Digital Greenhouse Dimmable 315W CMH Fixture



The Digital Greenhouse CMH 315 watt fixture is a top-quality, cutting-edge grow light. The ballast is a DIMMABLE Advanced High-Efficiency Low Frequency-Square Wave ballast - optimized for full output of all 315 watt CMH bulbs. The Digital Greenhouse CMH 315 watt ballast offers exclusive dimmable technology that allows growers to operate the system at different lamp outputs including 50%, 75%, 100% or 110% "turbo output"! The system includes an ultra-reflective professional grade reflector system. Additionally, the Digital Greenhouse ballast is ETL listed, which means it has been fully tested by the certifying agency for safety and reliability.

  • Just plug it in and grow, the Digital Greenhouse All-in-one system is fully assembled.
  • Sold without a bulb/lamp. Please see our complete 315 watt ceramic metal halide system for fixture & bulb packages.

More Info

In stock




CMH 315W Turbo Dimmable Digital Greenhouse Grow Light Fixture

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The Digital Greenhouse CMH 315W Grow Light provides high-performance CMH lighting for indoor gardening with the flexibility of dimmable control. High-efficiency/low-frequency square wave ballast technology optimizes output for any PGZ18 315 watt CMH bulb. Exclusive dimmable technology allows the Digital Greenhouse CMH 315 watt system to run lamps at different outputs; 50%, 75%, 100% or 110% “Turbo output”! Features integrated hood and an ETL listed ballast for professional-grade performance. Grow with confidence, grow with Digital Greenhouse – a USA brand and grow light technology leader since 2005!

(1) Digital Greenhouse 315w integrated fixture
(1) Pair of heavy duty 1/8″ rope hangers with metal hooks
(1) 120V power cord with grounded plug (NEMA 5-15)

* No bulb is included in this offer. Please see our complete 315 Watt Ceramic Metal Halide system for fixture & bulb packages.

*Offer valid online only. Price at HTG Supply retail locations may vary.

System Information


  • Input Voltage: 120-240v, 50/60hz
  • Amperage: 3.07@120v, 1.53@240v
  • Max Watts: 355 (110% setting)
  • Power Factor: 98%+
  • THD: < 10% (ultra-low THD)
  • Socket type: PGZ18, 4K socket (standard 315w CMH lamps)


  • Measures (max): 17.875″L x 9.875″W x 10″H
  • Dimmable Settings: 50%, 75%, 100%, 110%
  • Multivolt – operates at 120-240v
  • Includes 10′ power cord with NEMA 5-15 grounded plug
  • For use with 315w CMH bulbs only (not included)
  • ETL listed for safety and reliability

– Raise and lower light fixture
– Locking mechanism
– 1/8″ rope that supports up to 75 lbs. ea. (150 lbs total)
– High-quality stainless steel latches
– Perfect for hanging reflectors, light fixtures, carbon filters and ventilation equipment



Weight 16 lbs
Product Category

Grow Lights


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