400A High Current Terminal for Control Cabinets, Busbar Systems and Industrial Electrical Distribution
Technical Specifications
| Parameter | DNJ1-400 |
| Rated Current (Ie) | 400A |
| Rated Insulation Voltage (Ui) | 1000V |
| Pole Options | 3P / 4P / 5P |
| Maximum Cable Cross Section | 240 mm² |
| Minimum Cable Cross Section | 25 mm² |
| Cable Capacity | 50–240 mm² (1×) / 25–120 mm² (2×) |
| Flat Busbar Capacity | 25 × 15 mm |
| Wire Connections per Pole | 2 |
| Busbar Connections per Pole | 1 |
| Operating Temperature | -5°C to +40°C |
| Installation Altitude | ≤ 2000m |
| Pollution Degree | 3 |
| Standard | IEC 60947-7-1 / GB/T 14048.7 |
Product Overview
The DNJ1-400 High Current Terminal is engineered for reliable high-current transmission in modern power distribution systems, busbar systems, and industrial electrical cabinets.
Designed around a structured connection architecture, DNJ1-400 creates an independent connection interface between external power cables and switching devices:
External Cable → High Current Terminal → Main Switch → Busbar System
Compared with traditional direct cable wiring methods, this design improves installation flexibility, cabinet organization, and maintenance efficiency while reducing mechanical stress on electrical equipment.
Its modular assembly structure supports cleaner cable routing and standardized cabinet layouts, making it suitable for modern control cabinets, switchgear systems, and industrial power distribution infrastructure.
Key Advantages
Reliable High Current Connection
High-current cable installation often introduces cable stress, crowded wiring spaces, and maintenance challenges.
DNJ1-400 transfers cable access into an independent terminal area, helping improve electrical connection stability and operational safety.
Benefits include:
✓ Touch-safe protection
✓ Reliable crimping structure
✓ Reduced cable stress concentration
✓ Lower overheating risk
✓ Improved inspection accessibility
Faster Installation Workflow
Large conductor installation inside compact electrical cabinets can be labor-intensive.
DNJ1-400 supports cable pre-installation and alignment before final system connection, helping reduce installation time and simplify maintenance operations.
Suitable for modular busbar system architecture and standardized electrical cabinet assembly.
Why Choose DNJ1-400?
DNJ1-400 combines high-current transmission capability with optimized cabinet wiring design, helping engineers build safer, cleaner, and more maintainable industrial electrical systems.
