Name: Tuff Terrain 250A 4 Terminal Busbar - Negative
Brand: Tuff Terrain
SKU: TT-BB006
Price: 40.0 AUD
Availability: InStock

Tuff Terrain 250A 4 Terminal Busbar - Negative

$40.00

Shipping calculated at checkout.

Aussie Designed

In stock, ready to ship
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Quantity

• 1 x Tuff Terrain 250A 4 Terminal Negative Busbar (M8)

• Push-on clear protective cover

• Integrated insulated Polypropylene/Nylon base

• 250A negative busbar for DC setups

• Handles up to 48V and 300A max

• 4 x M8 studs suit heavy cabling

• Nickel-plated brass plate improves conductivity

• 304 stainless studs resist rust and wear

• Insulated base isolates from chassis

• Clear cover guards wiring and hardware

• Compact 168mm body suits tight spaces

The Tuff Terrain 250A Negative Busbar pulls all your return wiring into one neat block, which helps keep 4x4, caravan, and boat setups under control. Four M8 studs handle the bigger gear like inverters or winches, meaning you shift bulk cables off the battery post. The smaller M4 screws suit lighter loads, to keep lighting and accessory earths grouped where you can see them.

304 stainless studs shrug off damp and salt spray, which keeps threads clean trip after trip. The nickel-plated brass bridge spreads current across every terminal, meaning less voltage drop when everything kicks in at once. The Polypropylene/Nylon base isolates the busbar from bodywork to cut down stray shorts. The clear push-on cover caps the whole lot, to keep tools and loose gear away from live connections when you load up. Terms and conditions apply.

Q: Can this busbar be used on 12V and 24V systems?

A: Yes, the busbar suits 12V, 24V, and other DC systems up to 48V. The 48V max rating sets the upper system voltage limit for the gear. Installers match cable size and fusing to the current draw of the connected equipment. Always check your system design against the 250A continuous and 300A max rating before use.

Q: Is the busbar suitable for marine environments?

A: Yes, the busbar suits marine and other damp environments. The 304 stainless steel studs resist rust in salty air and bilge spaces. The nickel-plated brass bridge limits oxidisation on the current-carrying path. The insulated base helps isolate the bar from metal hulls or frames, but installers still follow marine wiring standards.

Q: What cable lugs fit the main terminals?

A: The main posts accept lugs with M8 ring terminals. The M8 studs match common heavy-duty cable lugs used in 4x4, caravan, and marine wiring. Installers choose crimp lugs rated for the cable size and current. Secure each lug with the supplied nuts and washers to maintain a tight, low-resistance joint.

Q: How much space do I need to mount the busbar?

A: The busbar measures 168 × 35 × 50mm overall. The compact footprint fits along battery trays, bulkheads, or electrical panels. Allow extra room for cable bend radius and for the clear cover above the studs. Pre-mark and drill mounting holes based on the base feet for a firm installation.

Q: Is this busbar CE or RoHS compliant?

A: The listing does not state specific CE or RoHS approvals. Many low-voltage DC components can form part of CE or RoHS compliant systems when selected correctly. Installers should confirm compliance requirements for their project or region. Check with the manufacturer or your certifier if formal documentation is needed. Terms and conditions apply.