Negative / Common Busbar 150A | M8 & M6 Studs + M4 Screws, 12–48V DC | 2-Pack
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SKU: 14:200004889#2PCS 6XM6
Only 2 in stock
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Negative / common busbar, 150 A, 12–48 V DC — sold in pairs. Tin-plated copper bus on an insulated base with stainless studs and screw terminals in six stud/screw layouts (all-M8, all-M6, or mixed M8 + M4 and M6 + M4) so main negatives and branch returns land on one bar. Class cross for the Blue Sea Systems 2300-series common busbar and DualBus.
| Options | 2× 6×M6 · 2× 7×M6 · 2× 5×M8 · 2× 6×M8 · 2× 4×M8 + 6×M4 · 2× 2×M6 + 12×M4 |
|---|---|
| Continuous rating | 150 A DC |
| Voltage | 12–48 V DC |
| Terminals | M8 (5/16") and M6 (1/4") studs; M4 (#8) screws for 16–10 AWG |
| Bus / base | Tin-plated copper / flame-retardant thermoplastic |
| Quantity | 2 busbars per pack |
Cross-reference
| Manufacturer | Part No. | Notes |
|---|---|---|
| Blue Sea Systems | 2300 / 2301 class | Common 150A BusBar, four 1/4" studs with #8 screws — same function |
| Blue Sea Systems | DualBus 2701-class | Mixed stud + screw negative distribution |
Class crosses by layout and function; confirm stud sizes for the application.
Where it's used
- Negative distribution downstream of the battery-monitor shunt
- Branch-circuit returns for lighting, pumps, and electronics on vans, RVs, and boats
- Positive distribution up to 150 A where each feed is separately fused
How to install
Mount flat and dry; land lugs directly on the bus face, four per stud maximum; torque M8 to 50–60 in-lb, M6 to 25–35 in-lb, M4 screws to 15 in-lb; if used as positive, fuse every feed and fit a cover. Guide: DC Power Distribution for 12/24/48 V Systems.
Ships from Oxnard, CA. Volume and trade pricing through the trade desk.
Why Pros Buy Direct from Conversions Tech
Engineered in the USA. Our U.S.-based engineering team designs and specifies our core product lines, and every product we carry — designed in-house or built to our exact specifications by certified partner factories — is quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
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