Blackburn Aluminum Split-Bolt ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$584.41
$376.24
Blackburn APS350 AL TP DUAL SPLITBOLT CONN 350-4STR

Blackburn Aluminum Split-Bolt Connector 350 MCM Dual Connection Electro Tin-Plated

(No reviews yet) Write a Review

Model: APS350
Selected Model is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$584.41
$376.24
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Blackburn Aluminum Split-Bolt Connector 350 MCM Dual Connection Electro Tin-Plated

Professional Aluminum Split-Bolt Connector for Reliable Electrical Connections

The Blackburn aluminum split-bolt connector delivers professional-grade electrical connections for 350 MCM applications. Constructed from durable aluminum with electro tin-plated surface finishing, this mechanical connector provides reliable dual connection capability for wire and cable management systems. UL E9809 listed for professional electrical installations.

Professional Features & Benefits

  • 350 MCM Capacity: Accommodates large conductor sizes for high-amperage electrical applications and power distribution systems.
  • Aluminum Construction: Lightweight yet durable material provides excellent conductivity while reducing installation weight and cost.
  • Electro Tin-Plated Finish: Enhanced corrosion resistance and improved electrical contact for long-term reliability in various environments.
  • Dual Split-Bolt Design: Enables secure mechanical connection of multiple conductors with reliable clamping force.
  • UL E9809 Listed: Meets rigorous safety and performance standards for professional electrical installations.
  • Mechanical Connection Type: Provides dependable wire-to-wire connections without requiring specialized tools or welding equipment.

Technical Specifications

  • Country Of Origin: Mexico (MX)
  • Department: Electrical
  • Material: Aluminum
  • Product Group: Wire & Cable Management
  • Product Subgroup: Connectors
  • Product Type: Split-Bolt
  • Selling Unit Of Measure: each
  • Standards: UL E9809
  • Surface Finishing: Electro Tin-Plated
  • Type2: Mechanical connectors

Professional Applications

  • Electrical Panel Connections
  • Power Distribution Systems
  • Industrial Wiring Applications
  • Commercial Electrical Installations
  • Utility Service Connections
  • Grounding System Connections
  • Cable Management Systems

Why Choose Blackburn Quality?

Blackburn delivers reliable electrical connection solutions with UL E9809 listing and professional-grade aluminum construction. The electro tin-plated surface finishing ensures long-term performance and corrosion resistance for demanding electrical applications.

Manufacturer Resources

Product Specs

Country Of Origin:
Mexico (MX)
Product Group:
Wire & Cable Management
Product Type:
Split-Bolt
Selling Unit Of Measure:
each
Standards:
UL E9809
Surface Finishing:
Electro Tin-Plated
Type2:
Mechanical connectors
Department:
Electrical
Product Subgroup:
Connectors
Product Material:
Aluminum

Blackburn APS350 – Frequently Asked Questions

1) What conductor range does the Blackburn APS350 split-bolt connector take?
The Blackburn APS350 is a dual split-bolt connector sized for 350 MCM down to 4 STR conductors, so it will tap a range of smaller runs off a 350 MCM main rather than being a single-size fitting. It is sold each, so count one per splice or tap point.
2) Can I use an aluminum split-bolt on copper conductors, or only aluminum?
The APS350 body is aluminum with an electro tin-plated finish. Tin plating on an aluminum body is what makes a mechanical connector suitable for use with aluminum and for aluminum-to-copper contact, because the plating keeps bare aluminum off the copper. The body material and the plating are what we hold on record here; if your job spec calls out a specific AL/CU marking, match it to the marking stamped on the connector.
3) What does "dual" mean on the APS350 split-bolt?
Dual refers to the two-bolt clamping arrangement, which puts pressure on the conductors at two points instead of one. On a 350 MCM run that matters because the larger the conductor, the more clamping length you want holding it. It is a purely mechanical connection, no crimp tool, no compression die, no welding.
4) Split-bolt or a compression connector for a 350 MCM tap?
A split-bolt like the APS350 is the choice when you have no hydraulic crimper on site or you need a connection you can open back up later, since it tightens with hand tools only. A compression connector is the better call where the splice will be direct buried or submerged, or where a spec demands an irreversible crimped joint. Either way the split-bolt still needs to be insulated or taped out to the same level as the conductor insulation.
5) What part number do I order for the Blackburn 350 MCM aluminum split-bolt?
Order Blackburn APS350. That is the manufacturer part number for the tin-plated aluminum dual split-bolt rated 350 MCM to 4 STR, and it ships as a single piece, not a box quantity. Country of origin is Mexico.
6) Can I use this connector for a grounding electrode conductor connection?
Grounding system connections are among the listed applications for the APS350, and it holds UL E9809. One caution for MRO and institutional work: many grounding electrode terminations are required to be irreversible or direct-burial rated, which a mechanical split-bolt is not. Use it for above-ground grounding splices inside enclosures and check your local requirement for the electrode connection itself.
7) Will the APS350 hold up outdoors or in a damp vault?
Corrosion resistance comes from the electro tin-plated surface over the aluminum body, which also improves the contact face. That covers typical panel, industrial and utility environments. For a wet or buried location, use a compression fitting rated for that instead of a mechanical split-bolt.
How fast can I get the Blackburn APS350 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Blackburn APS350 come with a warranty?
Absolutely. The Blackburn APS350 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Blackburn APS350?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Blackburn APS350 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!