NEMA Reversing and Non-reversing Starters and Contactors, NEMA Size 0, Type 1, Reversing space saving

305 NEMA Non-Combination Enclosed Reversing Starter with Snap-Together Bulletin 305 reversing starters are most commonly used for full-voltage starting and reversing of polyphase squirrel-cage motors. Factory-assembled starter sizes 0…4 are electrically and mechanically interlocked to avoid both contactors being closed simultaneously.