The SB Smart CYDLG4 Disconnect Terminal Block is a high-performance industrial terminal block designed for safe circuit isolation, secure wire connection, and efficient electrical control in industrial automation and electrical panel systems. This disconnect terminal block is specially engineered for applications where circuits need to be safely opened, isolated, tested, or serviced without disturbing the complete wiring structure.
In industrial control panels, PLC systems, instrumentation circuits, process automation panels, relay logic systems, machine control panels, and electrical distribution boards, technicians often need to disconnect individual circuits during maintenance, troubleshooting, calibration, and testing. Without a dedicated disconnect terminal, circuit isolation becomes time-consuming and increases maintenance complexity.
The CYDLG4 Disconnect Terminal Block solves this challenge by integrating a knife disconnect mechanism directly into the terminal block, allowing circuits to be safely interrupted whenever required.
This built-in disconnect function helps technicians isolate circuits for:
Designed for 4 mm² conductor capacity, the CYDLG4 provides secure wire termination while supporting controlled circuit isolation in industrial electrical systems.
Its screw clamp connection design ensures strong conductor retention, reliable electrical contact, and reduced risk of loose wiring, overheating, voltage drop, and electrical faults.
The built-in disconnect function allows technicians to interrupt circuits safely without removing conductors, helping improve maintenance efficiency and reduce downtime.
Manufactured using high-quality Polyamide (PA 6.6) flame-retardant housing, corrosion-resistant conductive components, and industrial-grade insulating materials, the SB Smart CYDLG4 offers excellent electrical insulation, thermal stability, mechanical durability, and long-term industrial reliability.
Its DIN rail mounting design supports quick installation on standard TS-35 DIN rails, helping create compact and organized control panel layouts.
Unlike standard feed-through terminals, the CYDLG4 Disconnect Terminal Block performs a critical control and maintenance function by enabling safe circuit interruption and testing while keeping the wiring structure intact.
This helps improve:
Its compact modular design makes it suitable for high-density industrial panel wiring where both secure electrical connectivity and circuit isolation are essential.
The SB Smart CYDLG4 is widely used in:
This disconnect terminal block is an ideal solution for automation engineers, electricians, panel builders, industrial contractors, instrumentation engineers, and maintenance professionals who require safe wire connection and controlled circuit isolation in industrial electrical systems.
Designed for safety, maintenance convenience, organized wiring, and industrial reliability, the CYDLG4 improves servicing efficiency, reduces downtime, enhances fault isolation, and supports professional electrical panel construction in demanding industrial environments.
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| Specification | Details |
|---|---|
| Product Model | CYDLG4 |
| Product Type | Disconnect Terminal Block |
| Terminal Function | Circuit Isolation & Wire Connection |
| Rated Cross Section | 4 mm² |
| Rated Voltage | 800 V |
| Rated Current | 32 A |
| Connection Type | Screw Clamp |
| Disconnect Type | Knife Disconnect |
| Number of Connections | 2 |
| Number of Levels | 1 |
| Mounting Type | TS-35 DIN Rail |
| Wire Size (Solid) | 0.2 – 6 mm² |
| Wire Size (Stranded) | 0.2 – 4 mm² |
| Stripping Length | 9 mm |
| Housing Material | Polyamide (PA 6.6) |
| Contact Material | Copper Alloy |
| Screw Material | Zinc Plated Steel |
| Terminal Color | Standard Industrial Finish |
| Flammability Class | UL94 V-0 |
| Thermal Stability | Industrial Grade |
| Heat Resistance | Yes |
| Corrosion Resistance | Yes |
| Moisture Resistance | Yes |
| Dust Resistance | Industrial Grade |
| Vibration Stability | Yes |
| Mechanical Strength | High |
| Mounting Stability | Secure DIN Rail Fitment |
| Maintenance Benefit | Easy Circuit Isolation |
| Service Life | Long Industrial Use |
| Main Usage | Circuit Testing & Isolation |
| Panel Benefit | Safe Maintenance & Organized Wiring |
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► Safe Circuit Isolation
Allows quick circuit interruption during testing and maintenance.
► Knife Disconnect Function
Built-in disconnect mechanism for safe servicing.
► 4 mm² Wiring Support
Suitable for industrial signal and control circuits.
► Secure Screw Clamp Connection
Strong conductor retention and reliable electrical contact.
► DIN Rail Mount Design
Quick installation in control panels and automation systems.
► Industrial Grade Construction
Built for long-term industrial use.
► Flame Retardant Safety Housing
Made with UL94 V-0 Polyamide material.
► Maintenance Friendly Design
Improves troubleshooting and servicing efficiency.
► Compact Panel Wiring Solution
Ideal for organized industrial control panels.
► Long Service Life
Durable construction for industrial applications.
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✔ PLC Panels
✔ Instrumentation Systems
✔ Process Automation Panels
✔ Relay Logic Systems
✔ Signal Isolation Circuits
✔ Industrial Control Cabinets
✔ Machine Wiring Systems
✔ Switchgear Assemblies
✔ OEM Electrical Equipment
✔ Testing & Maintenance Panels
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