CSDL4U Disconnect & Fuse Terminal Block is used in industrial electrical and control circuits where safe circuit isolation, fuse protection, and maintenance-friendly disconnection are required. It provides a secure way to disconnect circuits for testing, servicing, and maintenance while protecting connected equipment from overload and short circuit conditions through fuse integration. This makes it ideal for control panels, instrumentation systems, automation circuits, and industrial electrical protection applications.
CSDL4U works as a single level disconnect fuse terminal block with an integrated fuse carrier mechanism. The fuse carrier can be engaged or disengaged to isolate the circuit safely, while the built-in fuse holder protects the connected circuit against electrical faults. It accepts 5 x 20 mm and 5 x 25 mm cartridge glass fuses, making fuse replacement simple and maintenance-friendly. This design allows quick fault isolation and easier troubleshooting in industrial electrical systems.
CSDL4U improves electrical safety by combining disconnect functionality and fuse protection in one terminal block. The fuse carrier mechanism allows safe circuit isolation during maintenance, while the fuse protects connected equipment from overload or short circuit conditions. This helps maintenance engineers identify faults quickly and work safely inside industrial control panels.
CSDL4U is manufactured using high-quality Polyamide insulated housing that provides excellent electrical insulation, flame resistance, and strong mechanical durability. Its M3 screw clamp system ensures secure conductor holding and low contact resistance, while the rugged industrial construction ensures reliable performance in demanding electrical environments.
Using CSDL4U improves panel wiring by integrating disconnect function + fuse protection + wire connection in one compact terminal block. This reduces the need for separate disconnect devices and fuse holders, saving panel space, improving wiring organization, and simplifying maintenance work inside industrial control systems.
| Specification | Details |
|---|---|
| Model Number | CSDL4U |
| Product Type | Disconnect Fuse Terminal Block |
| Connection Type | Screw Clamp |
| Product Function | Circuit Disconnect & Fuse Protection |
| Number of Levels | Single Level |
| Rated Voltage (IEC) | 1000 V |
| Rated Voltage (UL/CSA) | 600 V |
| Rated Current | 6.3 A |
| Conductor Size Solid | 0.2 – 6 mm² |
| Conductor Size Stranded | 0.2 – 4 mm² |
| Twin Ferrule Capacity | 0.2 – 2.5 mm² |
| AWG Range | 22 – 10 AWG |
| Fuse Type | Cartridge Glass Fuse |
| Fuse Size | 5 x 20 mm / 5 x 25 mm |
| Tightening Torque | 0.5 Nm |
| Screw Size | M3 |
| Wire Entry Orientation | Side Entry |
| Stripping Length | 9.5 mm |
| Housing Material | Polyamide |
| Rated Surge Voltage | 5 kV |
| Pollution Degree | 3 |
| Width (Thickness) | 8 mm |
| Length | 58 mm |
| Height | 43 mm |
| Mounting Type | DIN 32 / DIN 35 / DIN 35-15 Rail |
| Operation Type | Screwdriver Operated |
| Colour | Grey |
CSDL4U is widely used in:
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