The Husqvarna 593400501 Siemens Softstart Htc 500 is a genuine OEM component designed for the HTC500 floor grinder. As a direct Husqvarna OEM part, it is built to the exact electrical specifications required by the HTC500, ensuring correct integration with the machine's motor control system. Cross-reference 593400501 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM Electrical Specification — manufactured to Husqvarna's precise voltage and current ratings, ensuring the soft-start circuit performs exactly as the HTC500's drive system demands.
- Direct Drop-In Replacement — engineered to match the original mounting configuration and wiring connections of the HTC500, allowing straightforward installation without adapting any hardware.
- HTC500 Floor Grinder Compatibility — purpose-built for the HTC500 floor grinder, so you can verify part number 593400501 with confidence against your machine's parts list.
- Controlled Motor Start-Up — a functioning soft-start unit ramps motor speed gradually at startup, protecting the motor windings and drivetrain from high inrush current that can cause premature wear or component failure.
- Electrical Safety Compliance — as a Siemens-sourced OEM soft-start device, this component meets the electrical safety standards specified for the HTC500, keeping the machine operating within its designed protection parameters.
A soft-start controller limits the surge of electrical current that flows into the motor the moment the machine is switched on. Without it, the sudden inrush of current places significant stress on motor windings, drive components, and the power supply circuit, shortening their service life. When the soft-start unit fails, the motor may draw excessive current at startup, trip circuit breakers, or cause erratic operation — replacing it with the correct OEM unit restores smooth, controlled power delivery to the grinder's motor.
Part Details
| Part Number | 593400501 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Siemens Softstart Htc 500 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | HTC500 |
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.