The GE THQB2120STI is a 20A, 2-pole shunt trip circuit breaker designed for electrical protection in AC systems up to 120/240V. With a bolt-on mounting style and manual reset interruption type, this circuit breaker offers reliable performance and thermal overload protection. Ideal for industrial and commercial applications, the GE THQB2120STI provides a safe and efficient solution for ensuring electrical system reliability and protection.