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The CY2.5BU Feed Through Terminal Block is a compact high-performance industrial terminal block specially designed for secure conductor termination, stable electrical connectivity, and organized wiring management in industrial automation and control systems. It is widely used in PLC panels, switchgear assemblies, instrumentation systems, process control applications, and electrical distribution panels where reliable signal and power transmission are essential.
The CY Series terminal blocks are designed with advanced screw clamp technology to provide dependable conductor holding strength and long-term industrial performance in demanding operating conditions.
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The CY2.5BU belongs to the CY Series Feed Through Terminal Blocks and is specially developed for compact DIN rail mounting applications requiring organized wiring layouts and secure electrical continuity.
Its feed-through structure allows safe conductor-to-conductor connectivity while supporting efficient panel wiring arrangements inside industrial control cabinets. The blue color configuration is commonly used for specific circuit identification and structured panel organization in industrial installations.
The CY Series terminal blocks feature improved 1000V insulation ratings as per IEC guidelines, making them suitable for modern industrial automation systems and electrical control applications.
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◆ Reliable Feed Through Electrical Connectivity
◆ Compact 5 mm Space Saving Design
◆ Secure Screw Clamp Connection Technology
◆ Stable Signal & Current Transmission
◆ Side Entry Wiring Configuration
◆ High Conductivity Copper Alloy Current Path
◆ Improved 1000V IEC Rating
◆ Low Contact Resistance Performance
◆ Corrosion Resistant Industrial Construction
◆ Strong Mechanical Connection Stability
◆ Excellent Thermal Durability
◆ Fast DIN Rail Installation & Maintenance
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The CY2.5BU Feed Through Terminal Block is specially engineered for industrial electrical systems where secure conductor management and stable electrical continuity are critical for operational reliability.
Its advanced feed-through structure helps:
✔ Simplify industrial wiring systems
✔ Improve conductor organization
✔ Reduce cable congestion
✔ Maintain stable electrical continuity
✔ Support professional control panel layouts
The CY Series screw clamp terminal blocks are widely used in industrial control, automation, instrumentation, and power distribution systems requiring compact and reliable conductor connections.
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The CY2.5BU is manufactured using high-quality polyamide insulation material combined with high-conductivity copper alloy conductive components for dependable industrial operation.
This industrial-grade construction ensures:
✔ Reliable Electrical Conductivity
✔ Strong Mechanical Durability
✔ Stable Current Transfer Performance
✔ Excellent Thermal Stability
✔ Long-Term Industrial Reliability
✔ Resistance Against Harsh Industrial Environments
The terminal block housing uses flame-retardant Polyamide 6.6 material with V0 grade flammability performance as per UL94 standards.
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The CY2.5BU is specially designed with a side entry wire orientation that supports organized cable routing and efficient industrial panel wiring management.
The structured wiring arrangement helps:
✔ Simplify conductor insertion
✔ Improve maintenance accessibility
✔ Reduce wiring congestion
✔ Improve troubleshooting efficiency
✔ Maintain clean panel organization
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Its strong screw clamp mechanism provides secure conductor holding capability and stable electrical continuity even in vibration-prone industrial environments.
The secure connection system minimizes:
◆ Loose conductor connections
◆ Voltage fluctuation risks
◆ Signal interruption issues
◆ Overheating possibilities
◆ Maintenance-related failures
The terminal block supports up to 24 A rated current and 1000 V rated voltage, making it suitable for industrial automation and electrical control applications.
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The compact 5 mm width design supports optimized DIN rail space utilization while maintaining organized high-density wiring arrangements inside modern industrial control cabinets.
Its compact structure makes it highly suitable for:
✔ PLC Automation Systems
✔ Electrical Control Panels
✔ Instrumentation Systems
✔ Monitoring Applications
✔ Industrial Process Systems
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| Specification | Details |
|---|---|
| Product Model | CY2.5BU |
| Product Type | Feed Through Terminal Block |
| Mounting Type | DIN Rail Mounting |
| Connection System | Screw Clamp Connection |
| Wire Entry Orientation | Side Entry |
| Rated Voltage | 1000 V |
| Rated Current | 24 A |
| Rated Surge Voltage | 8 KV |
| Conductor Size | 0.2 mm² to 2.5 mm² |
| Housing Material | Polyamide 6.6 |
| Screw Size | M2.5 |
| Tightening Torque | 0.4 Nm |
| Width | 5 mm |
| Length | 50 mm |
| Pollution Degree | 3 |
| Mounting Compatibility | DIN 35 / DIN 35-15 Rail |
| Operating Environment | Industrial Applications |
Technical specifications are based on manufacturer product documentation and industrial catalog references.
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Provides stable and secure conductor connection for industrial electrical systems.
5 mm slim profile supports high-density panel installations.
Supports 1000V rated industrial electrical applications.
Improves cable organization and panel accessibility.
Built for reliable long-term operation in harsh industrial environments.
Supports fast installation and maintenance efficiency.
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✔ PLC Control Panels
✔ Industrial Automation Systems
✔ Instrumentation Panels
✔ Process Control Systems
✔ Electrical Distribution Boards
✔ Machine Automation Panels
✔ HVAC Control Systems
✔ Renewable Energy Installations
✔ Industrial Monitoring Systems
✔ Switchgear Assemblies
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