Bussmann TB300-10SPQC4 Ten-Pole Barrier Terminal Block Connector, 600V/30A, Black

Bussmann TB300-10SPQC4 Ten-Pole Barrier Terminal Block Connector

The Bussmann TB300-10SPQC4 is a genuine Eaton TB300 series panel mount terminal block connector built for reliable, high-density electrical connections in industrial and commercial panel assemblies. This ten-pole barrier-style block features tin-plated brass terminals secured by zinc-plated steel SEMS philslot screws, and carries a 600V rated voltage with a 7500V breakdown (dielectric withstand) voltage rating. Compact overall dimensions of 3.25 x 1.33 x 0.81 IN (L x W x H) make it well suited for space-constrained panel layouts that require dependable, organized multi-circuit terminations. As a genuine Bussmann part, the TB300-10SPQC4 is a direct fit replacement for OEM panel wiring and control assemblies.

Key Features

• Ten-Pole Barrier Configuration: Provides ten individual, isolated terminal positions in a single panel mount block for organized, high-density circuit terminations.
• Durable Terminal Construction: Tin-plated brass terminals resist corrosion and maintain consistent, low-resistance electrical contact over repeated wiring cycles.
• Zinc-Plated Steel SEMS Screws: Combination philslot SEMS screws with captive washers speed installation and deliver a secure mechanical and electrical connection at each terminal.
• Voltage Rating: Rated 600V with a 7500V breakdown voltage rating, supporting demanding panel-mount electrical applications.
• Amp Rating: Manufacturer amp rating of 300A per specification, supporting robust current-carrying capacity across the terminal block.
• Panel Mount Design: Barrier-style housing is designed for direct panel mounting, simplifying integration into panelboards, enclosures, and control cabinets.
• Compact Footprint: Measures 3.25 x 1.33 x 0.81 IN (L x W x H), allowing efficient use of limited panel space.
• Black Finish: Black barrier block housing provides clear visual identification and contrast within crowded panel assemblies.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Panelboard and Enclosure Wiring Connections
• Industrial Control Panel Assemblies
• Distribution Equipment Terminal Connections
• OEM Panel and Switchgear Assemblies
• Motor Control Center Wiring
• Commercial and Industrial Electrical Installations

Why Bussmann?

The Bussmann TB300-10SPQC4 is a genuine Eaton TB300 series part, built with tin-plated brass terminals and zinc-plated steel SEMS philslot screws for durable, corrosion-resistant electrical connections. Its 600V rated voltage with 7500V breakdown voltage performance reflects the demanding construction standards professionals expect from Bussmann and Eaton for panel-mount terminal connections. The ten-pole barrier configuration keeps multi-circuit panel wiring organized and serviceable, while the compact 3.25 x 1.33 x 0.81 IN footprint fits standard panel and enclosure layouts. Choose the genuine Bussmann TB300-10SPQC4 for dependable, professional-grade electrical panel wiring.