Professional-Grade Terminal Blocks for Industrial Applications

The VIOX IN Terminal Block series represents the pinnacle of innovation in electrical connection technology, combining the superior qualities of European-style terminals with the reliability of screw crimping terminals. Designed with precision engineering and manufactured to exacting standards, these terminal blocks deliver exceptional performance across diverse industrial applications.

Revolutionary Design Meeting Modern Electrical Connection Demands

VIOX Electric’s IN Terminal Blocks feature a standardized guide rail installation design that sets a new benchmark in the industry. This innovative approach ensures flexible assembly, firm crimping, clear identification, and rapid heat dissipation – crucial factors for maintaining electrical system integrity in demanding environments. With wiring cross-sections ranging from 1.5mm² to 200mm² and current ratings from 15A to 300A, the IN series accommodates virtually all industrial connection requirements.

Superior Construction for Enhanced Performance and Durability

Innovative Protective Cover Design

The protective cover of VIOX IN Terminal Blocks incorporates a unique hollow-out design that revolutionizes operational efficiency. This thoughtful engineering allows technicians to operate the terminals using tools without removing the cover, significantly reducing installation and maintenance time. The covers are:

Easy to disassemble when necessary
Designed for convenient operation
Manufactured from new transparent PC material with:
- High temperature resistance up to 100°C
- Flame retardant properties meeting 94-V2 standards
- Exceptional folding resistance

Advanced Terminal Housing Materials

The terminal plastic components utilize premium transparent PC with specialized color masterbatch, delivering impressive technical properties:

Temperature resistance reaching 120°C
Flame retardant standard achieving 94-V0
High-gloss finish with professional appearance
Superior structural strength
Excellent resistance to repeated folding stress

Precision-Engineered Conductors

VIOX’s commitment to quality is evident in every conductor used in the IN Terminal Block series:

Constructed from standard H62 copper
Enhanced with nickel-plating for superior anti-oxidation properties
Manufactured using precision high-speed punching machines
Featuring accurate dimensions and perfectly flat incisions
Zero tolerance for defective components

Industrial-Grade Fastening Systems

The screws employed in VIOX IN Terminal Blocks are designed for absolute reliability:

Compliance with national standard specifications
Trivalent multi-colored zinc electroplating
Salt spray resistance up to 48 hours
Elimination of common terminal problems including:
- Slippage during operation
- Poor conductivity issues
- Heat buildup and burnout risks

Technical Excellence in Every Detail

The VIOX IN Terminal Block series demonstrates technical superiority through carefully considered design elements:

Enhanced creepage distance: Special engineering increases safety margins
Pollution level: Class II compliant
Insulation resistance: 2K megohm, ensuring excellent isolation properties
Appearance: Elegant, professional finish complementing high-end electrical installations
Certification: Complete compliance with CQC voluntary certification, ROHS, CE, ISO 9000 quality certification, and additional standard certifications

Comprehensive Model Range for Every Application

VIOX Electric offers a complete range of IN Terminal Block models to address all connection requirements across industrial, commercial, and specialized applications:

Model Number	Connection Positions	Rated Current	Rated Voltage	Wire Cross-Section	Product Dimensions
IN-12BK	2	20A	600V	0.75-2MM²	30x20x40mm
IN-13BK	3	20A	600V	0.75-2MM²	25x30x40mm
IN-20BK	3	30A	600V	2-3.5MM²	25x30x40mm
IN-30BK	3	50A	600V	3.5-8MM²	43x35x45mm
IN-60BK	1	90A	600V	14-22MM²	22x40x56mm
IN-100BK	1	130A	600V	22-38MM²	32x45x75mm
IN-200BK	1	240A	600V	38-100MM²	39x57x86mm
IN-411S	1	60A	600V	8-14MM²	15.5x34x45mm

in terminal block series

Versatile Applications Across Industries

VIOX IN Terminal Blocks excel in numerous applications throughout the industrial sector:

Manufacturing automation systems: Providing reliable connections for control panels
Power distribution equipment: Ensuring safe current transfer in distribution boards
HVAC installations: Maintaining consistent connections in environmental control systems
Renewable energy systems: Supporting reliable connections in solar and wind power installations
Railway systems: Offering vibration-resistant connections for transportation applications
Telecommunications infrastructure: Delivering stable connections for communication networks
Building management systems: Facilitating integrated control system connections

Installation Benefits and Efficiency Advantages

The VIOX IN Terminal Block series delivers significant advantages during installation and maintenance:

Simplified mounting: Standard DIN rail compatibility for quick installation
Tool-operated functionality: Accessible terminals even with protective covers in place
Clear visual identification: Transparent housing for immediate visual inspection
Optimized space utilization: Compact design maximizing panel space efficiency
Enhanced heat management: Designed for optimal thermal dissipation

Quality Assurance and Certification

VIOX Electric maintains rigorous quality control standards throughout the manufacturing process of all IN Terminal Blocks. Each product undergoes comprehensive testing and inspection to ensure compliance with international standards:

CQC voluntary certification confirming superior quality
ROHS compliance ensuring environmental responsibility
CE marking demonstrating European standard conformity
ISO 9000 certification validating quality management systems

Choosing the Right VIOX IN Terminal Block

When selecting the appropriate IN Terminal Block for your application, consider these key factors:

Required current rating: Match the terminal capacity to your system demands
Wire cross-section dimensions: Ensure compatibility with your existing wiring
Number of connection positions needed: Select the appropriate model based on connection requirements
Installation space constraints: Consider the product dimensions in relation to available panel space
Environmental conditions: Evaluate temperature requirements and exposure to contaminants

Conclusion: The VIOX Advantage

The VIOX IN Terminal Block series represents the culmination of advanced engineering, premium materials, and precision manufacturing. By choosing VIOX Electric’s IN Terminal Blocks, you invest in connection solutions that deliver exceptional performance, reliability, and safety.

Experience the difference that professional-grade terminal blocks make in your electrical systems. Contact VIOX Electric today to discuss your specific requirements and discover how our IN Terminal Block series can enhance your electrical connection infrastructure.

For inquiries, technical support, or customized solutions, please contact our engineering team through viox.com.

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