CSB3/N3ULBK is a black stud type feed-through terminal block specially designed for industrial electrical applications where lug-based conductor termination, strong mechanical conductor locking, and secure power transfer are required. In heavy-duty control panels, switchboards, industrial machinery, automation systems, and power distribution assemblies, some electrical connections require stronger conductor fixing than standard clamp-type terminals. This is where the CSB3/N3ULBK becomes highly effective.
This terminal block is used in applications where conductors terminated with ring lugs or fork lugs must be securely mounted on a stud connection to create a stable electrical path. The stud-type design provides stronger mechanical conductor retention, making it suitable for installations exposed to vibration, movement, or continuous industrial operation.
The black housing also helps in specific circuit grouping, dedicated terminal identification, and organized panel section separation, improving wiring visibility and maintenance efficiency.
The CSB3/N3ULBK operates using a stud-based feed-through conductor connection system, where a conductor lug is placed over the M3 stud and tightened securely using a nut.
Its working design provides:
Unlike conventional clamp terminals, the stud connection provides additional mechanical strength, making it suitable for heavy-duty industrial wiring applications.
This ensures dependable conductor retention even under harsh industrial operating conditions.
The black housing provides dedicated visual circuit grouping benefits in industrial electrical panels.
Safety advantages include:
This helps technicians identify specific terminal sections more efficiently.
Black terminal blocks are often used for:
This improves structured electrical panel design.
The CSB3/N3ULBK is manufactured using flame-retardant industrial polyamide insulation with conductive stud connection hardware, designed for industrial electrical environments.
Construction advantages include:
Its rugged construction ensures dependable electrical performance in industrial applications.
Using CSB3/N3ULBK improves electrical panel layout by creating secure and organized lug-based conductor connections.
Benefits include:
| Parameter | Specification |
|---|---|
| Product Code | CSB3/N3ULBK |
| Product Type | Stud Type Feed Through Terminal Block |
| Color | Black |
| Rated Voltage | 1000 V / 1100 V |
| Rated Current | 41 A |
| Conductor Capacity | 0.5 – 6 mm² |
| AWG Range | 22 – 8 AWG |
| Stud Size | M3 |
| Connection System | Stud Connection |
| Operation | Screwdriver / Nut Driver |
| Tightening Torque | 0.5 Nm |
| Mounting Style | DIN 32 / DIN 35 / DIN 35-15 Rail |
| Wire Entry | Side Entry |
| Housing Material | Flame Retardant Polyamide |
| Rated Surge Voltage | 8 kV |
| Pollution Degree | 3 |
| Electrical Function | Feed Through Terminal Block |
| Mechanical Strength | High |
| Industrial Use | PLC Panels, Switchboards, Heavy Duty Wiring |
Provides strong conductor locking for heavy-duty wiring.
Black housing supports dedicated panel section identification.
Supports stable current transfer.
Stud connection reduces wire loosening risk.
Supports organized electrical panel wiring.
Built for demanding industrial environments.
Improves secure and structured terminal layouts.
CSB3/N3ULBK is widely used in:
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