Angle Float Switch | Liquid Level Sensor for Aquariums | 220V DC

This right-angle float switch is a simple liquid level sensor. It works with 220V systems. It automatically turns a device, like a pump or an alarm, on or off as the water level changes. It's a direct...
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Questions about this product
- Can I use this float switch to directly control my 220V water pump?
- No, you must not connect a 220V pump directly through this switch. It has a maximum power rating of 10W and is designed to be a low-power signal device. To control a 220V pump, you need to use this switch to operate the coil of a correctly rated relay or contactor, which then handles the high-power pump circuit.
- How do I install this in a tank, and can I reverse its operation?
- The switch is installed through a hole you drill in the side of your tank and is secured from the outside with the included plastic nut. Yes, you can reverse the switching action from Normally Open to Normally Closed. Just remove the clip on the end of the stem, take the float off, flip it 180 degrees, and put it back on.
- What are the actual maximum voltage and current ratings?
- The switch's absolute maximum power rating is 10W. It is designed for low-voltage control circuits up to 110V (AC or DC), where it can switch a current of 0.5A. For any higher voltage circuits like 220V, it must only be used to signal a separate relay and not switch the main load directly.
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