Power Distribution Block, 310 Max. Amps, Number of Poles: 1

  • Item # 3XH63
  • My Part #
  • Mfr. Model # 16370-1
  • Catalog Page # 387
  • UNSPSC # 39121410
Power Distribution Block, 310 Max. Amps, Number of Poles: 1 close

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.

CAD Downloads

Web Price $56.50 / each
Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 0.6 lbs.
Country of Origin Mexico 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

This efficient aluminum block splices cables or splits primary power into a wide range of secondary circuits and provides a fixed tap-off point. It accepts aluminum or copper wire, and saves splicing and taping time for contractor rework.

View More

Technical Specs

  • Item Power Distribution Block
  • Max. Amps 310
  • Number of Poles 1
  • Primary Connections/Pole 1
  • Primary Wire Range (AWG) 6 AWG to 350 MCM
  • Secondary Connection/Pole 12
  • Secondary Wire Range (AWG) 14 to 4 AWG CU, 12 to 4 AWG AL
  • Voltage Rating 600VAC/DC
  • Power Distribution Block Design Open
  • Length 4.00"
  • Depth 3.32"
  • Width 1.98"
  • Standards UL 1059, CSA Class 6228-01
How can we improve our Technical Specifications?

Compliance and Restrictions


Related Products

Customer Reviews

Power Distribution Block, 310 Max. Amps, Primary Connections/Pole: 1 is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from This is a good product. You get what you see. 1 large conductor in and 12 smaller conductors out. The value is in the ballpark if not on the lower end of the range.
Date published: 2015-01-29
  • y_2018, m_10, d_23, h_15
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.8
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_1
  • loc_en_US, sid_3XH63, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=FEATURED, direction=DESCENDING)]
  • clientName_grainger

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.