Thomas & Betts TB215 Miniature Circuit Breaker

The Thomas & Betts TB215 2-pole miniature circuit breaker provides thermal-magnetic overcurrent and short-circuit protection for 120/240 VAC single‑phase distribution in commercial and light‑industrial panels. As part of the TB Series, this plug‑in molded‑case breaker is rated at 15 A with fixed long‑time and instantaneous (LI) trip, capable of interrupting up to 10 kA at 240 VAC. It is designed for use in TB Series load centers and panelboards to protect branch circuits and feeders such as lighting circuits, receptacle circuits, HVAC equipment, and small motors. The unit features a plug‑in connection, molded‑case frame, non‑interchangeable trip unit, an operating temperature reference of 40°C, and weighs approximately 2 lb.