20 Best 400 Watt Hps Digital Ballast [2024]

Are you looking for the best 400 watt hps digital ballast? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 400 watt hps digital ballast.

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1 iPower GLBLST400D Horticulture 400 Watt Digital Dimmable Electronic Ballast for Hydroponic HPS MH... iPower GLBLST400D Horticulture 400 Watt Digital Dimmable Electronic Ballast for Hydroponic HPS MH...
2 iPower GLSETX400DHMWING20 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System... iPower GLSETX400DHMWING20 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System...
3 VIVOSUN 400 watt Dimmable Digital Ballast for HPS MH Grow Light, Soft Start Program & Stable... VIVOSUN 400 watt Dimmable Digital Ballast for HPS MH Grow Light, Soft Start Program & Stable...
4 iPower GLSETX400DHMAC6 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits... iPower GLSETX400DHMAC6 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System...
5 Apollo Horticulture GLBHPS400 400 - Watt HPS Grow Light Bulb Lamp for Magnetic and Digital Ballast Apollo Horticulture GLBHPS400 400 - Watt HPS Grow Light Bulb Lamp for Magnetic and Digital Ballast
6 eGrow 400 Watt Digital Grow Light Ballast for HPS MH Bulbs, Indoor Grow Lamps, Horticulture eGrow 400 Watt Digital Grow Light Ballast for HPS MH Bulbs, Indoor Grow Lamps, Horticulture
7 iPower GLSETX400DHMCT6 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Horticulture... iPower GLSETX400DHMCT6 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits...
8 eGrow 400w HPS Grow Light Kit | Complete Digital Ballast, HPS Bulb, and Fixture System eGrow 400w HPS Grow Light Kit | Complete Digital Ballast, HPS Bulb, and Fixture System
9 TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue) TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue)
10 iPower GLSETX400DHAC6 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture Air... iPower GLSETX400DHAC6 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture...
11 iPower GLSETX600DHCT6 Horticulture 600 Watt HPS Digital Dimmable Ballast Grow Light System Kits Cool... iPower GLSETX600DHCT6 Horticulture 600 Watt HPS Digital Dimmable Ballast Grow Light System Kits...
12 iPower 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture Wing Reflector Hood... iPower 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture Wing Reflector...
13 iPower 600 Watt HPS MH Digital Dimmable Grow Light System Kits Wing Reflector Set with Timer iPower 600 Watt HPS MH Digital Dimmable Grow Light System Kits Wing Reflector Set with Timer
14 iPower GLBLST400DV1 400 Watt Digital Dimmable Electronic Ballast for Horticulture and Hydroponics... iPower GLBLST400DV1 400 Watt Digital Dimmable Electronic Ballast for Horticulture and Hydroponics...
15 iPower GLSETX400DHWING20T 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture... iPower GLSETX400DHWING20T 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits...
16 Yescom 400W HPS MH Electronic Dimmable Ballast for Grow Light Bulb Lamp w/Cooling Fan Yescom 400W HPS MH Electronic Dimmable Ballast for Grow Light Bulb Lamp w/Cooling Fan
17 iPower 400W Digital Dimmable Electronic Ballast Hydroponic HPS MH Grow Light and 200pcs 8' Cable Tie iPower 400W Digital Dimmable Electronic Ballast Hydroponic HPS MH Grow Light and 200pcs 8" Cable Tie
18 iPower GLBLST400DX2 2 Pack Horticulture 400 Watt Digital Dimmable Electronic Ballast for Hydroponics... iPower GLBLST400DX2 2 Pack Horticulture 400 Watt Digital Dimmable Electronic Ballast for...
19 iPower GLBLST400DX4 4 Pack Horticulture 400 Watt Digital Dimmable Electronic Ballast for Hydroponics... iPower GLBLST400DX4 4 Pack Horticulture 400 Watt Digital Dimmable Electronic Ballast for...
20 iPower GLSETX400DHMCT8XXL Horticulture 400 Watt HPS MH Bulb Digital Dimmable Ballast Grow Light... iPower GLSETX400DHMCT8XXL Horticulture 400 Watt HPS MH Bulb Digital Dimmable Ballast Grow Light...
SaleBestseller No. 1
iPower GLBLST400D Horticulture 400 Watt Digital Dimmable Electronic Ballast for Hydroponic HPS MH...
  • Support dual voltage input 120V/240V. Dimmable options: 50%, 75%, 100%. Watt option: 150w/250w/400w/Super lumens (110%)
  • High frequency output results in less power loss, 30% more lumens than magnetic ballasts for improved yields
  • Automatically converts between HPS and MH light bulbs by micro-chip programming; Fast lamp ignition by lighting up the bulbs within 1-2 mins max;...
  • Ultra-safety: Protection against short circuit, Power surge, ignition failure, overheat, end-of bulb-life; Built-in cooling fan and graduating fin...
  • Package included: 1-pack 400 watt digital dimmable electronic ballast included
Bestseller No. 2
iPower GLSETX400DHMWING20 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System...
  • 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable...
  • 1 x 400W Super HPS bulb 2100K; 1 x 400W MH bulb 6000K; optimized Spectrum and high PAR (photosynthetic active radiation) to promote healthy plant...
  • 1 x pair of 8-ft adjustable ratchet clip hanger rope: hold up to 150 lbs
  • 19-inch Wing Reflector: up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard Hydroponic...
  • This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower grow light...
Bestseller No. 3
VIVOSUN 400 watt Dimmable Digital Ballast for HPS MH Grow Light, Soft Start Program & Stable...
  • Quality Assurance: UL listed; Stable performance with 3-year warranty, professional after-sales service
  • Spec.: Runs on 120 - 240V, 50/60Hz, 8ft 120V power cord
  • Watt Option: 150w / 250w / 400w / Super lumens (110%)
  • Protection System: Overheating protection, end-of-bulb-life protection, short-circuit protection, ignition-failure protection
  • Notice: Set ballast to the same watt option as the matched bulb before started
Bestseller No. 4
iPower GLSETX400DHMAC6 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits...
  • 400W digital dimmable electronic ballast: Support 120V/240V input; dimmable options: 50%, 75%, 100%; 8 feet heavy-duty power cord included; Stable...
  • 1 x 400W super HPS bulb 2100K; 1 x 400W MH bulb 6000K: Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant...
  • 1 x pair of 8-ft adjustable ratchet clip hanger rope: hold up to 150 lbs; 24-hour plug-in mechanical timer: 15 minutes increments
  • 6-inch air cooled hood reflector: Up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 ceramic socket and standard hydroponic...
  • Caution: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...
Bestseller No. 5
Apollo Horticulture GLBHPS400 400 - Watt HPS Grow Light Bulb Lamp for Magnetic and Digital Ballast
  • E39 Base 400watt Apollo Brand HPS bulb compatible with electronic and magnetic ballasts (56,000 Lumens)
  • High Pressure Sodium's Light Spectrum Stimulates Flower Growth and enhances Fruiting
  • 2000K Red-Orange Spectrum, Designed specifically for Professional Hydroponic Plant Cultivation
  • Expected Bulb Life: 24,000 Hours Improved Lamp Life and Lumen Output, 110V power voltage
  • Regulation: USA Federal Standard 21 CFR 1040.30 + Canada Standard S OR/80-382
Bestseller No. 6
eGrow 400 Watt Digital Grow Light Ballast for HPS MH Bulbs, Indoor Grow Lamps, Horticulture
  • For use with 400 Watt HID (HPS/MH) grow light bulbs | multi-volt input 120V/240V | 8 foot heavy-duty grounded power cord included
  • High frequency lamp drive provides more lumens than magnetic ballasts for improved yields | Soft start ignition improves power efficiency by 15% or...
  • Automatically adjusts for HPS and MH light bulbs | Fast lamp ignition | Stable voltage output | Virtually silent operation
  • Built-in cooling fan and integrated heat sink housing minimize ballast component temperatures for extended life and performance
  • Measures: 8.625" x 4" x 2.75" | Plug Type: NEMA 5-15 (120v Grounded Cord) | Standard-type socket cord receptacle
Bestseller No. 7
iPower GLSETX400DHMCT6 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Horticulture...
  • 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable...
  • 1 x 400W Super HPS bulb 2100K; 1 x 400W MH bulb 6000K; optimized Spectrum and high PAR (photosynthetic active radiation) to promote healthy plant...
  • 1 x pair of 8-ft adjustable ratchet clip hanger rope: hold up to 150 lbs. ; 24-hour plug-in mechanical timer: 15 minutes increments
  • 6-inch Cool Tube Reflector with Add-on Wing: Up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord (UL Listed) with E39 Ceramic Mogul...
  • Caution: this system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...
Bestseller No. 8
eGrow 400w HPS Grow Light Kit | Complete Digital Ballast, HPS Bulb, and Fixture System
  • Electrical: 400 watts, approx. 3.33 amps @ 120v | System Includes: 400w eGrow Digital ballast, 400w Horticultural-Grade HPS Bulb, Ultra Reflective...
  • High frequency digital ballst provides more lumens than magnetic ballasts for improved yields | Soft start ignition improves power efficiency by 15%...
  • 400-watt high pressure sodium (HPS) bulb provides enhanced horticultural spectrum & 55,000 lumen output
  • Suggested garden coverage area: up to 4' x 4'
  • Ballast measures: 8.625" x 4" x 2.75" ; Reflector measures: 16" long x 13" wide x 6" deep - hanger attachment hardware included
Bestseller No. 9
TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue)
  • 【Specification】:Rating input current 2.89,Start current 0.96,Operating temperature -20~50,Waterproof level IP65, Net weight <3 KG.
  • 【Suitable for MH and HPS】:TOPHORT electronic dimmable ballast compatible with both MH and HPS bulbs,120V and 240V power supplies.
  • 【Stable Output Voltage】:High-frequency output results in less power loss (50/60Hz Frequency).
  • 【Super-Safety】:TOPHORT digital ballasts are tuned for minimal total harmonic distortion (THD%) 99% Power factors replaceable outset fuse by input...
  • 【Guarantee Assurance】:Our TOPHORT HPS grow light ballasts are UL Certified and come with a 2-year warranty against manufacturer defects. If your...
Bestseller No. 10
iPower GLSETX400DHAC6 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture Air...
  • 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable...
  • 1 x 400W Super HPS Bulb; Color Temperature: 2100K; Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth...
  • 1 x Pair of 8-ft adjustable Ratchet Clip Hanger Rope: hold up to 150 lbs; 24-hour Plug-in Mechanical Timer: 15 minutes increments
  • 6-inch Air Cooled Hood Reflector: up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard...
  • CAUTION: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...
Bestseller No. 11
iPower GLSETX600DHCT6 Horticulture 600 Watt HPS Digital Dimmable Ballast Grow Light System Kits Cool...
  • 600W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable...
  • 1 x 600W Super HPS Bulb; Color Temperature: 2100K; Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth...
  • 1 x Pair of 8-ft adjustable Ratchet Clip Hanger Rope: hold up to 150 lbs; 24-hour Plug-in Mechanical Timer: 15 minutes increments
  • 6-inch Cool Tube Reflector with Add-on Wing: Up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and...
  • Caution: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...
Bestseller No. 12
iPower 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture Wing Reflector Hood...
  • 400W digital dimmable electronic ballast: 100V~265V with 120V working voltage.Dimmable options: 50%, 75%, 100%. 8 Feet heavy-duty power cord included,...
  • 400W HPS bulb: Color temperature 2100K. Optimized red & orange spectrum and high PAR (photosynthetic active radiation) to stimulate flower growth and...
  • 19-inch wing reflector: Up to 4' x 4' light coverage, built-in 15 feet heavy-duty lamp cord with E39 ceramic mogul socket and standard hydroponic...
  • 1 pair of 8-ft adjustable ratchet clip hanger rope: Hold up to 150 lbs
  • Caution: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...
Bestseller No. 13
iPower 600 Watt HPS MH Digital Dimmable Grow Light System Kits Wing Reflector Set with Timer
  • 600W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable...
  • 1 x 600W Super HPS Bulb 2100K; 1 x 600W MH Bulb 6000K; Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant...
  • 1 x Pair of 8-ft adjustable Ratchet Clip Hanger Rope: hold up to 150 lbs; 24-hour Plug-in Mechanical Timer: 15 minutes increments
  • 19-inch Wing Reflector: up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard Hydroponic...
  • CAUTION: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...
Bestseller No. 14
iPower GLBLST400DV1 400 Watt Digital Dimmable Electronic Ballast for Horticulture and Hydroponics...
  • automatically converts between hps and mh light bulbs by micro-chip programming. fast lamp ignition by lighting up the bulbs within 1-2 mins max....
  • ultra-safety: advanced protection against short circuit, power surge, ignition failure, overheat and end-of bulb-life. built-in cooling fan and...
  • Support dual voltage input 120V/240V. Dimmable options: 50%, 75%, 100%. Watt option: 150w/250w/400w/Super lumens (110%)
  • high frequency output results in less power loss, 30% more lumens than magnetic ballasts for improved yields
  • package included: 1 x 400 watt digital dimmable electronic ballast, 1 x heavy-duty power cord, 1 x operating manual
Bestseller No. 15
iPower GLSETX400DHWING20T 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture...
  • 19-inch wing reflector: Up to 4' x 4' light coverage, built-in 15 feet heavy-duty lamp cord with E39 ceramic mogul socket and standard hydroponic...
  • 400W digital dimmable electronic ballast: Support dual voltage Input 120V/240V; Dimmable options: 50%, 75%, 100%
  • 400 watt 2100K HPS bulb: Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth and soonest flourish
  • Rope and timer: 1 x pair of 8-ft adjustable ratchet clip hanger rope, Hold up to 150 lbs; 24-hour plug-in mechanical timer, 15 minutes increments
  • Caution: this system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...
Bestseller No. 16
Yescom 400W HPS MH Electronic Dimmable Ballast for Grow Light Bulb Lamp w/Cooling Fan
  • [Compatibility]: 9 13/16" x 4 5/16" x 2 3/4" 400W electronic ballast is designed for connecting with light to maintain the working current and help...
  • [Powerful Performance]: Ballast features power output options of 150W,250W,400W and super lumens for ensuring the light to adjust the brightness and...
  • [High Efficiency & Stable]: Compared with magnetic ballasts, electronic ballasts feature energy-saving design to reduce input power more than 10% and...
  • [Durable & Cooling Design]: Strong aluminum construction for providing sturdiness, rust & corrosion resistance, can be used for a long time; cooling...
  • [Safe Protection]: Overheating protection for stopping working when the operation temperature reaches to the maximum value, open/short circuit...
Bestseller No. 17
iPower 400W Digital Dimmable Electronic Ballast Hydroponic HPS MH Grow Light and 200pcs 8" Cable Tie
  • Operating Voltage Range: 100V~265V with 120V working voltage; Dimmable Options: 50%, 75%, 100%
  • Compatible with HPS and MH light bulbs by micro-chip programming; Free heavy-duty power cord included
  • Ultra-safety: advanced protection against short circuit, power Surge, ignition failure, Overheat, end-of bulb-life
  • Optimal heat dissipation: built-in cooling fan and graduating fin designed to minimize ballast temperature
  • Package Includes: 1*400W Ballast, 1*200pcs Cable Tie of 8"
Bestseller No. 18
iPower GLBLST400DX2 2 Pack Horticulture 400 Watt Digital Dimmable Electronic Ballast for Hydroponics...
  • Operating voltage range: support dual voltage input 120V/240V. Dimmable options: 50%, 75%, 100%. Watt option: 150w/250w/400w/Super lumens (110%)
  • Ultra-safety: advanced protection against short circuit, power surge, ignition failure, overheat, end-of bulb-life. Built-in cooling fan and...
  • High frequency output results in less power loss: 30% more lumens than magnetic ballasts for improved yields
  • Specification: compatible with HPS and MH light bulbs by micro-chip programming, 8FT heavy-duty power cord included, fast lamp ignition by lighting up...
  • Package included: 2 x 400 watt digital dimmable electronic ballast, 2 x heavy-duty power cord, 2 x operating manual
Bestseller No. 19
iPower GLBLST400DX4 4 Pack Horticulture 400 Watt Digital Dimmable Electronic Ballast for Hydroponics...
  • Operating voltage range: support dual voltage input 120V/240V. Dimmable options: 50%, 75%, 100%. Watt option: 150w / 250w / 400w / Super lumens (110%)
  • Ultra-safety: advanced protection against short circuit, power surge, ignition failure, overheat, end-of bulb-life. Built-in cooling fan and...
  • High frequency output results in less power loss: 30% more lumens than magnetic ballasts for improved yields
  • Specification: compatible with HPS and MH light bulbs by micro-chip programming, 8FT heavy-duty power cord included, fast lamp ignition by lighting up...
  • Package included: 4 x 400 watt digital dimmable electronic ballast, 4 x heavy-duty power cord, 4 x operating manual
Bestseller No. 20
iPower GLSETX400DHMCT8XXL Horticulture 400 Watt HPS MH Bulb Digital Dimmable Ballast Grow Light...
  • 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable...
  • 1 x 400W super HPS bulb 2100K; 1 x 400W MH bulb 6000K; optimized Spectrum and high PAR (photosynthetic active radiation) to promote healthy plant...
  • 1 x pair of 8-ft adjustable ratchet clip hanger rope: hold up to 150 lbs. ; 24-hour plug-in mechanical timer: 15 minutes increments
  • Air duct: 8'' Dimension: 36 x 32 x 10 in; up to 6' X 6' Light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and...
  • Caution: this system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...

Having trouble finding a great 400 watt hps digital ballast?

This problem is well understood by us because we have gone through the entire 400 watt hps digital ballast research process ourselves, which is why we have put together a comprehensive list of the best 400 watt hps digital ballasts available in the market today.

After hours of searching and using all the models on the market, we have found the best 400 watt hps digital ballast for 2023. See our ranking below!

How Do You Buy The Best 400 Watt Hps Digital Ballast?

Do you get stressed out thinking about shopping for a great 400 watt hps digital ballast? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 400 watt hps digital ballast, which is why we have assembled a comprehensive list of the greatest 400 watt hps digital ballast available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 400 watt hps digital ballast that you consider buying. Your questions might include the following:

  • Is it worth buying an 400 watt hps digital ballast?
  • What benefits are there with buying an 400 watt hps digital ballast?
  • What factors deserve consideration when shopping for an effective 400 watt hps digital ballast?
  • Why is it crucial to invest in any 400 watt hps digital ballast, much less the best one?
  • Which 400 watt hps digital ballast are good in the current market?
  • Where can you find information like this about 400 watt hps digital ballast?

We’re convinced that you likely have far more questions than just these regarding 400 watt hps digital ballast, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 400 watt hps digital ballast, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 400 watt hps digital ballast. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 400 watt hps digital ballast buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 400 watt hps digital ballast currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 400 watt hps digital ballast has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 400 watt hps digital ballast?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 400 watt hps digital ballast.
  5. Customer Ratings: Number ratings grade 400 watt hps digital ballast objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 400 watt hps digital ballast.
  7. Product Quality: You don’t always get what you pay for with an 400 watt hps digital ballast, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 400 watt hps digital ballast is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 400 watt hps digital ballast information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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FAQ:

Q: What size tent for a 400W HPS?

A: the tent would be best suited to a 6″ imo but as your only going to be using a 400w a 5″ would do you (the 6″ leaves room to upgrade your lights though, that tent is good for 1000w if you wish), 4″ aint worth pish in that sized tent imo

Q: How many lumens does a 400 watt HPS produce?

A: How many lumens does a 400 watt HPS produce? 400-watt HPS bulbs provide about 44000 and 50000 lumens of light. 600-watt HPS bulbs provide 90000 and 96000 lumens of light. 750-watt HPS bulbs provide about 110000 lumens of light. How many amps does a 400 watt HPS light use? Watts/ Volts = Amps. For example your 2x 600 watts wouldbe 1200 watts.

Q: What size wire to use on 400 watt light bulb?

A: Wire gauge or size can be found printed on electric cables. You will normally see number series labels such as 12-3 and 14-2: the first number is the wire gauge. Other factors that affect wire size are the length and wire type. If your wiring circuit length is in excess of 50 feet, you will need a larger gauge wire.

Q: How hot does a 400 watt metal halide lamp Get?

A: How hot does a 400 watt metal halide bulb get? When fully lit, the Metal Halide lamp will reach a temperature of 2000 degrees Fahrenheit and operates at a vapour pressure between 70 and 90 pounds per square inch.