Introducción:
- CNTN Electric molded-case circuit breakers offer reliable performance with a rated insulation voltage of up to 800V. The ZMM1-63 model is designed for 400V applications, with the full series covering current ratings ranging from 63A to 800A. Capable of stable operation in 50Hz AC environments at 690V and below, these breakers are specifically engineered for motor circuits involving infrequent switching operations.
- Our molded case circuit breakers are equipped with overload, short‑circuit and under‑voltThis MCCB offers flexible installation options, including fixed, plug‑in and draw‑out types, and can be mounted vertically or horizontally.age protection, which safeguards circuits and electrical equipment from damage.
- Our circuit breakers feature high short‑circuit breaking capacity and fast arc extinction, making them an ideal choice for users.
- Molded case circuit breakers from CNTN Electric adopt high‑flame‑retardant materials to isolate electric arcs effectively, with dustproof, moisture‑proof and electric‑shock‑proof functions. They can be directly installed in power distribution cabinets or outdoor boxes to prevent accidental contact with live parts.
- Este MCCB ofrece opciones de instalación flexibles y versátiles, admitiendo montaje fijo, enchufable y extraíble, y puede instalarse vertical u horizontalmente.
- CNTN Electric can not only produce MCCB 250A 4-pole circuit breakers but also 250A 2-pole and 250A 3-pole versions according to customer requirements.
- Nuestro MCCB es adecuado para circuitos trifásicos de cuatro hilos, y también se puede utilizar para circuitos trifásicos de tres hilos y circuitos trifásicos de dos hilos.
- CNTN Electric not only manufactures MCCB 250A 4-pole circuit breakers in AC types, but also produces Disyuntores de caja moldeada de CC.
- CNTN Electric supplies molded case circuit breakers with bakelite‑made white arc shields, as well as grey and black plastic arc shield versions.
- Would you like to know the price of our 250A 4 Pole MCCB? Please Contacto ¡Para más detalles, ahora mismo!
Datos técnicos
| Tipo | ZMM1-63 | ZMM1-125 | ZMM1-160 | ZMM1-250 | ZMM1-400 | ZMM1-630 | ZMM1-800 | ||||||||
| Plose | P | 3 | 3,4 | 2,3 | 3,4 | 3 | 2,3,4 | 3,4 | 3,4 | 3,4 | |||||
| Corriente nominal In | A | 10, 16,20, 25,32, 40,50, 63 | 10, 16,20, 25,32, 40,50, 63,80, 100, 125 | 100,125,140,160 | 100, 125,140 160,180, 200225, 250 | 225,250,315,350,400 | 400,500,630 | 630,700,800 | |||||||
| Tensión nominal de aislamiento Ui | V | 500 | 800 | ||||||||||||
| Tensión nominal de impulso con tensión soportada Uimp | V | 6000 | 8000 | ||||||||||||
| Tensión nominal de funcionamiento Ue | V | AC400 | AC400/690 | ||||||||||||
| Clase de capacidad de rotura | L | M | L | M | L | L | M | L | M | L | M | L | M | ||
| Límite del poder de corte en cortocircuito Icu | kA | 230V | 35 | 50 | 35 | 50 | 35 | 35 | 50 | 50 | 75 | 50 | 75 | - | - |
| 400V | 25 | 35 | 25 | 50 | 35 | 35 | 50 | 50 | 65 | 50 | 65 | 75 | 75 | ||
| 690V | - | - | 8 | 10 | 8 | 8 | 10 | 10 | 20 | 10 | 20 | - | 30 | ||
| Poder de corte en cortocircuito en servicio Ics | kA | 230V | 18 | 50 | 18 | 50 | 22 | 22 | 50 | 50 | 50 | 50 | 50 | - | - |
| 400V | 18 | 22 | 18 | 25 | 18 | 18 | 25 | 35 | 32.5 | 35 | 42.5 | 50 | 50 | ||
| 690V | - | - | 4 | 5 | 4 | 4 | 5 | 5 | 10 | 5 | 10 | - | 15 | ||
| Distancia de arco | mm | 50 | 100 | ||||||||||||
| Frecuencia de funcionamiento | Vida eléctrica | 3000 | 3000 | 3000 | 3000 | 2000 | 2000 | 2000 | |||||||
| vida mecánica | 20000 | 20000 | 20000 | 20000 | 10000 | 10000 | 10000 |
Códigos para dispositivos de desbloqueo y accesorios
ZMM1-125 (L, M) cableado del panel frontal (2 polos, 3 polos, 4 polos) (X-X, Y-Y son los centros del disyuntor tripolar)
ZMM1-125 (L, M, H) Cableado del panel frontal enchufable (3 polos) (X-X, Y-Y son los centros del disyuntor de 3 polos)
