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Bussmann Class D fuses protect motors, fans, blowers, conveyors and HVAC systems from electrical faults, minimising downtime and ensuring operational reliability.
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K| Style | Model | Color Code | Diameter | Functionally Equal To | Fuse Amps | Length | Price | |
|---|---|---|---|---|---|---|---|---|
| A | 35D33 | Black | 27.5mm | Siemens 5SB4-11 | 35 | 50ft. | £35.54 | |
| B | 20D27 | Blue | 21.5mm | Siemens 5SB2-71 | 20 | 50ft. | £19.84 | |
| C | 4D27 | Brown | 21.5mm | Siemens 5SB2-21 | 4 | 50ft. | £22.68 | |
| D | 4GD27 | Brown | 27/32" | Siemens 5SB2 | 4 | 2" | £6.41 | |
| C | 4D16 | Brown | 13.2mm | Siemens 5SA2-2 | 4 | 50ft. | £27.01 | |
| E | 63D33 | Copper | 27.5mm | Siemens 5SB4-11 | 63 | 50ft. | £38.24 | |
| F | 6D27 | Green | 21.5mm | Siemens 5SB2-31 | 6 | 50ft. | £26.18 | |
| G | 16D27 | Grey | 21.5mm | Siemens 5SB2-61 | 16 | 50ft. | £23.90 | |
| H | 2D27 | Pink | 21.5mm | Siemens 5SB2-11 | 2 | 50ft. | £22.75 | |
| I | 10D27 | Red | 21.5mm | Siemens 5SB2-51 | 10 | 50ft. | £19.65 | |
| I | 10D16 | Red | 13.2mm | Siemens 5SA2-51 | 10 | 50ft. | £22.06 | |
| D | 100D125 | Red | 1 1/3" | Siemens 5SC2-21 | 100 | 2.25" | £62.56 | |
| J | 50D33 | White | 27.5mm | Siemens 5B4 | 50 | 50ft. | £38.14 | |
| K | 25D27 | Yellow | 21.5mm | Siemens 5SB2-81 | 25 | 50ft. | £24.66 |
The bottle fuses are types of fuses with variable-sized ends used in small electrical systems to protect circuits from short circuits and overcurrents. These bottle fuses prevent incorrect insertion of wrong fuses into a circuit.
Fusible switches are equipped with integrated fuses that offer overcurrent protection for electrical circuits, while non-fusible switches lack built-in fuses and rely on other protective devices, such as circuit breakers or upstream fuses, to provide overcurrent protection in the circuit.