UPS is called uninterruptible power supply because it can quickly switch to the "inverter" state when the power fails, so that the computer in use will not lose important files because of sudden power failure and no time for storage in the future.
AZ 7140 Micro Limit switch with short handle - Shell coated reinforced plastic, waterproof, prevent oil, less AZ type micro switch has higher mechanical strength, impact resistance. The contact spacing is small, the action of short trip, according to the
Automatic pump controller for single-phase water pumps. It can be used instead of a mechanical switch and pressure tank. When the tap is opened, it starts the pump. When the tap is closed, the controller stops the pump.
It is welcomed in lots of places like town road, factory, school, hospital, park, garden, etc, by its good floor cleaning ability of leaves, stones, dust, various waste, most important one is the easy operation
This type indoor single phase current transformer is casting resin fully enclosed insulated, post structure, with protective class. It apply to metering electric energy and current monitoring, relay protection in the electrical system of rated frequency 5