Sea-Dog 426671-1
10-terminal shared-bus arrangement for routing positive or negative connections; verify protection and wiring separately.
Identify Sea-Dog 426671 and 426710 Marine Busbars
Two Sea-Dog busbars in the RV parts catalog can seem nearly the same when viewed from above, yet they provide different connection arrangements. The 426671-1 is a 10-terminal brass/Bakelite distribution bar; 426710-1 has five smaller branch terminals and two main-wire studs. This guide helps identify the correct original before rebuilding a marine DC connection.
Identify the busbar's connection layout
The table lists exact Sea-Dog part numbers and manufacturer specifications. On narrow screens, scroll the table sideways to see every column.
| MPN | Connection layout | Construction | Published rating | Manufacturer A × B |
|---|---|---|---|---|
| 426671-1 | 10 shared-bus terminals | Stamped brass / molded Bakelite | Not specified on this model's manufacturer chart | 5¾ × 1¼ in |
| 426710-1 | 5 × #8-32 plus 2 × #10-24 main studs | Tin-plated brass / ABS | 100A maximum; 48V DC maximum | 4 3/16 × ⅞ in |
A busbar is not a fuse block. Both products join electrical connections without supplying overcurrent protection. Sea-Dog's 426710-1 includes five #8-32 branch terminals and two #10-24 main studs. The manufacturer's page confirms a 100A/48V DC maximum for this model; it does not publish an equivalent current rating for 426671-1 in the compared chart, so that rating is not assumed.
Manufacturer dimensions, in order A/B/C/D: 426671-1 is 5¾ / 1¼ / 1 1/16 / 5 3/16 inches; 426710-1 is 4 3/16 / ⅞ / 1⅜ / 3 7/16 inches. The letter labels refer to Sea-Dog's original drawing, not automatically the opening size. The 426671-1 calls for two #10 flat-head screws; the 426710-1 calls for two #10 round-head screws. Fasteners are not included.
See the manufacturer technical drawings: Sea-Dog 426710 terminal-block dimensions and Sea-Dog 426671 busbar drawing.
Inspect the removed part before replacement
- Count the original terminal positions and look for the main-wire studs: the 426710-1 has a distinct power-input arrangement.
- Compare the manufacturer A–D diagram dimensions and overall mounting footprint before drilling any holes.
- Confirm the stud thread size and wire termination: #8-32 branch screws and #10-24 main studs are specific to 426710-1.
- Determine the actual system voltage and circuit-protection design; neither busbar is a fuse holder.
- Inspect for corrosion, adequate terminal covers and secure mounting before restoring the DC supply.
Exact catalog part numbers
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Sea-Dog 426710-1
Five #8-32 branch terminals and two #10-24 main power studs, with a documented 100A/48V DC maximum.
Related marine electrical references
For other high-current connection arrangements, see the Blue Sea stud and PowerBar identification guide. For circuit protection near a distribution point, compare Sea-Dog AGC fuse holders.
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