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Hatch MC20-1-J-277X NanoSlim 20W Elec MH Ballast - Stud Mount

0.56 LBS
Calculated at checkout

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Product Description

Our Hatch Nano-Slim Metal Halide ballast is an ideal solution for your high intensity lighting needs. This electronic device provides needed wattage and voltage to HID lights in areas such as: roadway and parking lots.

The MC20-1-J-277X model is a micro processor controlled device featuring: a safety and low voltage lamp shutdown feature and hot lamp restrike attribute. Although it’s an electronic ballast, it operates metal halide lamps: M156 and SLi BriteSpot at 20 Watts.

Another great benefit of using this device is the ignition failure protection shutdown feature, which detects faulty circuits. It triggers in 5 seconds and is then followed by multiple timed re-strikes until the power is reset. The timing of the re-strikes depends primarily on the lamp wattage dependency.

Call our amazing ballast guys for the best price!


  • Dedicated Input Voltage: Dual 277V
  • Ballast Type: Electronic
  • Sound Rating; ‘A’
  • Operating temperature: In the range of -30°C and 80°C
  • Open Circuit/No Lamp/ Hot Lamp Shutdown 
  • Micro Processor Controlled (Safety Shut Down Features)


The MC20-1-J-277X ballast can be mounted X-Nano style with the (j-bottom) studs’ configuration. With open circuitry form its wires are equipped with a short-circuit protection. It has surge protection capabilities, which are in accordance with ANSI C62.41 for Category A locations, which refer to any residential home where the ballast is located indoors and at least 25 feet away from the circuit breaker box.

External Specifications

Built inside a metal casing, X-Nano style with J-Bottom feed and studs, this ballast has open wiring circuitry and measures at 4.38”x1.74”x1.18”.

Electrical Specifications

The ballast’s storage and operating temperature for MC20-1-J-277X ranges between -30°C and 80°C. It works at an input voltage of 277V and a current of .9A at 277V.



  • Length: 4.38”
  • Width: 1.74
  • Height: 1.18”
  • Weight: .051 (Unit) 28 (Case of 50)


  • RoHS Compliant
  • UL 935 Listed
  • Energy Star Rated
  • FCC Part 18 Class B
  • ANSI C62.41 Cat A 

If you're not sure whether or not this ballast is the right one for your fluorescent lighting fixture, contact a member of our expert staff immediately!

The Ballast Co. is open 24 hours, 7 days a week. Our expert staff is available for questions and/or sales at (800) 887-9957 or sales@ballast.com

Warranty Information

The product MC20-1-J-277X comes with a five (5) year warranty applicable to all the external and physical damages, applicable only when used for not more than 12 hours a day.

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Ballasts.com an Unlimited Lights LLC Company 3000 Old Alabama Rd
STE 119-423
Alpharetta GA 30022
+1 (800) 887-9957

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