2781 Series Standoff Electrical Insulator Specifications
2-1/2" Diameter Round Body
| Part # | Height (in) | Voltage |
Threads (Size x Depth) |
Box Weight (lbs) |
Box Qty |
| AR2781-11A | 2-1/2 | 3,200 | 5/8-11 x 5/8 | 33 | 48 |
| AR2781-11B | 2-3/4 | 3,600 | 5/8-11 x 5/8 | 34 | 48 |
| AR2781-11C | 3 | 3,600 | 5/8-11 x 5/8 | 35 | 48 |
| AR2781-11S | 2-5/8 | 3,400 | 5/8-11 x 5/8 | 30 | 48 |
| AR2781-13A | 2-1/2 | 3,200 | 1/2-13 x 9/16 | 33 | 48 |
| AR2781-13B | 2-3/4 | 3,600 | 1/2-13 x 9/16 | 34 | 48 |
| AR2781-13C | 3 | 3,600 | 1/2-13 x 9/16 | 35 | 48 |
| AR2781-13S | 2-5/8 | 3,400 | 1/2-13 x 9/16 | 30 | 48 |
| AR2781-16A | 2-1/2 | 3,200 | 3/8-16 x 3/4 | 33 | 48 |
| AR2781-16B | 2-3/4 | 3,600 | 3/8-16 x 3/4 | 34 | 48 |
| AR2781-16C | 3 | 3,600 | 3/8-16 x 3/4 | 35 | 48 |
| AR2781-16D ¹ | 3-1/4 | 4,500 | 3/8-16 x 3/4 | 36 | 48 |
| AR2781-16E | 3-1/2 | 5,000 | 3/8-16 x 3/4 | 33 | 36 |
| AR2781-16F ² | 3-3/4 | 5,000 | 3/8-16 x 3/4 | 20 | 30 |
| AR2781-16S | 2-5/8 | 3,400 | 3/8-16 x 3/4 | 30 | 48 |
| AR2781-8ME | 3-1/2 | 5,000 | M8 x 3/8 | 33 | 36 |
- $50 Repack charge for broken box quantities.
- ¹ AR2781-16D has a body diameter of 2-3/4 inches
- ² AR2781-16F has a body diameter of 1-15/16 inches
- Orders can be taken in multiple releases over 6 months max
- Non-conforming material must be reported within 60 days of invoice date
- Standard color is red; gray also available with 5 box minimum order, replace "AR" in part number with "NT"
- Part numbers with * are not yet listed under UL File # E79967
Products > Standoff Insulators > 2781 Series
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