GDQ3-63 Automatic Transfer Switch:
GDQ3-63 series automatic transfer switch is designed and developed by our company according to universal customers' requirements. This switch uses DZ47 miniature circuit breaker (improved type) as the actuating element, is equipped with the new type control mechanism. With the smallest volume among the similar products, it also has the functions like the fire control and power generation, and, it is specially used in the important power supply locations where the power failure is not allowed.Widely used at the field of important power supply site, which transport, distribution power supply system and automatization system. For fire protection,hospital,bank,building, etc, where doesn't allow power off.

Operation:
GDQ3-63 series automatic transfer switch can adopt the manual operation mode, when the manual operation is used, the manual/auto button is set in the "manual" position, when the handle is rotated clockwise to the terminal, thus, the reserve power actuating breaker QR is switched off, and the normal power actuating breaker QN is switched on. On the contrary, when the handle is rotated CCW to the terminal, the reserve power actuating breaker QR is switched on, and the normal power actuating breaker QN is switched off. The panel power indicating lamp (yellow) indicates the working voltage of automatic controller, if this lamp is not brightened, this means the working power of automatic controller has the failure, and the switch should not be operated. After it is recovered, the manual/auto button should be set to the automatic position, if the normal power is in the normal state, the normal power actuating breaker QN will be in the ON state, thus, the panel N power indicating lamp (green) is brightened; if the normal power is abnormal, the normal power actuating breaker QN will be in the OFF state, and reserve power actuating breaker QR will be in the ON state, thus, the panel R power indicating lamp (green) is brightened.

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