1.Application

Q7A Series manual transfer switch (manual dual power transfer switch) can realize manual transfer between common power and standby power. The switch have common power ON, standby power OFF. Common power OFF, standby power ON. Common power OFF, standby power OFF three steady working states. The switch has the characteristics of small volume, beautiful appearance, reliable conversion, convinient installation and maintenance, and long service life.

This switch is applicable to the emergency power supply system with 50/60Hz, rated voltage of 400V and rated current below 125A. It's widely used in various occasions where power failure can't be sustained. (Main and standby power supply can be a grid or starting generator, battery, main and standby power is defined by the users.)

The dual power transfer switch is conformity with standards of GB/T14048.11-2016. "Low voltage switchgear and control equipment Part No.6 multifunctional electric apparatus No.1 automatic transfer switching device.

Maintenance and Precautions

This product can work reliably under 85%-110% rated working voltage.
During maintenance or overhaul ensure that the product is not electrified.