S8VK: OMRON S8VK series switching fuente de alimentación
t: Model for three-phase AC400V input
120: Rated power 120W
24: DC24V output
Especificaciones principales
| Artículo | Parámetro |
| Entrada nominal | Three-phase AC380~480V; Operating range AC320~576V (works with three-phase or two-phase input), DC 450~810V |
| Salida nominal | CC 24 V, 5A, 120W. |
| Salida máxima | 120% sobrecarga (6A) auto-recovery protection |
| Eficiencia | Típico 89% |
| Montaje | Montaje en carril DIN35, terminales de tornillo |
| Dimensiones generales | H125 × W40 × D113 mm |
| Enfriamiento | Refrigeración por convección natural, sin ventilador |
| Protección de ingreso | IP20 |
| Temperatura ambiente de funcionamiento | -40~+70℃ (derating required at high temperature, no condensation or icing) |
| Funciones de protección | sobrecorriente (sobrecarga, auto-recovery), sobretensión (latch-off, reset by power cycle), undervoltage alarm |
| Funciones adicionales | máx.. 2 units in series (external diode required); Conformal coated PCB optional; MTBF≥135,000 hours |
Definición de terminal
- L1, L2, L3: Three-phase AC input
- educación física: Tierra protectora
- +V, -V: DC24V output
- V.ADJ: Output voltage trim potentiometer
- DC ON: Green indicator for normal output
Escenarios de aplicación típicos
Three-phase industrial control cabinets, maquinas herramientas, equipo de embalaje, HVAC automatic control, 380V powered automated production lines, supplying DC24V for PLCs, sensores, relays and valve islands.
In-series Comparison
S8VK-T12024: 120W. / 5A / Width 40mm
S8VK-T24024: 240W /10A / Width 60mm
S8VK-T48024: 480W /20A / Width 95mm
S8VK-T96024: 960W /40A
Referencia de selección alternativa
- OMRON single-phase version: S8VK-C12024 (also 120W/24V, single-phase 220V input, no confundas)
- Alternativas domésticas: Meanwell DRT-120-24, Delta DRP0120, Phoenix Contact three-phase 24V/5A rail power supply
Pautas para la solución de problemas
- DC indicator off: Check three-phase input voltage, PE earthing, input circuit breaker; failure to start if two phases are missing
- Voltage drop under load: Load exceeds rated 5A; high-temperature derating; low input voltage
- Intermittent undervoltage alarm: Main circuit voltage fluctuation, loose terminal wiring
- Overvoltage latch-off: Triggered by output overvoltage, restore by power cycling; check for load short circuit / reverse voltage
OMRON S8VK-T12024 Detailed Technical Specifications
Three-phase 380V input DIN rail switching power supply, rated 120W DC24V/5A
- Input Specifications
| Artículo | Parámetro |
| Rated Three-phase Input | AC380~480V, 50/60Hz |
| Three-phase Operating Voltage Range | AC320~576V |
| Two-phase Input Range | AC340~576V (two-phase operation supported) |
| Entrada CC | DC450~810V |
| Corriente de entrada | Aprox.. 0.45A @ AC400V full load |
| Corriente de irrupción | Internally limited |
| Recommended Circuit Breaker | B/C/D type, 5~20A (trifásico); 2~20A (bifásico) |
| Recommended Fuse | 600Vcc, 5A fast blow |
- Output Specifications
| Artículo | Parámetro |
| Tensión de salida nominal | CC 24 V |
| Corriente de salida nominal | 5A |
| Potencia nominal | 120W. |
| Output Adjustment Range | 24V±10% (V.ADJ potentiometer) |
| Ripple & Ruido | 120mVp-p (típico) |
| Capacidad de sobrecarga | Overload protection activates at 121% corriente nominal, auto-recovery |
| Protección contra sobretensión | Triggered at approx.130% rated voltage, latches off output, reset by power cycle |
| Undervoltage Alarm | Built-in undervoltage detection signal |
| Operación paralela | Multiple units parallelable (follow current-sharing requirements) |
| Series Operation | máx.. 2 units in series, external isolation diode required |
- Aislamiento & Tensión soportada
- Input ↔ Output: AC3000V, 1mín., cut-off current 20mA
- Input ↔ PE: AC2500V, 1mín., cut-off current 20mA
- Output ↔ PE: AC1000V, 1mín., cut-off current 30mA
- Resistencia de aislamiento: ≥100MΩ (DC500V, between input/output/PE)
- Condiciones ambientales
| Artículo | Parámetro |
| Temperatura de funcionamiento | -40℃~+70℃ (derating required above 50℃, no condensation or icing) |
| Temperatura de almacenamiento | -40℃~+85℃ |
| Humedad relativa | 0~95% HR (operación & almacenamiento, sin condensación) |
| Resistencia a las vibraciones | 10~55Hz, amplitude 0.375mm, 2 hours per axis for 3 ejes |
| Resistencia a los golpes | 150m/s², 3 shocks per direction for 6 directions |
| Método de enfriamiento | Refrigeración por convección natural, sin ventilador |
| Protección de ingreso | IP20 (para uso interno del gabinete) |
- Especificaciones mecánicas
Montaje: DIN35mm rail mounting
Dimensiones: H125 × W40 × D112.2 mm
Terminales: Screw-type terminals
Peso: Aprox.. 600gramo
Opcional: Conformal coated PCB version (anticorrosión & a prueba de polvo)
- Fiabilidad & Certificaciones
MTBF: ≥135,000 hours
Indicador: Green DC ON lamp, illuminates when output ≥80~90% rated voltage
Certificaciones de seguridad: UL, CSA, CE and other global industrial standards
- Definición de terminal
- L1, L2, L3: Three-phase AC input
- educación física: Tierra protectora (must be earthed reliably)
- +V, -V: DC24V output
- V.ADJ: Output voltage trim potentiometer
- Summary of Protection Functions
✅ Overload protection (auto-recovery)
✅ Short-circuit protection (auto-recovery)
✅ Output overvoltage protection (latch-off, reset by power cycle)
✅ Built-in undervoltage monitoring
✅ Input surge suppression
- Notas críticas
- Derating is mandatory when ambient temperature>50℃
- Load capacity will be limited under two-phase input
- External diodes are mandatory for series connection; direct series connection is prohibited
- PE terminal must be reliably earthed to comply with safety standards
OMRON S8VK-T Three-phase DIN Rail Power Supply Full Series List
S8VK-T: Three-phase AC380~480V input, DC24V output, Montaje en carril DIN35, fanless natural cooling; sufijo -400 = conformal coated PCB (for dust, moisture and corrosive environments)
Standard Models
| Modelo | Potencia nominal | Producción | Corriente nominal | Peak Boost Current | Dimension W×H×D(milímetros) |
| S8VK-T12024 | 120W. | CC 24 V | 5A | 6A | 40 × 125 × 112.2 |
| S8VK-T24024 | 240W. | CC 24 V | 10A | 12A | 60 × 125 × 140 |
| S8VK-T48024 | 480W. | CC 24 V | 20A | 24A | 95 × 125 × 140 |
| S8VK-T96024 | 960W. | CC 24 V | 40A | 48A | 135 × 125 × 170 |
Conformal Coated (Anti-corrosion) Modelos
| Coated Model | Corresponding Standard Model | Fuerza | Observaciones |
| S8VK-T12024-400 | S8VK-T12024 | 120W. | PCB with coating, for dusty and humid environments |
| S8VK-T24024-400 | S8VK-T24024 | 240W. | PCB with coating |
| S8VK-T48024-400 | S8VK-T48024 | 480W. | PCB with coating |
| S8VK-T96024-400 | S8VK-T96024 | 960W. | PCB with coating |
Lista de accesorios
| Modelo de accesorio | Descripción | Applicable Units |
| S82Y-VK10F | Front mounting bracket | T12024 (120W.) |
| S82Y-VK20F | Front mounting bracket | T24024 / T48024 (240W., 480W.) |
| S8VK-R10 | Redundancy module 10A | For power redundancy with S8VK-T |
| S8VK-R20 | Redundancy module 20A | For power redundancy with S8VK-T |
Common Specifications for Entire S8VK-T Series
- Aporte: Three-phase AC380~480V; operating range AC320~576V; two-phase input supported; DC450~810V DC input
- Producción: CC 24 V, adjustable range 24V±10% (V.ADJ potentiometer)
- Protección: Sobrecarga / cortocircuito (auto-recovery), output overvoltage latch-off (reset by power cycle), built-in undervoltage monitoring
- Ambiente: Operating temperature -40℃ ~ +70℃, derating required above 50℃; fanless natural cooling; IP20 cabinet use
- Tensión soportada: Input↔Output AC3000V 1min; Input↔PE AC2500V 1min; Output↔PE AC1000V 1min
- Montaje: DIN35 rail, terminales de tornillo; multiple units parallelable for capacity expansion; máximo. 2 units in series (external diode required)
Consejos de selección rápida
All models are single DC24V output. S8VK-T series has no other voltage options (12V/48V not available in T series)
Model without -400: Standard PCB for normal control cabinets; with `-400`: Coated board for dusty, humid and corrosive gas environments
S8VK-T is three-phase power supply, do not confuse with single-phase S8VK-C / S8VK-G
Redundant power supply requires separate S8VK-R redundancy module
OMRON S8VK-T Three-phase DIN Rail Power Supply Cross-Brand Model Comparison Table
Matching prerequisites: Three-phase AC380~480V input, DC24V output, DIN35 rail mount, fanless natural cooling. Grouped into【Premium International Brands】【Taiwan Brands】【Domestic Industrial Brands】; replacement rating marked. ⚠️Differences exist in dimension, disposición de terminales, BOOST capability and PCB coating. Drawings must be verified for direct replacement.
| OMRON Original Model | Spec. | Contacto Fénix | Meanwell | Meanwell Remarks | siemens | Delta |
| S8VK-T12024 (120W/5A) | 3-phase 380V input 24V 5A | QUINT4-PS/3AC/24DC/5 PN:2904620 | TDR-120-24 | DRT-120 obsolete; TDR is replacement; three-phase input, sin ventilador | 6EP3436-8SB00-0AY0 | DRL-24V120W3ENA |
| S8VK-T24024 (240W/10A) | 3-phase 380V input 24V 10A | TRIO-PS/3AC/24DC/10 2866459 | TDR-240-24 | DRT-240 obsolete; new TDR, paralelo | 6EP3437-8SB00-0AY0 | DRL-24V240W3ENA |
| S8VK-T48024 (480W/20A) | 3-phase 380V input 24V 20A | TRIO-PS/3AC/24DC/20 2866462 | TDR-480-24 | DRT-480 obsolete; new TDR, parallel expansion supported | 6EP3438-8SB00-0AY0 | DRL-24V480W3ENA |
| S8VK-T96024 (960W/40A) | 3-phase 380V input 24V 40A | TRIO-PS/3AC/24DC/40 2866404 | TDR-960-24 | DRT-960 obsolete; new TDR, max 40A output | 6EP3440-8SB00-0AY0 | DRL-24V960W3ENA |
Versión con revestimiento conformado (-400 Anti-corrosion) Referencia cruzada
S8VK-Txxx24-400 (PCB conformal coating for dusty/humid/corrosive environments)
- Contacto Fénix: QUINT4 series Coated version (coating option via suffix)
- Meanwell TDR: Custom conformal coating available (standard TDR uncoated, custom order required)
- siemens: SITOP PSU coated version
- Doméstico: RDW series with three-proof coating
Redundancy Module Cross Reference (S8VK-R10 / S8VK-R20)
| OMRON Redundancy Module | Phoenix Redundancy | Meanwell Redundancy | Siemens Redundancy |
| S8VK-R10 (10A) | QUINT-DIODE/12-24DC/10 | DR-RDN20 | 6EP1961-3BA01 |
| S8VK-R20 (20A) | QUINT-DIODE/12-24DC/20 | DR-RDN20 | 6EP1961-3BA21 |
Key Difference Notes (Enfoque de selección)
- BOOST Peak Capacity
S8VK-T fixed 120% Power Boost for all models; Phoenix QUINT4 has stronger dynamic BOOST for short-time peak loads; Meanwell TDR uses conventional constant current limiting.
- Características de entrada
OMRON S8VK-T supports two-phase input. Some competitors’ three-phase power supplies do not support two-phase single-side power supply, verify carefully for retrofit projects.
- Dimensión & Instalación
OMRON S8VK-T is compact narrow-width design; Phoenix TRIO and Siemens SITOP models of same power are generally wider. DIN rail mounting space is the most common bottleneck for direct replacement.
- Protection Logic Difference
S8VK-T overvoltage protection is output latch-off, reset by power cycle. Some competitors adopt hiccup auto-recovery, which may affect control system logic.
- Rango de temperatura
OMRON S8VK-T features -40℃ cold start advantage; some Taiwan and domestic brands have lower limit of -30℃, use caution for cold-region equipment.
Selection Recommendation Strategy
Equipos de exportación, alta confiabilidad, cold environment: Prefer Phoenix QUINT4 / Siemens SITOP
Prioridad de costos, ordinary domestic automation equipment: Meanwell TDR series
Budget control for domestic projects: Domestic RDW three-phase DIN rail power supply
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