The ABB A16‑30‑10 contactor (Part Number 1SBL181001R8010) is a compact three‑pole AC magnetic contactor designed for general control and switching of three‑phase electrical power circuits. It is commonly used for controlling three‑phase motors, lighting, heating, capacitor banks, and other industrial loads up to 690 V AC. This contactor includes three normally open main contacts and one normally open auxiliary contact for control and signaling functions. The device features a robust block‑type electromagnetic design, suitable for installation in industrial control panels, machinery, and motor starter assemblies.