Thomas TB290 - 90A, 2-Pole, Circuit Breaker

Power up reliability with the Thomas TB290 90A, 2-Pole Circuit Breaker—a purpose-built solution for safeguarding electrical circuits in demanding environments. Designed for industrial, commercial, and OEM applications, this TB290 delivers consistent overcurrent protection where it matters most: distribution panels, motor control centers, and control panels.

Why the TB290 stands out

• 90 Amp current rating: Provides solid protection for motor loads and branch circuits, helping prevent damaging faults while minimizing nuisance trips.
• 2-Pole configuration: Ensures simultaneous disconnection of both conductors, enhancing safety and simplifying wiring for two-wire systems.
• Versatile installation: Ideal for panelboards, switchboards, and control panels across industrial and commercial settings.
• Durable, serviceable design: Built to endure regular operation in distribution panels and motor control centers, delivering dependable protection over the long term.

Ideal use cases

• Protecting motor control centers and distribution panels in manufacturing floors, warehouses, and facilities with demanding electrical loads.
• Providing reliable overcurrent protection for branch circuits within panelboards and switchboards.
• OEM equipment builds that require a robust, easy-to-integrate protective device.

Key specifications

• Current rating: 90A
• Poles: 2-Pole
• Breaker type: Circuit Breaker

Practical guidance

• Verify compatibility with your distribution panel or motor control center enclosure and follow wiring diagrams for proper installation.
• Pair with appropriately rated conductors and coordinate overcurrent protection to optimize safety and system reliability.