Thomas & Betts | QCAL90 | Circuit Breaker | 90A | 2-Pole | 240V | Plug-In

Meet the Thomas & Betts QCAL90 Circuit Breaker — a purpose-built 90A, 2-pole, 240V plug-in device designed for maintenance, retrofit, and replacement in compatible panels. Built with the reliability you expect from Thomas & Betts, this breaker provides robust protection where you need it most.

Why it matters: In electrical panels, precise protection and easy serviceability can save downtime and ensure ongoing safety. The plug-in design allows straightforward swap-out in a properly rated 240V, 2-pole circuit, making it ideal for field upgrades and routine replacements.

Key specifications

• Amperage: 90A
• Poles: 2-Pole
• Voltage: 240V
• Configuration: Plug-In
• Reference: Part number QCAL90 (best compatibility reference)

Fit, compatibility, and guidance

To ensure proper operation, confirm fit and ratings before ordering. The part number QCAL90 is the best reference for compatibility with your panel or load center. This helps avoid mismatches in bus connection, trip characteristics, or enclosure constraints.

Ideal use cases

• Replacement for worn or failed breakers in 240V, 2-pole circuits
• Retrofit or maintenance projects where a 90A, 2-pole plug-in breaker is required
• Installing or upgrading enclosures in commercial and industrial panels that rely on plug-in protection

Why choose Thomas & Betts for this application? The QCAL90 delivers reliable protection in a plug-in format, backed by the QCAL series’ suitability for a wide range of panels. If your service call requires a 90-amp, two-pole, 240-volt plug-in breaker, this unit is designed to meet those specs head-on.