12-Position Terminal Block Power Rail | Marine & Automotive

12-Position Terminal Block Power Rail – Marine, Automotive & RV Wiring

Organize and distribute electrical connections with confidence using this heavy-duty 12-Position Terminal Block Power Rail. Engineered for demanding environments including boats, marine vessels, RVs, cars, and industrial panels, this terminal strip delivers safe, reliable, and efficient power management in one compact unit.

Made in Mainland China.

Why Choose This Terminal Block?

• Safe Copper Conductor Core: Ensures stable, uninterrupted power flow and reduces the risk of electrical faults in automotive, marine, and industrial setups.
• Surge-Resistant Design: Supports up to 150A per circuit, protecting your equipment from dangerous voltage spikes in high-power environments.
• 12-Circuit Expandable System: Comes as a full 38-piece set with 2-color busbars and 12-circuit expansion capability — perfect for scaling up your wiring needs.
• Effortless Installation: Anti-slip threads and pre-slotted clips make mounting quick and secure, while reducing setup time significantly.
• Color-Coded & Numbered Slots: Red and black polarity markings with numbered slots speed up troubleshooting and ensure accurate wire placement — a lifesaver on large-scale wiring jobs.
• Protective Cover Included: The built-in cover shields connections from accidental contact and environmental exposure.
• Wide Compatibility: Accepts conductors from 1–5 AWG, making it versatile across a broad range of electrical systems.

Product Specifications

• Number of Positions: 12
• Conductor Size: 1–5 AWG
• Connection Type: Screw Terminal
• Max Current per Circuit: 150A
• Product Weight: 117g
• Product Dimensions: 7 × 3 × 2.5 cm (2.75 × 1.18 × 0.98 in)
• High-Concern Chemicals: None

What's Included

• 1 × Terminal Block Set (38-piece)

Ideal Applications

This terminal block is the go-to solution for electricians and DIY enthusiasts working on:

• Boat & marine electrical panels
• Automotive wiring & car audio systems
• RV and camper van electrical setups
• Industrial control panels
• Home and commercial power distribution boards

For safe electrical wiring practices and standards, refer to guidance from the U.S. Consumer Product Safety Commission (CPSC) – Electrical Safety.

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Note: Due to lighting and display settings, slight color differences may occur. Minor dimensional variances due to manual measurement are possible.

Frequently Asked Questions

Q: What wire gauge does this 12-position terminal block support?

A: This terminal block supports conductor sizes ranging from 1 to 5 AWG, making it compatible with a wide variety of automotive, marine, and industrial wiring applications.

Q: Is this terminal block suitable for marine and boat use?

A: Yes! The terminal block is specifically designed for marine, automotive, and RV environments. Its robust construction and surge-resistant design handle the demanding conditions found on boats and in vehicles.

Q: How many circuits does this terminal block support?

A: It features 12 positions and supports up to 12-circuit expansion. The full 38-piece set includes 2-color busbars to simplify identification and organization.

Q: Does it come with a protective cover?

A: Yes, the terminal block includes a cover to protect connections from accidental contact and environmental exposure, ensuring safe and long-lasting performance.

Q: How much current can each circuit handle?

A: Each circuit in this terminal block supports up to 150A, making it suitable for high-power systems found in industrial, marine, and automotive applications.