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| Parte del modelo | Significado |
| ABE | código de serie, Meta-MEC economy MCCB, thermal-magnetic trip, baja capacidad de ruptura (economy type) |
| 40 | Frame rating current 400A |
| 4 | 4 polos (4PAG), suitable for three-phase four-wire system protection |
| B | Breaking capacity class B (10kA@AC380V) |
| 400A | Rated operational current 400A, set by plug module |
- Parámetros técnicos clave
| Artículo | Especificación | Descripción |
| Tipo de producto | Economía Disyuntor de caja moldeada (MCCB) | Viaje termomagnético, fixed mount |
| Tensión nominal | AC 600V, Ui 690V | Cumple con IEC 60947-2 |
| Frecuencia nominal | 50/60Hz | Universal frequency range |
| Capacidad de ruptura | Icu=10kA@AC380V | Class B economy breaking capacity |
| Tipo de viaje | Fixed thermal-magnetic trip | Protección contra sobrecarga (tiempo inverso) + protección contra cortocircuitos (instantáneo) |
| Tensión nominal de aislamiento | Ui=690V | Maximum voltage for insulation performance |
| Mechanical Endurance | 8500 operaciones | Standard operating cycles |
| Electrical Endurance | 1000 operaciones | Operating cycles at rated current |
| Tipo de montaje | tipo fijo | Standard 35mm DIN rail or panel mount |
| Conexión | Conexión frontal / Conexión trasera | Optional for different installations |
| Applicable Standards | CEI 60947-1/2, EN 60947-1/2 | International electrical standards |
- Series Model List (400AF Frame)
| Modelo | polacos | Capacidad de ruptura | Rango de corriente nominal |
| ABE402b | 2PAG | 10el | 250A, 300A, 350A, 400A |
| ABE403b | 3PAG | 10el | 250A, 300A, 350A, 400A |
| ABE404b | 4PAG | 10el | 250A, 300A, 350A, 400A |
| ABS402b | 2PAG | 25el | 250A, 300A, 350A, 400A |
| ABS403b | 3PAG | 25el | 250A, 300A, 350A, 400A |
| ABS404b | 4PAG | 25el | 250A, 300A, 350A, 400A |
| ABH402b | 2PAG | 35el | 250A, 300A, 350A, 400A |
| ABH403b | 3PAG | 35el | 250A, 300A, 350A, 400A |
| ABH404b | 4PAG | 35el | 250A, 300A, 350A, 400A |
- Recommended International Brand Replacements
| Marca | Serie | Modelo de reemplazo | Parámetros clave de coincidencia |
| Schneider | EZD Series | EZD400E4400 | 4PAG, 400A, 10el, thermal-magnetic trip |
| siemens | 3VT Series | 3VT8440-1AA03 | 4PAG, 400A, 10el, thermal-magnetic trip |
| TEJIDO | Tmax Series | T2N400 TMD 400/400 FF 4P | 4PAG, 400A, 10el, thermal-magnetic trip |
| Eaton | Power Defense | LZMN4-A400-I | 4PAG, 400A, 10el, thermal-magnetic trip |
| Interruptor Changshu | CM3 Series | CM3-400M/4300B 400A | 4PAG, 400A, 10el, thermal-magnetic trip |
- Aplicaciones & Notas de selección
- Aplicaciones típicas
End protection in low-voltage distribution systems, p.ej., lighting and power distribution in commercial buildings and industrial plants
Three-phase asynchronous motor protection (≤200kW, 380V)
Protección del banco de condensadores
Small generator outlet protection
- Directrices de selección
Confirm system voltage (≤600V) and frequency (50/60Hz)
Calculate circuit rated current to ensure 400A meets long‑term operation
Evaluate short-circuit level: if >10el, use higher breaking capacity ABS (25el) or ABH (35el) serie
Consider pole requirement: 4P for neutral protection applications
Confirm mounting (fixed/drawout) and connection direction (front/rear)
- Características del producto & Ventajas
- Económico & Practical: ABE series is cost-effective for budget‑limited projects
- Standard Design: Cumple con las normas IEC, interchangeable with other brands
- Reliable Protection: Thermal-magnetic trip provides basic overload and short-circuit protection
- Instalación flexible: Supports front/rear wiring and multiple mounting methods
- Complete Accessories: Can be equipped with auxiliary contacts, contactos de alarma, liberación de subtensión, etc..
- Mantenimiento & Solución de problemas
- Inspección periódica: Inspect appearance and tighten terminals quarterly to avoid looseness or overheating
- Trip Test: Perform manual trip test annually to verify mechanical reliability
- Solución de problemas:
Frequent overload tripping: Check load or replace with higher rated model
Short-circuit tripping: Locate and repair short circuit before closing
No cerrar: Check mechanical jam or replace damaged parts
LS ELECTRIC ABE404B-4P-400A is an economy 4-pole MCCB with 400A rated current and 10kA breaking capacity, suitable for low-voltage distribution systems with moderate breaking requirements. Para mayor capacidad de corte, use ABS (25el) or ABH (35el) serie.
Applications of LS ELECTRIC ABE404B-4P-400A MCCB
Posicionamiento central:
This 4-pole economy MCCB (4PAG, 400A, 10el) is mainly used for end protection in low‑voltage distribution systems, especially where neutral protection is required, short-circuit current ≤10kA, and budget is limited.
- Distribución de edificios comerciales
| Solicitud | Suitability | Selection Tip |
| Main distribution board main breaker | 4P protects 3-phase 4-wire; 400A fits small‑to‑medium commercial buildings | Total load ≤320A (80% duty), short-circuit ≤10kA |
| Main A/C protection | 400A for large central A/C units (≤200kW, 380V) | Match compressor inrush; recommend undervoltage release |
| Emergency lighting | 4P ensures neutral continuity for reliable emergency operation | Use with EPS/UPS; front connection for easy maintenance |
| Elevator room power | 400A for multiple elevators; 4P prevents neutral faults | Install in dedicated cabinet; ensure ventilation |
Casos típicos:
3–5 story office buildings, chain supermarkets, hotels as main or important branch breaker.
- Industrial Plant Applications
- General Machinery
Main breaker for small‑medium production lines: 400A covers multiple branches; 10kA suits general industrial short-circuit levels
Motor group protection: Total power ≤200kW, used with thermal relays for precise protection
Auxiliary equipment: aficionados, zapatillas, compresores; 4P for control circuits with neutral
- Specific Industries
Food processing: Cost-effective for light industry; 4P ensures safety and quality
Electronic assembly: 400A for multiple lines; 4P avoids neutral drift affecting precision equipment
Warehouse power: Main breaker for lighting and forklift charging
Advertencia:
If short-circuit current >10el, upgrade to LS ABS (25el) or ABH (35el).
- Public & Edificios residenciales
- Education & Médico
School main distribution: 4P protects lighting, C.A, computer rooms; 400A for whole building
Community hospital: 4P for medical equipment with neutral; economy for primary care
Stadium auxiliary systems: Iluminación, audio, seats; 400A for local zones
- Infraestructura
Small wastewater treatment: 400A for pumps and blowers; 4P prevents control system failure
Urban landscape lighting: Main breaker for multi-loop lighting with reliable neutral
Small waste transfer station: 400A for compressors and conveyors; low operating cost
- Aplicaciones especiales
- Protección del banco de condensadores
For capacitor banks ≤100kvar; 4P prevents inrush and short-circuit during switching
Recommend adding SPD for surge protection
- Small Generator Systems
Main breaker for generators ≤300kVA; 4P ensures safe isolation from grid
Used with synchronizing equipment for smooth switch between mains and generator
- Temporary Power
Construction site temporary power main breaker; 400A for cranes, welders
4P suitable for harsh site conditions; prevents electric shock from broken neutral
- Key Selection & Application Criteria
| Factor | Recomendado | No apto para |
| Short-circuit level | ≤10kA: adecuado; >10el: use ABS/ABH | Zonas de alto riesgo (químico, minería) con >10el |
| Tipo de carga | Resistive & inductive loads (iluminación, motores) | Large rectifiers, arc furnaces, high nonlinear loads |
| Earthing system | TN-S, sistemas TT (4P neutral protection) | IT systems (operating rooms, minas) |
| Ambiente | Indoor dry, ≤40°C | Exterior, damp, explosive areas (needs special enclosure) |
| Operation frequency | Operación poco frecuente (≤12/day) | Frequent duty (grúas, elevator main circuits) |
- Application Advantages
- Económico: High cost-performance for budget projects
- Protección total: 4P design covers 3-phase + neutral for modern distribution
- Cumplimiento estándar: CEI 60947-2, interchangeable with major brands
- Instalación flexible: Cableado delantero/trasero + 35carril DIN mm
- Reliable: Mecánico 8500, eléctrico 1000 operaciones
Best Combination:
Use ABE404B-4P-400A as main breaker + LS MCBs for branch protection to form a reliable two‑stage system.
For higher performance or electronic protection, upgrade to ABS (25el), ABH (35el), or ABN (viaje electronico) serie.
