
Willele SAK/JXB Terminal Block
Universal DIN rail terminal block for industrial control panels.
- Wire range 0.5–35 mm², current 24–192 A, voltage 500–800 V
- Screw-clamp reliability with reinforced accessories; clear color coding
- Snap-on mounting, fast installation; built to international standards
Introduction to Willele SAK/JXB Terminal Blocks
The Willele SAK/JXB terminal block series brings proven German-style connection technology to modern electrical panels.
Designed for precision and manufactured with robust materials, these DIN rail terminal blocks deliver dependable performance across diverse industrial applications.
The series is engineered to align with international standards for long-term reliability in demanding environments.
Superior Design and Engineering Excellence
SAK/JXB blocks feature thoughtful engineering, compact footprints, and versatile mounting to suit both G and TH rails.
Reinforced accessories ensure stable contact pressure, while a practical color system—cream/gray for the block body, yellow-green for PE—improves visibility and speeds installation and maintenance.
Key Features & Benefits of Willele SAK/JXB
Enhanced Safety & Reliability
Versatile Installation Options
| Superior Performance Characteristics
Time & Cost Efficiency
|
Technical Specifications & Applications
Willele SAK/JXB terminal blocks are suitable for:
- Industrial automation systems
- Power distribution panels & control cabinets
- Railway and transportation equipment
- Building management systems
- Renewable-energy installations
- Manufacturing and process control
The series provides reliable solutions from signal connections to high-current distribution.
Willele SAK/JXB Series Model Comparison Table
| Model Number | Dimensions (mm) | Rated Voltage | Rated Current | Wire Range (mm²) | Solid Wire (mm²) | Stranded Wire (mm²) | Strip Length (mm) |
|---|---|---|---|---|---|---|---|
| SAK-2.5EN | 41 × 32.5 × 6 | 800V | 24A | 2.5 | 0.5–4 | 1.5–4 | 10 |
| SAK-4EN | 41 × 32.5 × 6.5 | 800V | 32A | 4 | 0.5–6 | 1.5–6 | 12 |
| SAK-6EN | 41 × 32.5 × 8 | 800V | 41A | 6 | 0.5–10 | 1.5–10 | 12 |
| SAK-10EN | 51 × 47 × 10 | 800V | 57A | 10 | 1.5–16 | 1.5–16 | 12 |
| SAK-16EN | 51 × 47 × 12 | 800V | 76A | 16 | 2.5–16 | 2.5–16 | 15 |
| SAK-25EN | 51 × 47 × 15 | 800V | 101A | 25 | 4–25 | 10–25 | 15 |
| SAK-35EN | 59 × 62.5 × 18 | 800V | 125A | 35 | 6–35 | 10–35 | 20 |
| SAK-70EN | 76.5 × 71.5 × 22.5 | 800V | 192A | 70 | 16–50 | 25–50 | 24 |
| SAK-DK4G | 50.5 × 56.5 × 6 | 500V | 32A | 4 | 0.5–4 | 1.5–4 | 10 |
| SAK-WTL6 | 66 × 56.5 × 8 | 500V | 41A | 4 | 0.5–4 | 1.5–4 | 10 |
| SAK-2.5RD | 58.5 × 56.5 × 8 | 500V | 6.3A | 1 | 0.5–4 | 0.5–4 | 10 |
| SAK-2.5RD/X | 58.5 × 56.5 × 8 | 500V | 6.3A | 1 | 0.5–4 | 0.5–4 | 10 |
Willele maintains strict quality control across the SAK/JXB manufacturing process. Each component is rigorously tested for
compliance with relevant international standards, ensuring durable, consistent performance even in harsh industrial environments.
Why Choose Willele SAK/JXB?
- Industry-leading technology: robust German-style connection with practical design details
- Comprehensive range: from signal to high-current applications
- International compliance: built to recognized standards
- Proven reliability: engineered for long service life
- Technical support: responsive assistance from Willele’s team
Conclusion
Willele SAK/JXB universal terminal blocks combine innovative design, rugged construction and dependable performance.
Whether you need basic terminal connections or sophisticated high-current solutions, the series offers a complete lineup to meet
modern industrial requirements—delivering superior quality, enhanced safety and operational efficiency for your electrical systems.




