Havells India Ltd. Is the manufacturer of Four Pole Changeover Switch. Havells India Ltd. Is ISO 9001 certified. The Four Pole Changeover Switch is used in buildings. This switch is designed for use in low voltage distribution circuits, wherever continuity of supply is necessary and for switching to an alternate source of supply from main supply and vise-versa. The Four Pole Changeover Switch is of two ranges: 25A and 40A.
