Blue Sea Systems PowerPost 5/16″ (Open Box/Refurbished)

Description

This product is part of our Open Box/Refurbished inventory. It may be open-box, lightly used, or refurbished. Cosmetic blemishes or damage are clearly shown in the product images. Some non-essential components such as manuals or packaging may be missing.

Each unit has been thoroughly tested and confirmed to work as expected. Warranties remain valid but may be prorated based on shelf time (typically between 1-4 years remaining on warranty). 

All sales final. No returns accepted for cosmetic issues. Please review product images carefully before purchase.

The Blue Sea Systems PowerPost 5/16″ is a high-quality single stud terminal block designed for high-amperage cable connections in 12V, 24V, and 48V DC systems. Ideal for RV, marine, and off-grid electrical installations, this PowerPost provides a secure and corrosion-resistant point for consolidating ground or positive power connections.

With a robust 5/16″ stainless steel stud, the PowerPost can handle up to 48V DC and 250A continuous current, making it perfect for main battery connections, inverter hookups, or busbar expansion. Its durable insulating base and cover ensure safe, reliable performance even in harsh environments.

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Key Features:

• Provides a secure junction point for high-amperage connections
• Ideal for distribution or consolidation of power cables
• Suitable for marine, RV, and off-grid applications
• 5/16″-18 stainless steel stud for corrosion resistance
• Includes snap-on insulating cover for enhanced safety
• Compact footprint for space-limited installations

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Technical Specifications:

• Stud Size: 5/16″-18 stainless steel
• Continuous Rating: 250A
• Voltage Rating: Up to 48V DC
• Base Material: Glass-reinforced nylon
• Cover Included: Yes (snap-on insulating cover)
• Max Cable Lug Stack: 4
• Mounting Holes: Two, for secure installation
• Dimensions (L x W x H): 3.25″ x 1.5″ x 1.75″
• Mounting Hole Spacing: 2.63″

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