Sea-Dog 426671-1
10-terminal shared-bus arrangement for routing positive or negative connections; verify protection and wiring separately.
Sea-Dog 426671 vs 426710 Marine Busbars: Terminal & Size Guide
For a marine DC wiring project, a busbar gathers multiple positive or negative conductors at an organized connection point. Sea-Dog 426671-1 and 426710-1 use different layouts and sizes. The first is a 10-terminal non-fused busbar; the second has five branch screws plus two main studs, with a manufacturer-listed maximum of 100A at 48V DC.
Compare Sea-Dog 426671 and 426710
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.
How to check the correct replacement
- Decide whether the installation requires a 10-terminal shared bus or a five-branch block with two main studs.
- Use the manufacturer's A–D drawing to compare length, width, height and mounting screw spacing.
- Use correctly terminated marine-grade wire and match each screw or stud to its intended lug.
- Keep positive and negative distribution separate unless the system is specifically designed otherwise, and install appropriate overcurrent protection.
- Do not apply the 426710-1's 100A/48V DC rating to 426671-1 without a verified rating for that part.
Find matching Sea-Dog hardware
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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 our BEP Pro Installer busbar size comparison. For circuit protection near a distribution point, compare Sea-Dog AGC fuse-holder configurations.
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