2pcs 4 Stud Busbar Bus Bar Power Distribution M8 M10 Battery Terminal Distribution Block Marine Bus Bar, Automotive 12V 250A
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SKU: DUP-14:193#M10
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Conversions Tech 4-Post Power Distribution Block — M8 / M10 High-Current Bus Bar (250A, 48V DC)
The Conversions Tech 4-Post Power Distribution Block provides a reliable, high-current connection point for distributing electrical power in automotive, RV, marine, and industrial systems. Designed with M8 and M10 stud terminals, this heavy-duty bus bar simplifies wire management, ensures stable current flow, and offers long-lasting corrosion resistance for high-performance DC applications up to 48V and 250A.
Key Features and Advantages
- High-Current Capability: Rated for up to 250A total and 62.5A per stud, supporting multiple circuits in power-intensive systems.
- Durable Multi-Material Design: Constructed from ABS, zinc alloy, and nickel-plated brass for high conductivity and long service life.
- 4-Post Configuration: Includes four large terminals (M8/M10) for heavy-gauge wiring and auxiliary screws for accessory connections.
- Reinforced Flame-Retardant Housing: ABS enclosure resists vibration, heat, and mechanical impact for use in harsh conditions.
- Corrosion-Resistant Contacts: Nickel-plated brass contact plates ensure consistent current flow and prevent oxidation over time.
- Compact and Organized Layout: Keeps wire harnesses neat and easily accessible for maintenance or circuit expansion.
- Wide Voltage Range: Supports up to 48V DC, compatible with 12V and 24V battery systems.
- Universal Mounting: Fits easily into electrical panels, engine bays, control boxes, and distribution systems.
Technical Specifications
| Product Type: | 4-Post Power Distribution Block / Bus Bar |
| Model: | M8 / M10 Stud Terminals |
| Rated Voltage: | 48V DC (Max) |
| Rated Current (Each Stud): | 62.5A |
| Total Rated Current: | 250A |
| Auxiliary Screw Terminals: | 20A Each |
| Material Composition: | ABS, Zinc Alloy, Brass (Nickel-Plated Contact Plate) |
| Housing Color: | Black / Red |
| Product Dimensions: | 170 × 44 × 33 mm (6.69 × 1.73 × 1.30 in) |
| Mounting Type: | Panel or Surface Mount |
| Function: | Power Distribution and Grounding for Automotive / Marine Systems |
| Certifications: | CE | RoHS | 3C Compliant |
| Country of Origin: | USA |
Recommended Applications
- Recreational Vehicles (RVs) and Camper Vans
- Marine and Boat Electrical Systems
- Automotive Battery Management and Upfit Installations
- Off-Grid Solar Power Systems and Inverters
- Utility and Heavy Equipment Power Distribution
- Industrial Control Panels and Mobile Workstations
Frequently Asked Questions (FAQs)
1. What is a power distribution block used for?
It’s used to combine or distribute electrical power safely among multiple circuits, reducing clutter and improving access for maintenance or expansion.
2. What are the current ratings for this model?
Each terminal supports up to 62.5A, while the entire block is rated for 250A total current capacity.
3. What materials are used in construction?
The housing is made of durable flame-retardant ABS, with zinc alloy fasteners and nickel-plated brass contact plates for superior conductivity and corrosion resistance.
4. What voltage is supported?
This model supports up to 48V DC, making it compatible with 12V, 24V, and 48V battery systems.
5. Are the posts M8 or M10?
It’s available in both M8 and M10 stud configurations to fit various cable lugs and system requirements.
6. Can it be used in marine environments?
Yes. The corrosion-resistant metal components and sealed design make it suitable for marine, RV, and off-grid electrical systems.
7. Is the housing heat and flame resistant?
Yes. The ABS housing is flame-retardant and reinforced to resist high temperatures and impact.
8. What’s the size of the unit?
The distribution block measures approximately 170 × 44 × 33 mm (6.69 × 1.73 × 1.30 inches).
9. Can it handle vibration and rough environments?
Yes. The rigid structure and locking hardware are designed for vibration-prone applications like vehicles, boats, and industrial equipment.
10. Who manufactures Conversions Tech power distribution products?
All Conversions Tech electrical components are designed and quality-tested in the United States to meet CE and RoHS standards for performance and safety.
© 2023 Conversions Tech. All rights reserved.
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.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
