AC Changeover Switch 2P

Noark EX9BT3G-2 – 2-Pole Changeover Switch

The EX9BT3G-2 series is a compact, manual AC changeover switch designed for safe and reliable selection between two power sources. With a 2-pole configuration, it provides full isolation of both line conductors, making it ideal for residential and small commercial backup systems.

Key Features

• 2-pole switching for isolating active conductors during source transfer.
• Manual, positive-action mechanism for clear I–0–II source selection.
• DIN-rail mountable design for simple installation inside standard DBs.
• Long mechanical life and reliable contact performance for everyday use.
• Clear position markings for safe and intuitive operation.

Typical Applications

• Switching between grid power and generator supply.
• Selecting between inverter output and utility input in backup systems.
• Small AC transfer systems in homes, workshops, and light commercial sites.
• Any application requiring safe 2-pole manual changeover between two AC sources.

Installation Notes

• Install on standard DIN rail in a suitable enclosure or distribution board.
• Ensure all AC wiring follows local electrical standards and polarity requirements.
• Confirm the correct I–0–II orientation when finalising installation.
• Use appropriately rated cabling and upstream protection devices.

The EX9BT3G-2 series provides a dependable, installer-friendly solution for AC source selection in compact backup and hybrid systems.