CTB4430 Bloc terminal ceramic

The CTB4430 Ceramic Terminal Block represents the pinnacle of multi-circuit electrical connection technology, offering unprecedented flexibility and reliability for complex industrial applications. This professional-grade 4-in-4-out terminal block combines exceptional 30A current-handling capacity with superior thermal stability and outstanding electrical insulation properties, making it the definitive choice for engineers and electricians working on sophisticated industrial systems requiring multiple high-current circuits with unwavering reliability and safety.

Expanded Multi-Circuit Design for Complex Industrial Systems

The CTB4430 features an advanced 4-in-4-out configuration specifically engineered to handle substantial current loads up to 30A across four separate circuits while maintaining optimal thermal performance and connection integrity. Precision-manufactured from high-frequency ceramic material, this terminal block delivers superior insulation properties that exponentially outperform conventional plastic alternatives in high-current, high-temperature industrial environments. The ceramic housing ensures complete resistance to aging, cracking, and deformation even under extreme thermal and electrical stress, guaranteeing long-term stability and safety for your most complex electrical connections.

Each terminal block incorporates eight heavy-duty connection points with substantial copper core conductors designed for optimal electrical performance under sustained high-current conditions. The M5-compatible screw terminals, manufactured from durable iron-plated zinc material, provide exceptional clamping force for creating and maintaining secure connections with the larger gauge wires required for 30A applications – ensuring perfect contact integrity across all four circuits even when subjected to vibration, thermal cycling, and high-current loads.

Key Features and Technical Advantages

• Maximum Circuit Flexibility: Four-in, four-out design enables complex multi-circuit power distribution in a single integrated terminal block
• Substantial Current Handling: 30A rating per circuit delivers exceptional capacity for demanding industrial applications requiring multiple high-current connections
• Extended Terminal Block Design: Elongated form factor (57mm × 25mm × 18.8mm) accommodates four complete circuits while maintaining optimal spacing
• Enhanced Mounting System: Built-in 29mm spaced mounting holes for secure and standardized installation in industrial control panels
• High-Capacity Wire Accommodation: Supports substantial wire gauges from 1.5mm² to 6mm², essential for industrial high-current applications
• Generous Wire Entry: 5mm diameter wire entry holes facilitate smooth installation of thicker gauge wires
• M5 Screw Compatibility: Industrial-grade screw size provides enhanced clamping force for maintaining secure connections under high-current conditions
• Exceptional Temperature Resistance: Withstands continuous operation at temperatures up to 750°C, far exceeding the capabilities of plastic terminal blocks
• Superior Electrical Insulation: Ceramic material provides outstanding dielectric strength and prevents current leakage between adjacent high-current circuits
• Flame Retardant: Naturally fire-resistant material eliminates the risk of ignition or flame propagation in critical industrial installations

Specificații tehnice

CTB4430 Detailed Specifications:

• Rating curent: 30A per circuit
• Configuration: Four-in, Four-out
• Dimensiuni: 57mm (L) × 25mm (W) × 18.8mm (H)
• Wire Range: 1.5-6mm²
• Wire Entry Hole Diameter: 5mm
• Material carcasă: High-frequency ceramic
• Conductor Material: Heavy-duty copper core
• Screw Material: Iron-plated zinc
• Screw Compatibility: M5 thread
• Mounting Hole Distance: 29mm center-to-center
• Compatible Wire Types: Suitable for both soft and hard wires
• Maximum Operating Temperature: 750°C
• Rezistența dielectrică: 3.5kV
• Rezistența la izolare: >2000MΩ at 500VDC
• Rezistența la contact: <0.2mΩ
• Maximum Torque: 1.8-2.2 N·m

Specialized Industrial Applications

The CTB4430 Ceramic Terminal Block is specifically engineered for complex industrial applications where multiple high-current circuits, extreme temperature conditions, and absolute reliability are essential requirements:

• Advanced Control Systems: Industrial control panels requiring multiple isolated high-current circuits
• Echipament de fabricație: Complex machinery requiring multiple power and control circuits
• Multi-Phase Power Distribution: Four-wire three-phase systems with neutral or specialized four-phase applications
• Automatizare industrială: Systems requiring multiple isolated power circuits for various automation components
• Multi-Zone Heating Systems: Industrial furnaces and ovens with multiple independent heating zones
• Complex Motor Control: Applications controlling multiple motors or multi-speed motor arrangements
• Heavy Equipment: Mining, construction, and agricultural equipment with multiple high-power circuits
• Industrial Testing Equipment: Systems requiring multiple isolated power channels

Professional Installation Guidelines

For optimal performance, safety, and compliance with electrical codes in complex multi-circuit high-current applications, follow these specialized installation guidelines:

1. Ensure the mounting surface is robust, heat-resistant, and provides adequate space for heat dissipation
2. Utilize the integrated 29mm mounting holes for secure attachment to industrial panels
3. Plan circuit layout carefully to maintain proper separation between different electrical potentials
4. Strip wires to the appropriate length (typically 10-12mm for larger gauge conductors)
5. For stranded conductors, use ferrules or pre-twist for optimal connection integrity
6. Fully loosen terminal screws before inserting wires to prevent conductor damage
7. Insert wire completely into the terminal opening, ensuring no exposed conductor extends beyond the ceramic housing
8. Tighten M5 screws progressively to a final torque of 1.8-2.2 N·m
9. Verify connection integrity through both visual inspection and mechanical testing
10. Label each circuit clearly for future maintenance and troubleshooting
11. Implement a regular maintenance schedule for inspection and re-torquing of high-current connections

The CTB4430 Advantage: Unmatched Multi-Circuit Flexibility

For complex electrical installations requiring multiple high-current circuits with unwavering reliability, the CTB4430 Ceramic Terminal Block represents the definitive solution. Its unique combination of four separate 30A circuits, superior temperature resistance, and uncompromising connection integrity makes it the essential choice for sophisticated industrial applications where both circuit complexity and absolute reliability are non-negotiable requirements.

Trust in the engineering excellence of our premium ceramic terminal block technology to provide the ultimate safe, reliable electrical connection solution for your most demanding and complex industrial applications. The CTB4430 establishes a new standard in multi-circuit terminal block performance for today’s sophisticated industrial power and control requirements.