Bloco de terminais cerâmico CTB3330

The CTB3330 Ceramic Terminal Block represents the ultimate achievement in high-current multi-circuit connection technology, delivering exceptional performance for demanding industrial applications. This professional-grade 3-in-3-out terminal block combines substantial 30A current-handling capacity with superior thermal stability and outstanding electrical insulation properties, making it the definitive choice for engineers and electricians working on critical industrial installations where reliability, safety, and multi-circuit capability cannot be compromised.

Industrial-Grade Multi-Circuit Design for High-Current Applications

The CTB3330 features an advanced 3-in-3-out configuration specifically engineered to handle substantial current loads up to 30A across three 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 critical electrical connections.

Each terminal block incorporates six 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 three circuits even when subjected to vibration, thermal cycling, and high-current loads.

Principais caraterísticas e vantagens técnicas

• Manuseamento de corrente superior: 30A rating per circuit delivers substantial capacity for industrial power applications requiring multiple high-current connections
• Configuração de circuito expandido: Three-in, three-out design enables complex multi-circuit power distribution in a single integrated terminal block
• Enhanced Mounting System: Built-in 17mm spaced mounting holes for secure and standardized installation in industrial control panels
• Aumento da capacidade do fio: Accommodates wire gauges from 1.5mm² to 6mm², supporting the larger conductors essential for high-current industrial applications
• Generous Wire Entry: 5mm diameter wire entry holes facilitate smooth installation of thicker gauge wires
• Compatibilidade com parafusos M5: Larger screw size provides enhanced clamping force for maintaining secure connections under high-current conditions
• Resistência excecional à temperatura: Withstands continuous operation at temperatures up to 750°C, far exceeding the capabilities of plastic terminal blocks
• Isolamento elétrico superior: Ceramic material provides outstanding dielectric strength and prevents current leakage between adjacent high-current circuits
• Retardador de chama: Naturally fire-resistant material eliminates the risk of ignition or flame propagation in critical industrial installations
• Resistência química: Impervious to oils, solvents, and corrosive substances, ensuring durability in harsh industrial environments

Especificações técnicas

CTB3330 Detailed Specifications:

• Classificação atual: 30A per circuit
• Configuração: Três dentro, três fora
• Dimensões: 46.5mm (L) × 26.7mm (W) × 19.1mm (H)
• Gama de fios: 1,5-6mm²
• Diâmetro do orifício de entrada do fio: 5mm
• Material da caixa: Cerâmica de alta frequência
• Material do condutor: Núcleo de cobre resistente
• Material do parafuso: Zinco revestido a ferro
• Compatibilidade com parafusos: Rosca M5
• Distância do furo de montagem: 17mm center-to-center
• Tipos de fios compatíveis: Adequado para fios macios e duros
• Temperatura máxima de funcionamento: 750°C
• Resistência dieléctrica: 3.5kV
• Resistência de isolamento: >2000MΩ at 500VDC
• Resistência de contacto: <0.2mΩ
• Binário máximo: 1.8-2.2 N·m

Critical Industrial Applications

The CTB3330 Ceramic Terminal Block is specifically engineered for demanding industrial applications where multiple high-current circuits, extreme temperature conditions, and absolute reliability are essential requirements:

• Three-Phase Power Distribution: Ideal for three-phase industrial power connections requiring substantial current capacity
• Sistemas de Controlo Industrial: Multi-circuit high-current control panels for manufacturing equipment and production lines
• Maquinaria pesada: Power distribution for multiple motors, pumps, and actuators in industrial machinery
• Sistemas de aquecimento industrial: Connection points for multiple high-power heating elements in industrial furnaces and ovens
• Power Generation Equipment: Multi-circuit connections in power generation, conversion, and distribution systems
• Metal Processing: Electrical connections in foundries, steel mills, and metal fabrication facilities
• Industrial HVAC: High-capacity connections for industrial heating, ventilation, and air conditioning systems
• Infra-estruturas de transportes: Power distribution in railway systems, shipyards, and heavy transportation facilities

Diretrizes de instalação profissional

For optimal performance, safety, and compliance with electrical codes in high-current multi-circuit 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 17mm mounting holes for secure attachment to industrial panels
3. Strip wires to the appropriate length (typically 10-12mm for larger gauge conductors)
4. For stranded conductors, use ferrules or pre-twist for optimal connection integrity
5. Fully loosen terminal screws before inserting wires to prevent conductor damage
6. Introduzir o fio completamente na abertura do terminal, assegurando que nenhum condutor exposto se estende para além da caixa de cerâmica
7. Tighten M5 screws progressively to a final torque of 1.8-2.2 N·m
8. Verify connection integrity through both visual inspection and a mechanical pull test
9. Maintain appropriate clearance between adjacent high-current terminal blocks for heat dissipation
10. Implement a regular maintenance schedule for inspection and re-torquing of high-current connections

The CTB3330 Advantage: Multi-Circuit Excellence with Industrial-Grade Performance

For electrical installations requiring multiple high-current circuits with unwavering reliability, the CTB3330 Ceramic Terminal Block represents the definitive solution. Its unique combination of substantial 30A current capacity across three separate circuits, superior temperature resistance, and uncompromising connection integrity makes it the essential choice for mission-critical industrial applications where connection failure is simply not an option.