CYDLF4LR Double Level Fuse Terminal Block with LED Indication & Resistor is a compact and high-performance electrical connection component specially designed for circuit protection, fuse isolation, voltage indication, resistor integration, and structured panel wiring in industrial electrical systems. It is widely used in PLC panels, control cabinets, switchgear assemblies, instrumentation systems, relay logic circuits, automation systems, and industrial electrical installations where safe circuit protection and instant visual monitoring are required. The CYDLF4LR combines a fuse carrier, LED indication, and resistor-integrated circuit design in a compact double level terminal block, making it ideal for advanced control and indication circuits.
In industrial electrical systems, panel builders often require both circuit protection and circuit status indication in one compact terminal block. Without a dedicated fuse indicating terminal block, electricians may need separate fuse holders, resistor assemblies, and indication devices, increasing panel space usage and wiring complexity. The CYDLF4LR solves this problem by integrating a double level fuse terminal design with LED indication and resistor support, allowing safe circuit protection and instant circuit monitoring in one compact terminal block assembly.
Its LED indication system provides instant visual monitoring of circuit status. When the fuse is active and voltage is present, the LED indicator provides clear visual status, helping maintenance engineers and electricians quickly identify live circuits and simplify troubleshooting. The resistor-integrated design supports indication circuit stability and safe operation in industrial control applications. This improves safety, reduces maintenance time, and supports professional electrical panel management.
Manufactured using industrial-grade polyamide housing, the CYDLF4LR offers excellent electrical insulation, heat resistance, mechanical strength, and long industrial service life. Its rugged design supports reliable performance under heat, dust, vibration, and continuous industrial electrical operation. The DIN rail mounting design ensures secure fitment and organized installation in industrial panel systems.
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In industrial electrical systems, panel builders often require:
✔ Circuit protection
✔ Fuse isolation
✔ Voltage indication
✔ Safe troubleshooting access
✔ Compact panel wiring
✔ Multi-level conductor connection
✔ Organized electrical layout
✔ Reliable circuit continuity
Without a fuse indicating terminal block, systems may face:
◆ Difficult fault detection
◆ Manual fuse checking
◆ Increased maintenance time
◆ Separate fuse holder requirements
◆ Wiring congestion
◆ Reduced panel visibility
The CYDLF4LR solves these issues by providing a compact double level fuse terminal block with LED indication and resistor integration for structured wiring and safe circuit protection.
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◆ Double level fuse terminal design
◆ Integrated LED voltage indication
◆ Built-in resistor support
◆ 4 sq.mm conductor capacity
◆ Fuse carrier on top level
◆ Feed through connection on lower level
◆ Compact space-saving construction
◆ DIN rail mounting design
◆ Secure conductor clamping
◆ Reliable conductive contact path
◆ Instant circuit status visibility
◆ Easy troubleshooting support
◆ Durable polyamide housing
◆ Heat-resistant body design
◆ Long industrial service life
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The CYDLF4LR works by securely terminating conductors while integrating fuse protection, resistor support, and LED indication in a double level compact design.
During operation:
✔ Conductors are inserted into connection points
✔ Clamp mechanism secures wires firmly
✔ Fuse protects the connected circuit
✔ LED glows when voltage is present
✔ Circuit status becomes visually visible
✔ Safe troubleshooting becomes easier
✔ Organized circuit interconnection is maintained
✔ Compact panel wiring is achieved
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The CYDLF4LR improves industrial wiring by combining conductor termination with fuse protection, resistor integration, and visual circuit indication.
Its design helps:
✔ Improve circuit protection
✔ Reduce troubleshooting time
✔ Support voltage indication
✔ Improve electrical continuity
✔ Reduce panel space usage
✔ Minimize contact resistance
✔ Support safer maintenance access
✔ Improve wiring reliability
This makes it highly useful in industrial control systems where compact wiring and instant circuit monitoring are required.
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The CYDLF4LR is manufactured using industrial-grade materials for dependable industrial performance.
Its construction provides:
✔ High-strength polyamide housing
✔ Excellent electrical insulation
✔ Heat-resistant body material
✔ Flame-retardant construction
✔ Integrated LED indication system
✔ Fuse carrier mechanism
✔ Resistor-assisted indication design
✔ Corrosion-resistant conductive parts
✔ Secure conductor clamping mechanism
✔ Long service life
Its rugged construction supports stable industrial use under:
◆ Heat
◆ Dust
◆ Vibration
◆ Moisture
◆ Continuous electrical operation
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The CYDLF4LR improves panel wiring efficiency by providing compact fuse protection with resistor-assisted voltage indication.
Its design supports:
✔ Better panel space utilization
✔ Organized conductor routing
✔ Instant voltage visibility
✔ Faster troubleshooting access
✔ Reduced wiring clutter
✔ Professional panel finishing
✔ Higher terminal density
✔ Improved maintenance convenience
This makes the CYDLF4LR highly suitable for industrial electricians, automation engineers, and panel builders.
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| Specification | Details |
|---|---|
| Product Model | CYDLF4LR |
| Product Type | Double Level Fuse Terminal Block with LED & Resistor |
| Terminal Function | Fuse Protection, Wire Termination & Voltage Indication |
| Terminal Color | Grey |
| Rated Voltage | 500V |
| Rated Current | 10A |
| Conductor Size | 0.2 – 4 sq.mm |
| AWG Range | 24 – 10 AWG |
| Connection Type | Screw Clamp |
| Wire Entry Type | Side Entry |
| Terminal Level | Double Level |
| Fuse Type | Cartridge Glass Fuse |
| Fuse Size | 5 x 20 mm |
| Mounting Type | DIN 35 / DIN 35-15 Rail |
| Housing Material | Industrial Grade Polyamide |
| Rated Surge Voltage | 8kV |
| Pollution Degree | 3 |
| Tightening Torque | 0.5 Nm |
| Stripping Length | 8 mm |
| Mechanical Strength | High |
| Heat Resistance | Yes |
| Corrosion Resistance | Yes |
| Vibration Stability | Yes |
| Service Life | Long Industrial Use |
| Main Usage | Fuse Protection, Circuit Monitoring & Wire Termination |
| Panel Benefit | Organized Wiring & Instant Circuit Visibility |
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► Fuse Protection with LED Indication
Provides circuit safety with instant voltage visibility.
► Built-In Resistor Support
Supports indication circuit stability.
► Double Level Wiring Design
Supports compact multi-level conductor termination.
► Space Saving Terminal Block
Improves panel space utilization.
► Reliable Electrical Performance
Supports stable current flow and safe conductor connection.
► Durable Industrial Construction
Built for long-term industrial electrical use.
► Easy DIN Rail Installation
Supports quick and secure mounting.
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✔ PLC Panels
✔ Industrial Control Cabinets
✔ Switchgear Assemblies
✔ Automation Systems
✔ Relay Control Circuits
✔ Instrumentation Panels
✔ Process Automation Panels
✔ Electrical Distribution Boards
✔ Machine Wiring Systems
✔ Industrial Electrical Installations
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