Overview
The Hubbell KS40HBLC20S is a robust 400W ballast housing engineered for high-performance industrial high bay lighting. This fixture combines Hubbell’s proven reliability with heavy-duty construction to meet the demanding requirements of manufacturing facilities, warehouses, and large industrial spaces. The unit’s die-cast aluminum design provides superior thermal management, extending the life of electrical components while maintaining consistent light output.
Key Features
- 400W power capacity for high-output HID metal halide lamps
- Die-cast aluminum housing with corrosion-resistant finish for durability in harsh environments
- Thermal design ensures cooler operation and extended component life
- Compatible with multiple optical systems for flexible mounting configurations
- High power factor ballast with Class H insulation for safety and efficiency
- CSA and cCSAus certified for North American compliance
Technical Specifications
- Power Rating: 400 watts
- Lamp Type: HID Metal Halide
- Ballast Type: Pulse Start High Power Factor
- Housing Material: 2-piece die-cast aluminum
- Insulation Class: H (180°C)
- Operating Temperature Range: -40°C to 55°C
- Finish: Corrosion-resistant Lektrocote® white coating
- Certifications: CSA 22.2, cCSAus
- Mounting Style: Pendant mount compatible
Typical Applications
- Manufacturing and assembly plants
- Warehouse and distribution center lighting
- Industrial high bay and gymnasium facilities
- Commercial storage and logistics operations
- Heavy-duty outdoor industrial lighting
Compatibility & Replacements
Compatible With
- HID metal halide lamp systems
- Standard industrial high bay light fixtures
- Pulse Start ballast-compatible optical systems
- Pendant and ceiling-mount configurations
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or lighting specialist before ordering. While this unit is built to Hubbell’s specifications for high bay fixtures, direct replacement compatibility should be confirmed with your existing installation.
Works With
- 4-lamp optical systems available
- Standard industrial electrical distribution panels (480V capable)
- Conventional HID ballast control circuits
- Pendant and suspension mounting hardware




















