The Husqvarna 525638101 Fuse is a genuine OEM electrical protection component designed for HTC and PG series floor grinders, including the HTC280, HTC510, HTC450, PG280, PG400, PG450, PG510, and PG510I. As an OEM part, it is manufactured to the exact electrical specification Husqvarna requires for safe, reliable operation of these machines. Cross-reference part number 525638101 against your parts diagram to confirm the correct position before ordering. DHS Equipment supplies this part to help keep your floor grinders running at full capacity.
Key Features
- Correct Electrical Rating — Manufactured to the precise amperage and voltage specification required by Husqvarna HTC and PG floor grinders, ensuring the circuit is properly protected without nuisance tripping or under-protection.
- Genuine OEM Component — Sourced directly from Husqvarna, this fuse meets the same electrical standards as the original part installed at the factory, with no guesswork on compatibility.
- Drop-In Replacement — Designed to seat directly into the original fuse holder or fuse block on compatible machines, matching the physical form factor of the OEM fuse it replaces.
- Broad Floor Grinder Compatibility — Fits HTC280, HTC450, HTC510, PG280, PG400, PG450, PG510, and PG510I floor grinders, covering a wide range of Husqvarna's planetary grinding lineup.
- Circuit and Motor Protection — A correctly rated fuse safeguards the grinder's electrical system against overcurrent events that could damage motors, controllers, or wiring — keeping expensive components protected during heavy grinding operations.
- Electrical Safety Compliance — Using the OEM-specified fuse ensures the machine's overcurrent protection performs as Husqvarna designed it, which is critical for operator safety and electrical system integrity on commercial job sites.
A fuse is the first line of defense in a floor grinder's electrical system. It is engineered to break the circuit instantly when current exceeds a safe threshold, protecting the motor, variable frequency drive, and control electronics from damage caused by overloads or short circuits. When a fuse blows, the machine shuts down — which is by design — but installing an incorrectly rated replacement can leave critical components exposed to damaging current spikes or cause repeated nuisance shutdowns that interrupt grinding work. Replacing the blown fuse with the correct OEM part, such as this 525638101, restores proper circuit protection and gets the grinder back to work safely.
Part Details
| Part Number | 525638101 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Fuse |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | HTC280 |
| Floor Grinder | HTC510 |
| Floor Grinder | PG280 |
| Floor Grinder | PG400 |
| Floor Grinder | HTC450 |
| Floor Grinder | PG450 |
| Floor Grinder | PG510I |
| Floor Grinder | PG510 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
