This high voltage vacuum relay by Jennings, model number RB1Q-6N137, is perfect for any industrial or electrical equipment application. With a maximum amperage of 12amps and a coil voltage of 6v, this relay is designed to handle all of your electrical needs. The relay features metal contact material for maximum durability and longevity. The Jennings RB1Q-6N137 is a DC current type vacuum relay, and it comes in a pack of one. It is a general-purpose relay that is ideal for a wide range of uses. Whether you are working with electrical equipment or machinery, you can count on this vacuum relay to get the job done. Rare New in original box Collins part number 410-0222-000 See pictures for size 2.75 inches high x 1.5 inches wide