Vanderbilt MK24xx Magnetic Contacts:, MK-2400-10, MK-2400-20, MK-2400-2-1K, MK-2400-6, MK-2400-S1, MK-2400-S2, MK-2460-6, MK-2470-2, MK-2500-10, MK-2500-2, MK-2500-25, MK-2500-6