Comparison : Item # MD3HVF200T22, UL489B MCCB MD3HVF 2P 200A bus bar connection
Item # MD3HVF225T22, UL489B MCCB MD3HVF 2P 225A bus bar connection
Item # MD3HVF250T22, UL489B MCCB MD3HVF 2P 250A bus bar connection
Item # MD3HVF275T22, UL489B MCCB MD3HVF 2P 275A bus bar connection
Item # MD3HVF300T22, UL489B MCCB MD3HVF 2P 300A bus bar connection