▸ Key Features:
• Magnetic HID ballast kit for 400W High Pressure Sodium lamps (S-51 type)
• Multi-tap voltage input: 120/208/240/277V for universal compatibility
• Includes capacitor, mounting brackets, prewired leads, and hardware
• Designed for retrofits, fixture repairs, and HPS lighting maintenance
• Heavy-duty components built for long service life in demanding environments
• Suitable for outdoor, commercial, and industrial HPS lighting fixtures
▸ Applications:
• Parking lot and security lighting
• Industrial building exterior lighting
• High‑bay and warehouse HPS fixtures
• Roadway and municipal lighting maintenance
• Commercial retrofit projects
• Replacement for failed magnetic HPS ballasts
▸ Alternative Model Numbers:
S400MLTAC5M
S400MLTAC5M500K
400W HPS S51 Replacement Kit
Universal 400W HPS Multi‑Tap Ballast
M400MLT Series (general family)
▸ Common Misspellings or Phrasing:
S400MLTACSM-500
S400MLTAC5MB00
Universal 400W HPS Kit
HPS 400 Magnetic Ballast Kit
S400 MLTAC 5M
