CQD5NEZ Series DC Isolator Switch
Características del producto
■ DC1500V Application
Designed for DC systems with a rated operational voltage up to DC1500V.
■ Wide Current Range
Available from 80A to 630A with 315A and 630A frame sizes.
■Flexible Operation
Supports both front and side operation for different installation requirements.
■ Reliable Isolation
Provides circuit isolation for safe equipment maintenance and servicing.
■Flexible Installation
Supports both vertical and horizontal installation.
■ Harsh Environment Adaptability
Operating temperature from-40℃ to +85℃ and operating altitude up to 5000m.
Designación del tipo
| Code | Description | |
| ① | CQ | Enterprise Code |
| ② | D | Isolator Switch |
| ③ | 5 | Design Code |
| ④ | NEZ | New Energy – DC |
| ⑤ | Frame Size | 315 / 630 |
| ⑥ | Rated Current | See rated current table |
| ⑦ | Operation | Z: Front operation / C: Side operation |
| ⑧ | Handle Type | K: Direct operating handle / P: External handle + extension shaft |
| ⑨ | Montaje | 1: Vertical / 2: Horizontal / 3: Left vertical & right horizontal |
| ⑩ | Auxiliary Contact | 2NO + 2NC |
Operating Conditions
| Operating Altitude | ≤ 2500 m |
| Temperatura ambiente | -40°C to +85°C |
| Derating | Required above +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | ≤ 50% at +40°C; up to 90% at +20°C |
| Pollution Degree | 3 |
| Protection Degree | IP20 inside cabinet / IP65 outside cabinet |
| Instalación | Vertical or horizontal |
| Vertical Installation Inclination | ≤ 5° |
Especificaciones técnicas
| Parámetro | CQD5NEZ-315 | CQD5NEZ-630 |
| Frame Size (A) | 315 | 630 |
| Rated Current In (A) | 80, 100, 125, 160, 200, 225, 250, 275, 315 | 315, 325, 400, 500, 630 |
| Número de polos | 2P | 2P |
| Rated Operational Voltage Ue (V) | DC1500 | DC1500 |
| Rated Insulation Voltage Ui (V) | 2000 | 2000 |
| Rated Impulse Withstand Voltage Uimp (kV) | 12 | 12 |
| Rated Short-Circuit Making Capacity Icm (kA) | 10 | 20 |
| Rated Short-Time Withstand Current Icw | 8kA/1s, 20kA/0.15s | 10kA/1s, 20kA/0.15s |
| Mechanical Operations – Front | 10000 | 10000 |
| Mechanical Operations – Side | 3000 | 3000 |
| Electrical Operations | 500 | 400 |
| Operating Mode | Front / Side | Front / Side |
| Estándares | IEC 60947-3, GB/T 14048.3 | IEC 60947-3, GB/T 14048.3 |
| Certificación | CCC, CE, TÜV, CB | CCC, CE, TÜV, CB |
Overall and mounting dimensions
CQD5NEZ-315— Front operation
CQD5NEZ-315—Side operation
CQD5NEZ-630— Front operation
CQD5NEZ-630—Side operation
