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Both Schneider CVS100B and CVS100F are 100A frame molded case circuit breakers in the EasyPact CVS series.
The core differences lie in the breaking capacity class and application scenarios.
- Comparação de parâmetros principais (415V e)
| Item | CVS100B | CVS100F | Diferença Chave |
| Ultimate Short‑Circuit Breaking Capacity (UTI) | 25o | 36o | Type F is 44% mais alto, with stronger short‑circuit withstand capability |
| Service Short‑Circuit Breaking Capacity (CIs) | 25o (100% UTI) | 36o (100% UTI) | Same ratio as Icu; Type F is more suitable for harsh short‑circuit environments |
| Ics at 440V | 15o | 18o | Type F maintains better breaking performance at higher voltages |
| Faixa atual nominal | 16–100A | 16–100A | Mesmo; both support TM‑D thermal‑magnetic releases |
| Pole Configurations | 3P/3d, 4P/4d/3d | 3P/3d, 4P/4d/3d | Same protective pole configuration |
| Tipo de versão | TM-D (Termomagnético), ETS (Eletrônico) | TM-D (Termomagnético), ETS (Eletrônico) | Same basic protection functions |
| Tipo de montagem | Fixo, Plug-in | Fixo, Plug-in | Same mounting compatibility |
| Tipo de fiação | Fiação frontal / Rear wiring | Fiação frontal / Rear wiring | Same wiring flexibility |
- Analysis of Key Differences
- Classe de Capacidade de Quebra (Most Important Difference)
Tipo B (Básico): 25capacidade de interrupção kA, suitable for general industrial and commercial buildings and conventional power distribution systems with low short‑circuit current.
Tipo F (Alto): 36capacidade de interrupção kA, suitable for high short‑circuit current applications, such as near transformers, frequent starting of large motors, or heavy‑duty industrial environments.
- Application Selection
| Modelo | Aplicativos recomendados | Unrecommended Applications |
| CVS100B | Edifícios comerciais, small factories, civil distribution, secondary distribution | Large industrial plants, near generators/transformers, systems with shortircuit current >25o |
| CVS100F | Indústria pesada, large motor circuits, primary distribution, near power source | Simple distribution systems with budget constraints and short ircuit current <25o |
- Other Minor Differences
Preço: Type F is normally more expensive than Type B (aprox.. 10–20%) due to higher breaking capacity.
Estrutura Interna: Type F uses a reinforced arc extinguishing system and contact design to withstand higher short‑circuit energy.
Compatibilidade de acessórios: Both are compatible with the same accessories, including auxiliary contacts, derivação / liberações de subtensão, Vigi earth leakage modules, etc..
- Guia de seleção
- Calculate system short‑circuit current: Calculate the expected short‑circuit current based on transformer capacity and line impedance, and select a model with breaking capacity ≥ the calculated value.
- Evaluate power supply environment: Prefer Type F when close to transformers or large loads; Type B can be used for secondary / tertiary distribution with low short‑circuit current.
- Consider future expansion: Reserve 10–20% margin for short‑circuit current to avoid insufficient breaking capacity after system expansion.
- Budget balance: Type B reduces cost when safety requirements are met; Type F is recommended for critical circuits to improve reliability.
- Notas Adicionais
Both models comply with IEC 60947‑2 and provide overload and short‑circuit protection.
The TM‑D thermal‑magnetic release has adjustable overload protection (E) and short‑circuit instantaneous protection (Eu sou) to match different load characteristics.
The ETS electronic release provides more precise protection and additional functions (por exemplo. falha de terra, overload alarm), available for both models.
