CSB3/N3UR is a red stud type feed through terminal block specially designed for industrial electrical systems where lug-based conductor termination, secure mechanical conductor locking, and reliable current transfer in vibration-prone applications are required. In electrical control panels, PLC cabinets, switchboards, power distribution panels, industrial automation systems, and machine control assemblies, certain wiring applications need a stronger conductor connection than conventional clamp terminals.
The CSB3/N3UR is specifically used where conductors terminated with ring lugs or fork lugs need to be mounted securely on an M3 stud connection. This stud-based connection creates a firm mechanical hold and dependable electrical continuity, making it ideal for industrial applications exposed to continuous vibration, mechanical stress, or long-term electrical loading.
Unlike standard screw clamp terminals, the stud connection system provides stronger conductor locking and better wire retention, reducing the possibility of loose electrical connections. The red housing also provides a visual identification advantage and is commonly used for warning circuits, emergency control sections, dedicated power lines, and critical circuit grouping in industrial electrical panels. This helps technicians identify important circuit sections quickly during maintenance and troubleshooting.
This terminal block is ideal for industrial applications where strong conductor retention, safe lug-based termination, and reliable industrial electrical distribution are critical.
The CSB3/N3UR works as a stud-based feed through conductor terminal, where a conductor fitted with a ring lug or fork lug is mounted over the M3 stud and securely tightened using a nut.
Its working design provides:
The stud and nut locking mechanism creates a firm conductor connection and improves mechanical stability, especially in industrial electrical systems exposed to vibration and movement. This makes it highly suitable for heavy-duty wiring applications.
The red housing improves visual recognition of critical terminal sections inside industrial electrical panels.
Safety advantages include:
Color-based circuit grouping improves maintenance safety and panel organization.
Red terminal blocks are commonly used for:
This improves organized electrical panel management.
The CSB3/N3UR is manufactured using flame-retardant polyamide insulated housing with industrial-grade conductive stud connection hardware, designed for demanding industrial electrical environments.
Construction advantages include:
Its rugged construction ensures dependable electrical performance in industrial heavy-duty wiring applications.
Using CSB3/N3UR improves electrical panel layout by creating secure and organized lug-based conductor connections.
Benefits include:
| Parameter | Specification |
|---|---|
| Product Code | CSB3/N3UR |
| Product Type | Stud Type Feed Through Terminal Block |
| Color | Red |
| 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 |
| Length | 49 mm |
| Thickness | 9 mm |
| Electrical Function | Feed Through Terminal Block |
| Mechanical Strength | High |
| Industrial Use | PLC Panels, Switchboards, Heavy Duty Wiring |
Strong stud locking for heavy-duty conductor termination.
Supports stable current transfer.
Ideal for vibration-prone industrial wiring.
Red housing supports warning circuit identification.
Built for demanding industrial environments.
Stud connection reduces wire loosening risk.
Improves secure and organized panel layouts.
CSB3/N3UR is widely used in:
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