CSB3/N3U is a 6 sq.mm M3 Stud Type Terminal Block designed for industrial electrical wiring applications where secure and vibration-resistant connections are required. This high-performance terminal block is manufactured for use in electrical control panels, switchboards, automation systems, distribution boards, and industrial machinery wiring. It is especially suitable for applications where standard screw clamp connections may not be ideal due to vibration or heavy-duty operating conditions. The terminal block uses a stud-type connection system, allowing wires terminated with ring or fork lugs to be securely fixed using a nut and screw arrangement. This design improves connection reliability and reduces the risk of loose wiring in critical electrical installations.
The CSB3/N3U terminal block is designed with an M3 stud connection and is operated using a screwdriver or nut driver, making installation easy and maintenance convenient. It supports organized wiring layouts and secure electrical connections, helping engineers and electricians build safer and more efficient panel assemblies. Because the conductor is terminated with ferrules or lugs and screwed directly onto a flat current bar, this terminal block provides strong mechanical holding and excellent electrical continuity. It is widely used in industries such as automation, machine manufacturing, power distribution, OEM panel building, and process control systems.
Manufactured using high-grade polyamide (PA66) insulating material, the CSB3/N3U offers excellent thermal resistance, electrical insulation, and mechanical durability. Its compact DIN rail mountable design allows it to fit into modern industrial panels where space optimization is important. It is designed to operate in demanding industrial environments and offers dependable long-term performance. Cross connection can also be achieved using internal shorting links, making it flexible for complex wiring applications. Protective covers can be added for enhanced safety by shrouding live parts during operation.
| Parameter | Specification |
|---|---|
| Product Code | CSB3/N3U |
| Product Type | Stud Type Terminal Block |
| Rated Voltage | 1000 V / 1100 V |
| Rated Current | 41 A |
| Stud Size | M3 |
| Conductor Capacity | 0.5 – 6 mm² |
| AWG Range | 22 – 8 AWG |
| Tightening Torque | 0.5 Nm |
| Housing Material | Polyamide (PA66) |
| Mounting Type | DIN 32 / DIN 35 / DIN 35-15 Rail |
| Wire Entry | Side Entry |
| Connection Type | Ring / Fork Lug Stud Connection |
| Operation | Screwdriver / Nut Driver |
| Rated Surge Voltage | 8 kV |
| Pollution Degree | 3 |
| Width | 9 mm |
| Length | 49 mm |
| Operating Temperature | -50°C to +105°C |
| Color | Grey |
| Product Function | Feed Through Terminal Block |
CSB3/N3U is commonly used in:
The CSB3/N3U stud type terminal block provides a more secure connection than conventional clamp terminals in applications exposed to mechanical vibrations. Since the wire lug is firmly fixed over the stud and tightened using a nut, the connection remains stable over long operating periods. This reduces maintenance requirements and minimizes electrical faults caused by loose wiring. The compact DIN rail design allows easy integration into electrical panels while maintaining neat wiring arrangements.
Its high insulation housing protects against electrical leakage and supports industrial safety requirements. The terminal block is also compatible with accessories such as end plates, protective covers, shorting link
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