Description
OEX ACX3211 150A Distribution Block 4x M8 Stainless Steel Terminals Red Tin Plated Copper Bus Clear Polycarbonate Cover 48V DC
The OEX ACX3211 is a 150A distribution block with four M8 stainless steel stud terminals in red, providing a clean, low-resistance positive power distribution point from a single input to multiple output circuits. Tin plated copper bus, nylon base with clear polycarbonate cover, 150A continuous rating and 48V DC maximum operating voltage. The red colour identifies this as the positive distribution rail, particularly useful when paired with the black ACX3210 for a matched positive and negative distribution solution. ISO 9001 certified manufacturing with in-house testing at OEX's Brisbane facility. Covered by a one year warranty.
Product overview
The ACX3211 is the red (positive) counterpart to the black ACX3210 distribution block, sharing identical specifications and differing only in colour. Red colour coding provides instant identification of the positive distribution point in any electrical installation, reducing wiring errors and simplifying troubleshooting particularly valuable when both the ACX3211 and ACX3210 are mounted together as a matched positive and negative distribution pair.
The 150A continuous rating suits large amplifier installations, multiple accessory circuits, inverter power distribution, DC-DC charger outputs and high-demand 4WD or caravan electrical setups. Four M8 stainless steel stud terminals accept heavy gauge cable lugs across a range of cable sizes. Stainless steel terminals and nuts resist corrosion in marine, off-road and industrial environments. The tin plated copper bus provides good conductivity and minimal resistance across all four terminals. The clear polycarbonate cover is removable during installation for cable termination and is refitted afterwards to protect terminals from accidental short circuits, debris and moisture while keeping connections visible for inspection. The nylon base provides electrical isolation from mounting surfaces.
Features and benefits
150A continuous rating: Suited to large amplifier installations, inverter power distribution, DC-DC charger outputs and multi-accessory 4WD and caravan electrical setups.
4x M8 stainless steel stud terminals: Four independent terminals accepting heavy gauge cable lugs. Stainless steel hardware resists corrosion in marine, off-road and industrial environments.
Red colour for positive rail identification: Instant identification as the positive distribution point. Pairs with the black ACX3210 for a matched, colour-coded positive and negative distribution solution.
Tin plated copper bus: Low resistance conductivity across all four terminals, preventing heat buildup at connection points.
Nylon base with clear polycarbonate cover: Non-conductive nylon base for electrical isolation from mounting surfaces. Clear cover protects terminals from short circuits, debris and moisture while keeping connections visible. Removable during installation.
48V DC maximum operating voltage: Compatible with 12V, 24V and 48V DC electrical systems.
ISO 9001 certified manufacturing: In-house product testing at OEX's Brisbane facility to standards developed for Australian and New Zealand conditions.
One year warranty: Covered by a one year OEX warranty.
Technical specs
| Specification |
Detail |
| SKU |
ACX3211 |
| Brand |
OEX |
| Type |
Distribution Block |
| Colour |
Red |
| Maximum Continuous Current |
150A |
| Maximum Operating Voltage |
48V DC |
| Number of Terminals |
4 |
| Terminal Stud Size |
M8 |
| Terminal Material |
Stainless steel |
| Hardware |
Stainless steel nuts |
| Bus Bar Material |
Tin plated copper |
| Base Material |
Nylon |
| Cover |
Clear polycarbonate (removable) |
| Manufacturing Standard |
ISO 9001 certified |
| Testing Location |
In-house, Brisbane, Australia |
| Pack Quantity |
1 |
| Warranty |
One year |
| Sold As |
Single unit |
Goes well with
OEX ACX3210, 150A Distribution Block, 4x M8 Terminals, Black (matching negative/earth block)
Frequently asked questions
What is the maximum continuous current rating? The ACX3211 is rated to 150A continuous current, suitable for large amplifier systems, inverters, DC-DC chargers and multi-accessory 4WD and caravan power distribution circuits.
What cable sizes are compatible with the M8 terminal studs? The M8 stud terminals accept cable lugs used with 4AWG, 2AWG, 1AWG and 0AWG wire the sizes most commonly used in 150A automotive and marine power distribution. Always use correctly sized, properly crimped compression lugs for secure, low-resistance connections.
Can the ACX3211 be used in a 24V or 48V system? Yes. The ACX3211 is rated to 48V DC maximum operating voltage, making it compatible with 12V, 24V and 48V systems across automotive, commercial vehicle, caravan and marine applications.
Why is the ACX3211 red and how does it differ from the ACX3210? The ACX3211 is the red positive rail variant of the OEX 150A 4-terminal distribution block. The ACX3210 is the same block in black, used for the negative/earth distribution point. Both are identical in specification. Using both together creates a clearly colour-coded positive and negative distribution pair, reducing wiring errors and simplifying fault-finding.
Is the clear cover removable? Yes. The clear polycarbonate cover is removable during installation to allow cable termination to the M8 studs, then refitted afterwards to protect terminals from accidental short circuits, debris and moisture while keeping connections visible for inspection.
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