Bussmann TB300-04 Eaton TB300 Series Four-Pole Terminal Block Connector, 600V, 30A

Bussmann TB300-04 Eaton TB300 Series Four-Pole Terminal Block Connector, 600V, 30A

The Bussmann TB300-04 is a genuine Eaton TB300 series panel mount terminal block connector engineered for reliable four-pole electrical connections. This double row, barrier-style block carries a breakdown voltage of 7500V with a 600V voltage rating and 30A current rating, making it well suited for panelboard and control panel wiring where secure, code-compliant terminations are required. Each pole uses a #8-32 TPI screw terminal with a tin-plated brass terminal body and a zinc-plated steel Phillips-slot screw for a durable, corrosion-resistant connection in a compact black housing.

Key Features

• Four-Pole, Double Row Barrier Design: Four independent poles arranged in a double row barrier configuration for organized, isolated terminations.
• Voltage Rating: Breakdown voltage of 7500V with a 600V operating voltage rating for demanding panel-mount applications.
• Amperage Rating: Rated 30A per pole for dependable current-carrying capacity in panelboard wiring.
• Screw Terminal Connection: #8-32 TPI screw terminals accept a Phillips-slot, zinc-plated steel screw for a secure mechanical and electrical connection.
• Durable Construction: Tin-plated brass terminal contacts resist corrosion and maintain low-resistance connections over time.
• Compact Footprint: Measures 3.25 x 1.33 x 0.81 IN, sized for space-conscious panel mounting.
• Black Housing: Black insulating body for clear panel identification and electrical isolation.

Technical Specifications

• Amp Rating: 30A per pole (300A frame series rating)
• Breakdown Voltage: 7500V
• Voltage Rating: 600V
• Dimensions (L x W x H): 3.25 x 1.33 x 0.81 IN
• Poles: Four-Pole, Double Row Barrier
• Screw Type: #8-32 TPI, Zinc-Plated Steel Phillips-Slot Screw
• Terminal Material: Tin-Plated Brass
• Color: Black

Typical Applications

• Panelboard and Load Center Wiring
• Control Panel and Industrial Enclosure Terminations
• OEM Electrical Equipment Assembly
• Panel-Mount Circuit Connections
• Commercial and Industrial Electrical Installations

Why Bussmann?

Bussmann is a trusted name in circuit protection and electrical connection components, and the TB300-04 is a genuine Eaton TB300 series part built with tin-plated brass terminals and zinc-plated steel hardware for long-term reliability. Its four-pole, double row barrier design and screw-terminal connection make it a dependable choice for professional panelboard and panel-mount wiring where consistent performance matters.