Function and Purpose
The NRT28 series cylindrical cap fuse base is suitable for overload and short circuit protection in distribution circuits with AC 45Hz~62Hz, rated voltage up to 500V, and rated current up to 125A.
Detail Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| 4.1 Fuse Support (Base) Parameters | Model | NRT28-32 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 32 |
| Number of Poles | 1P |
| Dimension A | 64max |
| Dimension B | 82max |
| Dimension C | 18.5max |
| Dimension D | / |
| Dimension E | / |
| Dimension G | Φ10.3±0.1 |
| Dimension K | 38±0.6 |
| Dimension H | 44±2 |
| Dimension I | 47±2 |
| Dimension J | / |
| Model | NRT28-32 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 32 |
| Number of Poles | 2P |
| Dimension A | 64max |
| Dimension B | 82max |
| Dimension C | / |
| Dimension D | / |
| Dimension E | 37max |
| Dimension G | Φ10.3±0.1 |
| Dimension K | 38±0.6 |
| Dimension H | 44±2 |
| Dimension I | 47±2 |
| Dimension J | / |
| Model | NRT28-32 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 32 |
| Number of Poles | 3P |
| Dimension A | 64max |
| Dimension B | 82max |
| Dimension C | / |
| Dimension D | / |
| Dimension E | 55.5max |
| Dimension G | Φ10.3±0.1 |
| Dimension K | 38±0.6 |
| Dimension H | 44±2 |
| Dimension I | 47±2 |
| Dimension J | / |
| Model | NRT28-63 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 63 |
| Number of Poles | 1P |
| Dimension A | 77max |
| Dimension B | 112max |
| Dimension C | 27max |
| Dimension D | / |
| Dimension E | / |
| Dimension G | Φ14.3±0.1 |
| Dimension K | 51±2 |
| Dimension H | 51±2 |
| Dimension I | 83±2 |
| Dimension J | 38±2 |
| Model | NRT28-63 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 63 |
| Number of Poles | 2P |
| Dimension A | 77max |
| Dimension B | 112max |
| Dimension C | / |
| Dimension D | / |
| Dimension E | 54max |
| Dimension G | Φ14.3±0.1 |
| Dimension K | 51±2 |
| Dimension H | 51±2 |
| Dimension I | 83±2 |
| Dimension J | 38±2 |
| Model | NRT28-63 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 63 |
| Number of Poles | 3P |
| Dimension A | 77max |
| Dimension B | 112max |
| Dimension C | / |
| Dimension D | | / |
| Size E | 81max |
| Size G | Φ14.3±0.1 |
| Size K | 51±2 |
| Size H | 51±2 |
| Size I | 83±2 |
| Size J | 38±2 |
| Model | NRT28-125 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 125 |
| Poles | 1P |
| Size A | 77max |
| Size B | 128max |
| Size C | 36max |
| Size D | / |
| Size E | / |
| Size G | Φ22.2±0.1 |
| Size K | 58±2 |
| Size H | 51±2 |
| Size I | 95±2 |
| Size J | 39±2 |
| Model | NRT28-125 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 125 |
| Poles | 2P |
| Size A | 77max |
| Size B | 128max |
| Size C | / |
| Size D | / |
| Size E | 72max |
| Size G | Φ22.2±0.1 |
| Size K | 58±2 |
| Size H | 51±2 |
| Size I | 95±2 |
| Size J | 39±2 |
| 4.2 Fuse Parameters | Model | RT28-32 |
| Domestic and Foreign Equivalent Products | RT18-32, RT14-20, RT19-32, R015 |
| Size (mm) | 10x38 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 2, 4, 6, 10, 16, 20, 25, 32 |
| Breaking Capacity (kA) | 100 |
| Model | RT28-63 |
| Domestic and Foreign Equivalent Products | RT18-63, RT14-32, RT19-63, R016 |
| Size (mm) | 14x51 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 2, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63 |
| Breaking Capacity (kA) | 100 |
| Model | RT29-125 |
| Domestic and Foreign Equivalent Products | RT14-63, RT29-125, R017 |
| Size (mm) | 22x58 |
| Rated Voltage (V) | AC 500 |
| Rated Current (A) | 10, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125 |
| Breaking Capacity (kA) | 100 |
