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ACE AC-2/20MHUVBMS Electronic 2x20W PSMH Ballast - Studs

1.44 LBS
Ships within 24 to 48 hours. Product may be out-of-stock or back-ordered without notice. Please call for immediate availability.
Calculated at checkout

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Product Description

In trying to meet legislative requirements of energy efficiency, we know how tough it is for business owners, architects and contractors to do this while lowering expenses. With that being said, your facility needs the best lighting solutions money can buy and those Metal Halide lamps need to be powered efficiently.  Our AC-2/20MHUVBMS ballasts are energy and cash saving for your project.

The MH Ballast Electronic Pulse Start (PSMH) ballast is a solid-state composition built for operation in extreme temperatures whether hot (194°F) or cold (-10°F). Housed in corrosion resistant aluminum, this lead-free electronic ballast meets the UL Outdoor Type 1 regulations, which requires protection of the device if it were to come in contact with live parts. 

Call our amazing ballast guys for the best price!


  • Universal Voltage (108-305V)
  • Operates: Metal Halide Lamps
  • Frequency: 50Hz/60Hz      
  • Ballast Factor: 1.00
  • Bottom Mounting Studs
  • Start Method: Pulse Start
  • Type HL Listed





This device is best when used with Metal Halide lighting fixtures such as, street, parking lot, and area fixtures. Installation is made simple with 2” studs, which enables for flush mounting.

External Specifications

The interior of this high efficient ballast is housed in erosion resistant aluminum. It features 2” mounting studs on the bottom and is measured at 5.42 X 3.58 X 1.26.

Electrical Specifications

This electronic ballast operates with universal input line voltage (120/277) and works best with 20-watt metal halide lamps. 


  • cRU
  • RoHS
  • cUL Listed
  • UL Listed
  • Type HL Listed
  • Type 1 Outdoor

Contact our expert customer service team for more information about this ballast, today! The Ballast Co. is open 24 hours, 7 days a week. Our expert staff is available for questions and/or sales at (800) 928-2848 or sales@ballasts.com

Warranty Information

Ballast Co. warrants that the AC-2/20MHUVBMS Electronic Ballast will be free of defects for a term of three years. The term begins on the date of purchase.

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STE 119-423
Alpharetta GA 30022
+1 (800) 887-9957

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