rated current Ir | 630 UM |
| Rated short‑circuit breaking current Isc | 25 ka |
| Corrente suportável de curta duração | 25 kA‑3 s |
| Lightning impulse withstand voltage | 75 kV |
| Power‑frequency withstand voltage | 42 kV |
| Phase‑to‑phase distance | 150 milímetros |
| Configuração | Withdrawable trolley type E |
| Resistência mecânica | Class M2 ≥20 000 operations |
| Resistência elétrica | Class E2; Class C2 – Frequent capacitor switching capability |
| Main‑circuit resistance (Tipo E) | ≤80 μΩ |
| Intrinsic opening time | 30‑60 ms; Closing time 40‑70 ms |
Coil voltages shall be specified at order: common options DC220V / AC220V. Scope includes charging motor, closing coil and opening coil. Opcional: K0 anti-pumping function, Y1 closing-blocking solenoid.
Aplicativo
For 10 kV KYN28-12 switchgear, applied to transformer, cabo, motor and capacitor circuits. Widely used in industrial & mining power distribution, subestações, petro-chemical plants. Complies with GB1984 and IEC62271-100 standards.
Substituição & Compatibilidade
- Equivalente nacional: VS1-12/630-25 (trolley-type, 150 mm phase spacing). Verify operating mechanism, secondary connector and trolley dimensions.
- Schneider upgraded variant: New-generation EvoPacT HVX-D digital version, equipped with condition-monitoring function.
Manutenção & Inspection Checklist
- Contact-resistance test: ≤80 μΩ for Type E-630A. Exceedance requires inspection of contact fingers, tulip contacts and main-circuit bolt torque.
- Mechanical-characteristic test: opening/closing time, contact bounce, stroke and over-travel.
- Power-frequency withstand-voltage test for vacuum interrupter.
- Verify trolley interlock (insert/extract) and integrity of secondary connector.
- Complete Ordering Configuration for HVX12-25-06E150
Modelo básico: HVX12-25-06E150 (12 kV / 630 UM / 25 ka, withdrawable trolley-type, 150 mm phase spacing, for KYN28-12 cabinet)
🔹Mandatory Secondary Voltage (must be defined in purchase order)
| Componente | Common Voltage Options | Observações |
| Charging motor M1 | CC220V / AC220V | Spring‑energy‑store drive |
| Closing coil F2 | CC220V / AC220V | Closing actuation |
| Opening coil F11 | CC220V / AC220V | Main opening coil |
Fornecimento padrão: 1× opening coil F11. Dual-trip configuration: F11+F12.
🔹Standard Factory-Fitted Scope
- Auxiliary switch: 4 NÃO + 4 NC (S11/S12)
- Spring-charged position switch S2 (charged / discharged signal)
- Trolley-position switch S6 (test position / service-position signal)
- Trolley chassis mechanism, secondary aviation connector
- K0 mechanical anti-pumping (padrão)
🔹Optional Add-ons (project-specific selection)
| Código de opção | Descrição | Aplicação Típica |
| A1 | Closing‑blocking solenoid | Prevent closing without spring energy; widely required for assembled switchgear |
| F12 | Second opening coil | Dual‑trip path for protection relays |
| F4 | Liberação de subtensão | Automatic trip upon busbar voltage loss |
| F3 | Over‑current release (CT‑driven) | Tripping directly via current transformer, no protection relay |
| S41‑S43 | Push‑button auxiliary contacts | Status feedback for panel‑mount close/open push‑buttons |
| X01 | Secondary terminal block | Replace aviation connector with hard‑wired terminals |
| Extra auxiliary contacts | Até 8 additional contact pairs | Multi‑signal‑loop requirements |
| Mechanical lock kit | Two‑locks‑one‑key / Three‑locks‑two‑keys | Anti‑mis‑operation & interligado |
| Motorized trolley | Motor‑driven trolley in/out | Unattended substations |
Sample complete order text:
HVX12-25-06E150, M1-DC220V, F2-DC220V, F11-DC220V, A1, K0
- Comparação: HVX12-25-06E150 vs VS1-12/630-25 (Trolley-type, 150 mm phase spacing)
| Item | Schneider HVX12‑25‑06E150 | Domestic VS1‑12/630‑25 (Trolley‑150 mm) |
| Cabinet compatibility | KYN28‑12, 150 mm phase spacing, mechanically interchangeable | KYN28‑12, 150 mm phase spacing, physically interchangeable |
| Interrupter | Schneider VG embedded pole, APG epoxy resin, integrated pole module | Separate vacuum bottles; large quality variance among manufacturers |
| Performance class | M2 ≥20 000 operations; E2 electrical endurance; C2 capacitor‑switching rating | M2 for premium brands; M1 only for low‑end makers; C2 rating not always available |
| Main‑circuit resistance | ≤80 μΩ | ≤100 μΩ; wide scatter across vendors |
| Operating mechanism | Modular spring mechanism; bobinas & motor field‑replaceable, easy disassembly | Monolithic mechanism; higher repair difficulty |
| Secondary interface | Standard aviation connector; terminal‑block option available | Mostly aviation connector; terminal‑block version custom‑built |
| Interlock features | Full portfolio: Y1 closing block, liberação de subtensão, key‑locks, motorized trolley | Basic interlocks included; special functions require retro‑fitting |
| Manutenção | Projeto modular; defective components replaceable on‑site, no full‑unit factory return | Mostly complete‑unit repair required |
| Custo | Premium imported brand, preço mais alto | Custo-benefício; 30‑60 % lower price |
| Use cases | Critical substations, petro‑chemical, data‑centres, high‑reliability installations | General‑purpose industrial plants, routine distribution retrofits |
⚠️Notas de substituição (HVX ↔ VS1)
- Primary-circuit phase-to-phase distance 150 mm must match exactly, otherwise contact fingers cannot mate properly.
- Pin-out definition of secondary aviation connectors differ: Direct plug-in is invalid; secondary wiring modification is mandatory.
- Coil and charging-motor operating voltages shall remain identical.
- Trolley chassis dimensions are broadly compatible; dimensional tolerances of some domestic cabinets may require on-site adjustment.
III. Hand-over & Preventive-Test Checklist
- Main-circuit resistance test: ≤80 μΩ. Investigate tulip-contact condition and bolt torque if exceeded.
- Mechanical-characteristic measurement: opening 30-60 ms; closing 40-70 ms; check bounce, AVC, over-travel.
- Vacuum-interrupter power-frequency withstand: 42 kV / 1 min; lightning impulse 75 kV.
- Measure coil & motor resistance; verify rated operating voltage.
- Interlock validation: test-position / service-position interlock, Y1 closing block, K0 anti-pumping.
- Operate trolley in/out; inspect secondary-connector mating and extraction.
