10.14 EURexcl. VAT · import VAT and duties on delivery
Key specifications
| Rated current | 12.5 a |
|---|---|
| Fuse size | 6.3 mm |
| Fuse speed | slow-blow (time-lag) |
| Application boilers | ACV boilers |
9.54EUR
in stock · 1excl. VAT · import VAT and duties on delivery · shipping calculated at checkout
- Delivery to 97 countries
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Description
The ACV Slow-blow fuse 5476C011 is a 12.5 A, 6.3 mm fuse with a slow-blow (time-lag) characteristic, designed for use in ACV boilers. It fits models including the HeatMaster 45 TC Smart ME Prestige Solo MK2 and HeatMaster 45 TC. This fuse protects control boards, ignition transformers, and low-voltage circuits from overcurrent and short circuits. Its slow-blow action tolerates brief inrush currents during start-up, preventing nuisance trips.
Further details
| Advantages | fast response to voltage surges, reliable component protection, factory-approved original part |
|---|---|
| Protection function | protects control board, ignition transformer, and low-voltage circuits against overcurrent and short circuits |
| Used in models | Heatmaster 45 TC Smart Me Prestige Solo MK2 |
Choosing and fitting
When selecting a fuse of this type, match the physical dimensions (e.g., 6.3 x 32 mm), current rating, and speed (slow-blow) to the original. Verify the voltage rating on the fuse body is at least the circuit voltage. Never use a higher current rating or faster speed, as this compromises protection. Always investigate the cause of a blown fuse before replacement.
Signs of failure
A blown fuse of this kind typically results from a shorted component or failing transformer, causing the boiler to lose power to protected circuits. Symptoms include the boiler failing to start, control board not powering up, or ignition transformer not operating. Check the fuse continuity and inspect for visible damage or discoloration.
Fits equipment
HeatMaster 45 TC
All specifications
| Rated current | 12.5 a |
|---|---|
| Fuse size | 6.3 mm |
| Fuse speed | slow-blow (time-lag) |
| Application boilers | ACV boilers |
Part numbers
| SKU | 5476C011 |
|---|---|
| Additional article | 129.595.001 |
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