Innovative Connection Technology for Industrial Applications

VIOX Electric’s PT Series Rail-mounted Terminal Blocks represent the pinnacle of connection technology in industrial electrical systems. Designed with precision engineering and manufactured to the highest standards, these terminal blocks offer superior performance, reliability, and ease of installation across diverse industrial environments.

The PT series adopts an innovative push-in type spring cage connection technology that revolutionizes the way electrical connections are made. This advanced design allows for quick wiring completion without any specialized tools, significantly reducing installation time and labor costs while ensuring consistent connection quality. The technology’s inherent reliability makes it ideal for applications where vibration resistance and long-term stability are critical requirements.

Key Advantages of VIOX PT Terminal Blocks

Tool-Free Installation: The spring-cage connection technology eliminates the need for specialized wiring tools, making installation significantly faster and more efficient.
Reduced Insertion Force: Engineered to minimize the force required for wire insertion, reducing operator fatigue during large-scale installations.
Versatile Application: Designed to perform optimally in various industrial environments and applications.
Enhanced Safety: The secure spring-cage connection prevents wire loosening due to vibration, ensuring long-term connection stability.
International Compliance: All products meet rigorous international standards including IEC/EN60947 and UL1059, ensuring global compatibility and safety.

Technical Specifications Overview

VIOX PT Terminal Blocks are engineered with precision to provide reliable electrical connections in demanding industrial applications. Available in multiple configurations, the series offers solutions for various current and voltage requirements, accommodating wire sizes from 0.14-1.5mm² to 0.5-16mm² depending on the model.

The in-line connection design optimizes space utilization on DIN rails, while maintaining excellent electrical and mechanical properties. Each model is available in multiple colors for circuit identification, enhancing installation clarity and maintenance efficiency.

Model	Length/Width (mm)	Height (mm)	Thickness (mm)	Terminal Current	Terminal Voltage	Connection Mode	Number of Holes	Wire Cross-section	Strip Length
PT1.5S	45.8mm	31.2mm	3.5mm	17.5A	500V	In-line	1 in, 1 out	0.14-1.5mm²	8mm-10mm
PT2.5	49mm	35.5mm	5.2mm	24A	800V	In-line	2 in, hole	0.14-4mm²	8mm-10mm
PT4	56.5mm	36.8mm	6.2mm	32A	800V	In-line	2 in, hole	0.2-6mm²	10mm-12mm
PT1.5S/3	55mm	31.2mm	3.5mm	17.5A	500V	In-line	2 in, 2 out	0.14-1.5mm²	8mm-10mm
PT1.5S/4	64.2mm	31.2mm	3.5mm	17.5A	500V	In-line	4 in, hole	0.14-1.5mm²	8mm-10mm
PT2.5/3	61mm	35.5mm	5.2mm	24A	800V	In-line	3 in, 2 out	0.14-4mm²	8mm-10mm
PT6	58mm	42.5mm	8.2mm	41A	1000V	In-line	2 in, hole	0.5-10mm²	10mm-12mm
PT10	68mm	50mm	10.2mm	57A	1000V	In-line	2 in, hole	0.5-16mm²	18mm-20mm
PT16N	76mm	53mm	12.2mm	76A	1000V	In-line	2 in, hole	0.5-25mm²	18mm-20mm
PT2.5/4	72.8mm	35.5mm	5.2mm	24A	800V	In-line	4 in, hole	0.14-4mm²	8mm-10mm
PT4/3	67.5mm	36.8mm	6.2mm	32A	800V	In-line	3 in, hole	0.2-6mm²	10mm-12mm
PT4/4	78mm	36.8mm	6.2mm	32A	800V	In-line	4 in, hole	0.2-6mm²	10mm-12mm
PT6/3	74.5mm	42.5mm	8.2mm	41A	1000V	In-line	3 in, hole	0.5-10mm²	10mm-12mm
PTTB1.5S	65.9mm	41.5mm	3.5mm	16A	500V	In-line	Double layer	0.14-1.5mm²	8mm-10mm
PTTB2.5	68.8mm	46mm	5.2mm	22A	500V	In-line	Double layer	0.14-4mm²	8mm-10mm
PT4-PE	56.5mm	36.8mm	6.2mm	/	/	In-line	2 in, hole	0.2-6mm²	10mm-12mm
PT6-PE	58mm	42.5mm	8.2mm	/	/	In-line	2 in, hole	0.5-10mm²	10mm-12mm
PT10-PE	68mm	50mm	10.2mm	/	/	In-line	2 in, hole	0.5-16mm²	18mm-20mm
PTC4-HESI	86mm	40mm	8.2mm	Fuse wire 0.5A-10A	500V	Safety terminal	2 in, hole	0.2-6mm²	10mm-12mm
PT1.5S-PE	45.8mm	31.2mm	3.5mm	/	/	In-line	1 in, 1 out	0.14-1.5mm²	8mm-10mm
PT2.5-PE	49mm	35.5mm	5.2mm	/	/	In-line	2 in, hole	0.14-4mm²	8mm-10mm
PT16N-PE	76mm	53mm	12.2mm	/	/	In-line	2 in, hole	0.5-25mm²	18mm-20mm
PT2.5/3-PE	61mm	35.5mm	5.2mm	/	/	In-line	3 in, hole	0.14-4mm²	8mm-10mm
PT2.5/4-PE	72.8mm	35.5mm	5.2mm	/	/	In-line	4 in, hole	0.14-4mm²	8mm-10mm
PT4/3-PE	67.5mm	36.8mm	6.2mm	/	/	In-line	3 in, hole	0.2-6mm²	10mm-12mm
PT4/4-PE	78mm	36.8mm	6.2mm	/	/	In-line	4 in, hole	0.2-6mm²	10mm-12mm
PT6/3-PE	74.5mm	42.5mm	8.2mm	/	/	In-line	3 in, hole	0.5-10mm²	10mm-12mm
PT2.5-3LPE	103.5mm	37.5mm	5.2mm	/	/	In-line	Three layer	0.14-4mm²	8mm-10mm
PTTB2.5-PE	68.8mm	46mm	5.2mm	/	/	In-line	Double layer	0.14-4mm²	8mm-10mm
PTTB4-PE	84.5mm	46mm	6.2mm	/	/	In-line	Double layer	0.2-6mm²	10mm-12mm

Special Series and Variants

VIOX Electric offers several specialized variants within the PT terminal block series to address specific application requirements:

PT-PE Series: Protective earth terminal blocks featuring distinctive green-yellow coloration for safety ground connections.
PTTB Series: Double-layer terminal blocks providing space-saving solutions with increased connection density.
PT2.5-3L Series: Three-layer terminal blocks for maximum connection density in limited space applications.
PTC4-HESI Series: Fuse terminals with integrated safety features for circuit protection applications.

Application Areas

VIOX PT Terminal Blocks excel in numerous industrial applications where reliable electrical connections are paramount:

Factory automation systems
Industrial control panels
Building automation
Power distribution systems
Renewable energy installations
HVAC control systems
Railway applications
Machine building
Process control equipment
Elevator and escalator systems

Installation Guidelines

Installing VIOX PT Terminal Blocks is straightforward, requiring minimal tools and technical expertise:

Mount the terminal block on a standard 35mm DIN rail
Strip the conductor to the recommended length (8-12mm depending on model)
Insert the conductor directly into the appropriate terminal hole
The spring-cage mechanism automatically secures the connection
Verify the connection is secure by gently pulling on the conductor

For disconnection, simply insert a flat screwdriver into the release slot and remove the conductor.

Quality Assurance and Certification

VIOX Electric maintains stringent quality control throughout the manufacturing process of all PT Terminal Blocks. Each product undergoes rigorous testing to ensure compliance with international standards including IEC/EN60947 and UL1059. This commitment to quality ensures that VIOX PT Terminal Blocks deliver reliable performance even in the most demanding industrial environments.

Customization Options

Understanding that different applications may require specialized solutions, VIOX Electric offers customization options for the PT Terminal Block series. Our engineering team can work with you to develop modified versions that meet specific requirements for current capacity, voltage rating, or physical dimensions.

Contact VIOX Electric’s technical support team for detailed information about custom PT Terminal Block solutions for your specific application requirements.

Why Choose VIOX PT Terminal Blocks?

When selecting terminal blocks for industrial applications, VIOX PT series offers distinctive advantages that set it apart from conventional options. The combination of innovative spring-cage technology, robust construction, and international certification makes VIOX PT Terminal Blocks the preferred choice for electrical professionals worldwide. The reduced installation time and enhanced long-term reliability translate directly into cost savings and improved system performance.

VIOX Electric’s commitment to continuous product improvement ensures that the PT Terminal Block series remains at the forefront of connection technology, incorporating the latest innovations and responding to evolving industry requirements.

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