Nanocrystalline cores
RCCB (Residual Current Circuit Breaker)
RCCB High Performance Nano Crystalline Safety Cores
Advanced RCCB Cores for Residential and Industrial Safety
Designed for both 2-pole and 4-pole systems, they offer superior thermal stability and reliability to keep personnel and equipment safe.
RCCB Nano Crystalline Cores for Enhanced Leakage Protection
Voltage-independent Residual Current Circuit Breakers (RCCBs), enhancing safety in both residential and industrial electrical systems. RCCBs detect leakage currents and disconnect the power supply when faults occur, ensuring personnel and equipment safety. These toroidal-shaped cores, encased in protective plastic, are optimized for different RCCB types, including electronic and electromagnetic variants. They support 2-pole and 4-pole configurations with rated currents ranging from 10A to 100A and sensitivities of 30mA, 100mA, and 300mA.
Technical Specifications
Current Ratings & Magnetic Properties:
| Sr. No. | Leakage current ratings | Initial Permeability(k) | Max. Permeability(k) |
|---|---|---|---|
| 1 | 10-30mA | 100 - 180 | 350 - 500 |
| 2 | 100mA | 80 - 150 | 190 - 350 |
| 3 | 300mA | 70 - 110 | 100 - 160 |
| 4 | 500mA | 50 - 70 | 80 - 100 |
Nano-Crystalline Core Material Properties
| Basic Parameter | Nano Core |
|---|---|
| Saturation Flux Density (T) | 1.25 |
| Initial Permeability | 50,000 – 180,000 |
| Maximum Permeability | 80,000 - 500,000 |
| Density (g/cm2) | 7.25 |
| Curie Temperature | 570 |
| Ribbon Thickness (mm) | 0.025-0.030 |
| Occupation Stack factor | 0.8 |
Core Dimensions
| Bare Core Size | Finish Casing Size |
|---|---|
| ID x OD x Ht | ID x OD x Ht |
| 13 x 17.8 x 5 mm | 11.60 x 19.60 x 6.55 mm |
| 14 x 20 x 10 mm | 12.10 x 22.60 x 11.75 mm |
| 16 x 26 x 10 mm | 14.10 x 28.30 x 12.70 mm |
| 20 x 30 x 15 mm | 17.80 x 33.50 x 17.85 mm |
| 10 x 15 x 20 mm | 8.25 x 18.20 x 22.35 mm |
| 13 x 21.5 x 18 mm | 11.55 x 24.65 x 21.30 mm |
| 13.8 x 20 x 12 mm | 11.65 x 24.15 x 15.40 mm |
| 17 x 24.5 x 20 mm | 15.70 x 28.20 x 22 mm |
| 11.5 x 18 x 20 mm | 9.70 x 23.50 x 22.50 mm |
| 12 x 24 x 25 mm | 9.80 x 26.70 x 27.80 mm |
| 9 x 15 x 20 mm | 7 x 17.50 x 24 mm |
| 12 x 23.5 x 22 mm | 10 x 25.5 x 24.3 mm |
Advantages of Nano-crystalline Material
1
High permeability for enhanced inductance and fewer winding turns
2
High saturation induction for compact size
3
Excellent thermal and magnetic stability
4
Low coercivity and core loss
5
High Curie temperature
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