Skip Content

3 Phase Surge Protection Device, 277/480VAC Wye close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
Megaphone How can we improve our Product Images?

3 Phase Surge Protection Device, 277/480VAC Wye

Price $1,067.00 / each

Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Confirm ZIP Code to determine availability.


Invalid Zip Code


Ship to: (Change)


Invalid Zip Code

  • Item # 18K866
  • Mfr. Model # TDX200C277/480
  • UNSPSC # 39121610
  • Catalog Page # 275
  • Shipping Weight 4.8 lbs.
Country of Origin China Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

Surge Protection Devices (SPDs)
• NEMA rated 4 Type 1 or 2
Compact models can be directly mounted to panel and installed in small spaces. LED status monitoring. Modular models allow individual modules and fuses to be field-replaceable. Built-in disconnect and fusing eliminates the need for external fusing.

View More

Technical Specs

  • Item Surge Protection Device
  • Phase 3
  • Voltage 277/480VAC Wye
  • Max. Continuing Operating Voltage 320/550VAC
  • Voltage Protection Rating 1000V (L-N), 1200V (L-G, N-G), 1800V (L-L)
  • Nominal Discharge Current 80kA
  • Modes of Protection L-G, L-L, L-N, N-G
  • Filtering / Nonfiltering Nonfiltering
  • Modular / Nonmodular Modular
  • Mounting Style Flush/Surface
  • Enclosure Material Aluminum
  • Enclosure NEMA Rating 4
  • IP Rating 65
  • Length 11.00"
  • Width 3.31"
  • Depth 3.07"
  • Lightning Impulse Current 25kA
  • Max. Surge Current Per Phase 200kA
  • Short Circuit Current Rating 200kA
  • Number of Wires 4 Wires + Ground
  • Standards CE, IEC 61643-1, UL 1449 Edition 3 Listed Type 1/2
  • Green Certification or Other Recognition RoHS Compliant
Megaphone How can we improve our Technical Specifications?

Compliance and Restrictions

  • Green Product - This item has been designated by the manufacturer as an environmentally preferable product (EPP) because this item is RoHS Compliant.

Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.