Description
The Type B split bolt clamp from Dulmison is a brass line tap for connecting two conductors within the listed size limits. It is made from hard-drawn brass with a natural brass finish. Five sizes are available on this page: B22, B24, B25, B26 and B28.
Type B split bolt size guide
Each clamp accommodates two conductors up to the maximum size shown for that model. Check the conductor area, overall diameter and slot width together when choosing a part.
| Part / ordering SKU | Maximum conductor area | Maximum overall diameter | Slot width |
|---|---|---|---|
| B22 / DULB22 | 16 mm² | 5.10 mm | 5.30 mm |
| B24 / DULB24 | 35 mm² | 7.65 mm | 8.30 mm |
| B25 / DULB25 | 70 mm² | 10.70 mm | 10.90 mm |
| B26 / DULB26 | 95 mm² | 12.60 mm | 12.90 mm |
| B28 / DULB28 | 185 mm² | 17.64 mm | 18.50 mm |
Features and finish
- Hard-drawn brass construction.
- Natural brass finish on the listed B-series parts.
- Split bolt and nut arrangement.
- Five sizes with clear maximum conductor limits.
The slot receives the conductors, while the nut forms part of the clamping assembly. First, identify the size of both conductors. Then select the model that suits the larger size and check that the full connection fits the intended use.
Also compare the part suffix with your project schedule. If a tinned finish or another version is specified, contact us to check the required item before ordering.
Related service tee connector
The STC110-3 service tee connector lists B24 as its mating line tap. Use DULB24 when selecting that clamp from the ordering table. However, check the complete connection arrangement and the quantity required for the job.
Catalogue details and ordering
For the size table, see page 2-7 of the Dulmison catalogue hosted by Engineering Supplies. The range also appears on printed page 119 of the Engineering Supplies catalogue.
Finally, choose the required part number and quantity in the product table above. For help checking a line tap or matching an existing part, call (08) 9258 8444 or email sales@engsup.com.au with the details of both conductors.
