NF-20-277

The NOVA NF-20-277 is a high-performance slide dimmer designed specifically for single pole applications of 277-volt fluorescent lighting systems. This dimmer provides precise voltage control, ensuring optimal light output and energy efficiency for your fluorescent lamps.

The slide dimmer design offers intuitive and easy operation. By sliding the control knob along the dimmer switch, you can smoothly adjust the light level to your desired intensity. With a dimming range of 0-100%, this dimmer provides ample control over your lighting environment.

This NOVA NF-20-277 slide dimmer is compatible with various types of 277-volt fluorescent lamps, including Magnetic and Electronic Ballasts, making it a versatile solution for a wide range of commercial and industrial applications. It's important to note that this dimmer is not suitable for use with LED or halogen lamps.

Featuring an attractive, compact design, the NOVA NF-20-277 slide dimmer is a great choice for applications where aesthetics matter. The dimmer switch has a sleek, modern appearance and is easy to install, with standard mounting dimensions and a snap-in design for easy wiring.

This dimmer is also built to last, with a durable construction that can withstand the demands of commercial and industrial environments. It's engineered with high-quality components to provide reliable performance and long-lasting durability.

In summary, the NOVA NF-20-277 slide dimmer is a powerful and versatile solution for controlling the light levels in your 277-volt fluorescent lighting systems. With its easy-to-use slide dimmer design, compatibility with various types of fluorescent lamps, and durable construction, this dimmer is an excellent choice for a wide range of commercial and industrial applications.

The NOVA NF-277 Slide Dimmer, single pole, is a 277V fluorescent dimmer designed for commercial and industrial applications. This dimmer can be a suitable option for those looking to control the light intensity of their fluorescent bulbs. Here are some pros and cons that might help in making an informed decision:

1. Voltage compatibility: The dimmer is designed for 277V, making it ideal for commercial and industrial applications where higher voltage systems are common.

2. Slide Dimmer Design: The slide dimmer design offers a simple, intuitive way to control light intensity. It also allows for quick adjustments.

3. Energy Savings: Dimming the lights can lead to significant energy savings, which is a major advantage for commercial and industrial users.

4. Fits standard 1-inch square electrical boxes: This makes installation easier and more versatile.

5. UL Listed: The dimmer is UL listed, ensuring it meets certain safety and performance standards.

1. Limited Compatibility: This dimmer is only suitable for single-pole installations and 277V fluorescent bulbs. It may not be compatible with LED bulbs or other types of lighting systems.

2. Size: The dimmer is larger than some other options on the market, which could make it less suitable for space-constrained installations.

3. Potential for Humming: Some users have reported a humming noise when using this dimmer with certain bulbs. This can be mitigated by using compatible bulbs or adding a ballast bypass capacitor.

In conclusion, the NOVA NF-277 Slide Dimmer, single pole, is a reliable and functional option for controlling the light intensity of commercial and industrial 277V fluorescent bulbs. Its slide dimmer design offers an intuitive way to make adjustments, and its energy-saving capabilities can lead to significant cost savings. However, its limited compatibility and size may be drawbacks for some users. Ultimately, if your lighting system meets the requirements, this dimmer could be a worthwhile investment for your commercial or industrial space.

Details:

Nova NF-20-277 slide dimmer, single pole, fluorescent, 277 volt manufactured by Nova. Special instructions. A new, unused item with no signs of wear. 2-year MRI shield protection plan included.

The product must be the original item shipped, with matching serial numbers if applicable. The item may be missing the original packaging. Nova NF-20-277 slide dimmer, single pole, fluorescent, 277 volt, 60 Hz, 4.5 amp. Manufacturer part number: NF-20-277.

Most items are in stock when they listed.

specifications faclighting:

• brand: Nova
• mpn: Nf-20-277
• part type: Dimmer Pole

shipping faclighting:

• service: ups ground, ups next day air
• class: standard, one-day
• transit: 3-8 days
• type: calculated
• carrier: ups

general faclighting:

• category: Business & Industrial > Maintenance Safety > Facility > Lights Lighting

seller faclighting:

• city: mount sterling, kentucky
• # reviews: 24985
• rating: 99.8%

returns faclighting:

• method: money back
• paid by: buyer
• policy: returns accepted
• time: 30 days

payments faclighting:

• other
• wallet: apple-pay
• credit card: discover

offer faclighting:

• options: ship-to-home
• started: may 4, 2026
• availability: in stock
• best offers: true
• in stock #: 5
• sold #: 9
• prices: $22.50–$200.00
• item condition:
  • Used
  • New
  • Open box
  • New – Open box

Grouped With:

• NTF-10-WH: DIMMER POLE, Lutron
• NFTU-5A-GR: DIMMER, Lutron
• NF-10-277-WH: DIMMER, Lutron
• NF-10-IV: DIMMER, Lutron
• 784276071932: DIMMER BALLAST DRIVER CONTROL, Lutron
• NTLV-1000-277-BL: DIMMER, Lutron
• NTF-103P-WH: DIMMER, Lutron
• NTF-103-WH: DIMMER POLE, Lutron
• NF-20-WH: DIMMER POLE ROTARY SWITCH BOX, Lutron
• NF-30-IV: DIMMER, Lutron
• N-1500: DIMMER SWITCH, Lutron