What the coil voltage range tells you about the control circuit
The AF12N0-30-10-13 is an ABB NEMA size 0 contactor with a coil rated for 100-250 VAC/DC. That wide-range coil means it accepts any control voltage in that band — 120 V, 208 V, 240 V AC, or 110 V, 220 V DC — without swapping the coil. One part number covers multiple panel voltages, which simplifies BOM management for a machine builder shipping to different regions. The NEMA size 0 frame (SZ0) corresponds to a specific contact rating envelope, typically up to 9 A continuous at 600 V for general-purpose motor loads. The single normally-open (1 N.O.) main contact switches the load; the contactor is intended for panel-mount integration on a DIN rail or backplate.