The Zinsco/Challenger QFP-2200T is a 2 Pole, 200 Amp, 240V plug-in circuit breaker with a maximum amperage of 200A. It has a black color and is made of ABS/plastic materials. This main breaker is suitable for interior use and features an on/off operation method with a switch control style. With a voltage range of 201-250V, this circuit breaker is designed for industrial electrical equipment and supplies, making it a reliable choice for various commercial and industrial applications.