Welcome to VIOX Electric’s comprehensive guide to our industry-leading NJD Series Terminal Blocks. As a premier manufacturer of low-voltage electrical components, VIOX Electric has engineered these terminal blocks to meet the highest standards of performance, reliability, and safety in electrical connection applications.

What Are NJD Terminal Blocks?

VIOX NJD Terminal Blocks are precision-engineered connection devices designed for secure and efficient electrical circuit termination. These robust components serve as the crucial interface points in electrical systems, allowing for reliable wire connections in distribution panels, control systems, and industrial equipment.

Our NJD series is specifically designed for 50Hz/60Hz applications, with a rated voltage capacity of 660V and current rating of 25A for low-voltage operations. These terminal blocks excel in circuit connections, branch distribution, and collection applications across various industrial environments.

Key Features and Benefits of VIOX NJD Terminal Blocks

Superior Safety Standards: Fully compliant with GB/T 14048.7 and IEC 60947-7-1 international standards
Excellent Electrical Performance: Rated for 660V and 25A with optimal conductivity
Versatile Wire Compatibility: Accommodates wire cross-sections from 0.5mm² to 2.5mm²
Easy Installation: Compatible with standard C-type mounting rails for quick and secure setup
Durable Construction: High-quality flame-retardant materials ensuring long service life
Comprehensive Range: Multiple models available for various application requirements
Color-Coded Options: Available in vibrant orange for easy identification in complex panels
Space-Efficient Design: Compact dimensions optimize panel space utilization

Applications of NJD Terminal Blocks

VIOX NJD Terminal Blocks are the preferred choice for electrical professionals across numerous industries, including:

Industrial automation systems
Power distribution panels
Factory equipment and machinery
Building management systems
HVAC control panels
Railway signaling equipment
Renewable energy installations
Telecommunications infrastructure

Technical Specifications

The VIOX NJD series terminal blocks are engineered to deliver consistent performance under demanding conditions. Their technical parameters include:

Frequency compatibility: 50Hz/60Hz
Rated insulation voltage: 660V
Rated current: 25A
Wire cross-section range: 0.5-2.5mm²
Operating temperature: -40°C to +85°C
Flame resistance: UL94V-0
Installation method: 35mm DIN rail mounting (C-type)
Housing material: High-grade thermoplastic

VIOX NJD Terminal Block Series Models

Model	Type	Dimensions (H×W×T mm)	Voltage (V)	Current (A)	Wire Section (mm²)	Mounting Rail
NJD-7P	Standard	42×62×10	660	25	0.5-2.5	C-type
NJD-7P-1	Standard	42×62×10	660	25	0.5-2.5	C-type
NJD-7L	Connection	42×62×10	660	25	0.5-2.5	C-type
NJD-7S	Test	43×62×12	660	25	0.5-2.5	C-type
NJD-10D	Isolation	50×62×10	660	25	0.5-2.5	C-type
NJD-7B	Marker	42×62×10	660	25	0.5-2.5	C-type

Why Choose VIOX NJD Terminal Blocks?

Electrical professionals choose VIOX NJD Terminal Blocks for their exceptional quality and reliability. Our commitment to manufacturing excellence ensures that each terminal block meets the highest standards of performance and safety.

The NJD series offers distinct advantages:

Simplified Wiring: Streamlined design makes installation and maintenance more efficient
Enhanced Safety: Superior insulation properties minimize electrical hazards
Cost Efficiency: Durable construction reduces replacement frequency and maintenance costs
Versatility: Multiple models address diverse application requirements
Consistent Performance: Reliable operation even in challenging industrial environments

Installation and Usage Guidelines

VIOX NJD Terminal Blocks are designed for straightforward installation on standard 35mm DIN rails. For optimal performance and safety:

Ensure proper torque when tightening terminal screws (recommended: 0.8-1.0 N·m)
Verify wire stripping length matches terminal specifications
Avoid exceeding the rated current and voltage parameters
Periodically inspect connections for signs of loosening or overheating
Keep terminal blocks clean and free from contaminants

Quality Assurance and Certification

At VIOX Electric, quality is paramount. Our NJD Terminal Blocks undergo rigorous testing and quality control processes to ensure they meet or exceed industry standards. Each product complies with GB/T 14048.7 and IEC 60947-7-1 specifications, guaranteeing safety and reliability in electrical installations.

Contact VIOX Electric

Ready to enhance your electrical connection systems with VIOX NJD Terminal Blocks? Contact our technical support team for personalized assistance with product selection, technical specifications, or custom requirements. As a leading manufacturer of low-voltage electrical components, VIOX Electric is committed to providing superior products and exceptional customer service.

Discover why electrical professionals worldwide trust VIOX NJD Terminal Blocks for their critical connection needs.

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VIOX NJD Terminal Block