THOMAS & BETTS BLACKBURN 350M SPLIT BOLT CONNECTOR

Description:

The Thomas & Betts Blackburn 350M Type H High-Strength Split Bolt Connector is used to splice, tap, or terminate 250–350 kcmil copper conductors in electrical power distribution and grounding systems. Commonly installed in switchgear, grounding grids, transformers, substations, industrial facilities, and utility power networks, this connector features a high-strength corrosion-resistant bronze alloy bolt and nut with a copper alloy pressure bar to provide a durable, low-resistance electrical connection. Maintenance teams and system integrators use this connector for repair, retrofit, expansion, and replacement of mechanical conductor splices.

Applications:

The Thomas & Betts Blackburn 350M is designed for splicing, tapping, and terminating copper conductors in power distribution, grounding, and bonding systems. Its Type H split-bolt construction provides excellent mechanical strength and conductivity, making it suitable for commercial buildings, industrial facilities, substations, utility distribution systems, renewable energy installations, and OEM electrical equipment. 

Technical Specifications:

• Manufacturer Part Number (MPN): 350M
• Brand: Thomas & Betts (ABB) – Blackburn®
• Product Type: Type H High-Strength Split Bolt Connector
• Conductor Material: Copper
• Equal Main and Tap Conductor Range: 250–350 kcmil Copper
• Minimum Tap with One Maximum Main: 1/0 AWG Stranded Copper
• Connector Material: High-Strength Corrosion-Resistant Bronze Alloy
• Pressure Bar Material: Copper Alloy
• Installation Type: Hex Head Split Bolt
• Finish: Metallic Bronze
• Split Dimension (B): 0.717 in.
• Hex Nut Dimension: 1-21/32 in.
• Features: High-strength bronze bolt and nut, copper alloy pressure bar, reusable mechanical connection, corrosion-resistant construction, designed for splicing, tapping, and terminating conductors
• Standards: UL Listed (UL File E9809), UL 486A, CSA Certified, RoHS Compliant
• Typical Applications: Grounding Systems, Power Distribution, Utility Networks, Switchgear, Transformers, Bus Bars, Industrial Electrical Equipment, Substations

Common Replacements:

• Thomas & Betts 40H
• Thomas & Betts 500M
• Thomas & Betts 350HPS