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Complete Technical Parameters of Siemens 3WL1116/3WL1216 1600A ETU45B-G-LCD-3P
The parameters cover dimensions including basic electrical characteristics, capacidade de interrupção, trip unit, mechanical & environmental performance, communication and installation, facilitating engineering selection and system matching.
- Parâmetros Elétricos Básicos
| Item de parâmetro | Specification Value | Observações |
| Série de produtos | Siemens SENTRON 3WL | Disjuntor de ar (ACB) |
| Frame Size | 3WL1116 (Frame I) / 3WL1216 (Frame II) | 3WL1116: Capacidade de interrupção padrão; 3WL1216: High breaking capacity |
| Corrente nominal (Em) | 1600UM | Frame size current 1600A, setting range 0.4–1In |
| Número do pólo | 3P | Three-pole, 3-phase main circuit |
| Tensão operacional nominal (Ué) | 690V e | 50/60Hz, compatível com IEC 60947-2 |
| Tensão nominal de isolamento (interface do usuário) | 1000V e | Benchmark value for insulation withstand capability |
| Tensão nominal suportável ao impulso (Um) | 12kV | Compatível com IEC 60947-1 |
| Rated Short-time Withstand Current (Icw) | Frame I: 66kA/1s; Frame II: 80kA/1s | Ensures short-time thermal stability at 500V |
| Quebrando Capacidade (UTI) | Frame I: 55/66o; Frame II: 80/100o | Ultimate breaking capacity at 500V; Frame II offers higher breaking capacity |
- Parameters of ETU45B-G-LCD Electronic Trip Unit
| Function Module | Specification Value | Descrição |
| Protection Type | LSIG (eu: Overload/Long-time Delay; S: Short-circuit/Short-time Delay; EU: Instantaneous Short-circuit; G: Ground Fault) | Complete power distribution protection configuration |
| Proteção contra sobrecarga (eu) | Characteristic Curve: I²t/I⁴t selectable; Setting Range: 0.4–1In | I⁴t characteristic improves selectivity with downstream devices |
| Short-time Delay Short-circuit Protection (S) | Setting Current: 2–10 pol.; Time Delay: 0.1–0.4s | Adjustable inverse/definite time delay to prevent selective tripping |
| Instantaneous Short-circuit Protection (EU) | Setting Current: 2–10 pol. | Rapid short-circuit current interruption without time delay |
| Proteção contra falta à terra (G) | Setting Current: 0.2–0.8In; Time Delay: 0.1–2s | Detects ground faults to avoid equipment damage |
| Display & Operação | LCD screen, rotary coding switch | Real-time display of current, trip cause and fault records |
| Método de redefinição | Manual/Auto selectable | Quick power supply recovery after fault clearance |
III. Mecânico & Environmental Parameters
| Item de parâmetro | Specification Value | Observações |
| Vida Mecânica | 150,000 operações | No-load operation, compatível com IEC 60947-2 |
| Vida Elétrica | 10,000 operações (AC-3, at rated current) | On-load breaking life, related to operating frequency |
| Operating Mechanism | Spring-loaded energy storage type (manual/electric optional) | Electric mechanism suitable for remote control |
| Contatos Auxiliares | Padrão: 2NÃO+2NC, expandable to 4NO+4NC | Status feedback and control circuit interlocking |
| Temperatura ambiente | -25℃~+70℃ (operating); -40℃~+85℃ (storage) | Wide temperature range for industrial applications |
| Classe de Proteção | IP30 (body); IP40 (with protective cover) | Prevents solid foreign object intrusion |
| Altitude | ≤2000m (derating required above 2000m) | Rated current derating by 1% for every 100m altitude increase |
| Método de montagem | Fixed type/Drawout type | Drawout type enables maintenance without power outage |
- Comunicação & Measurement Parameters
| Função | Especificação | Interface/Protocol |
| Communication Module | COM15 (PROFIBUS DP) / COM16 (MODBUS RTU) | Opcional, supports data upload to monitoring system |
| Measurement Accuracy | Atual: ±1%; Tensão: ±1.5%; Power: ±2% | Compatible with Plus measurement function for energy management |
| Data Logging | 100 fault records (trip type, tempo, current value) | Fault tracing and system diagnosis |
| Remote Control | Supports remote opening/closing and parameter setting | Realized by electric mechanism + módulo de comunicação |
- Instalação & Dimension Parameters
| Tipo de montagem | Largura (C) | Altura (H) | Profundidade (D) | Peso |
| 3WL1116 Fixed Type | 320milímetros | 434milímetros | 291milímetros | Aprox.. 45kg |
| 3WL1116 Drawout Type | 320milímetros | 434milímetros | Aprox.. 450milímetros | Aprox.. 55kg |
| 3WL1216 Fixed Type | 460milímetros | 434milímetros | 291milímetros | Aprox.. 56kg |
| 3WL1216 Drawout Type | 460milímetros | 434milímetros | Aprox.. 450milímetros | Aprox.. 65kg |
| Mounting Mode | 35mm DIN rail/screw mounting | Frame I width: 320milímetros; Frame II width: 460milímetros; Unified height: 434milímetros |
- Key Selection & Application Tips
- Breaking Capacity Matching: Select frame size based on the system’s maximum short-circuit current. Frame I is suitable for scenarios ≤66kA, while Frame II is for ≤100kA. UM 20% margin is recommended.
- Trip Unit Setting: Enable LSIG protection for motor loads, with the ground fault setting recommended at 0.3–0.5In. LSI protection is sufficient for power distribution loads.
- Communication Compatibility: Select COM15/COM16 module for remote monitoring, ensuring protocol compatibility with PLC/SCADA systems (PROFIBUS/MODBUS).
- Installation Space: The drawout type occupies approximately 160mm more depth than the fixed type. Reserve sufficient operation and maintenance space during cabinet design.
- Replacement & Atualizar: The 3WL series has been upgraded to the 3WA series (por exemplo, 3WA1116-3EG45-4GA4), featuring compatible dimensions and protection functions, plus added Ethernet communication and intelligent diagnosis.
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VII. Conformidade & Certificação
Compliant Standards: GB 14048.2, CEI 60947-2, EM 60947-2
Certificações: CE, UL, CSA (for some models), meeting compliance requirements for global industrial applications
