Square D HU664DS Heavy Duty Non-Fusible Safety Switch
The Square D HU664DS is a heavy duty non-fusible safety switch designed for demanding industrial applications. Rated at 200A and 6 poles with a 150hp motor rating, this switch handles up to 600VAC/DC and is housed in a NEMA 4, 4X, and 5 rated 304 stainless steel enclosure for use in corrosive, washdown, and outdoor environments.
Key Features
- Non-fusible heavy duty design
- 200A ampere rating, 6-pole configuration
- 150hp motor rating
- 600VAC/DC voltage rating
- NEMA 4, 4X, and 5 rated enclosure
- 304 stainless steel construction for corrosion resistance
- Surface-mount installation
Specifications
- Model: HU664DS
- Amperage: 200A
- Poles: 6
- Horsepower: 150hp
- Voltage: 600VAC/DC
- Enclosure: NEMA 4, 4X, 5
- Material: 304 Stainless Steel
- Mounting: Surface
- Type: Non-Fusible Safety Switch
Applications
The HU664DS is engineered for industrial facilities requiring reliable disconnect capability in washdown, corrosive chemical, or outdoor environments. Common applications include food processing, wastewater treatment, chemical plants, and other facilities where stainless steel enclosures and NEMA 4X protection are required.



