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Bypass switches

Application

Bypass switches of type FMU BY1 (FMUN BY1) connect one consumer with either of two power sources (e. g. grid or back-up power supply). The switching function of the devices is 1 - 0 - 2*. In position 1, the consumer is connected to grid supply. In position 2, it is connected to a back-up power supply. In position 0, the consumer is completely isolated from the power sources. Thanks to the visible disconnection, the bypass switch complies with fuse-switch requirements.

Areas of use

Telecommunications, railroad systems, utility applications, hospitals, radio stations, airports, transport services, etc.

Scope of supply

Devices are supplied with handle and face plate.