What relay should I use with this for a 12v 3a application?

I used a Chicago Sensor relay P/N RLY004 with base SQC002 sourced from Aqua Hub. $8.00 for the relay & $5.00 for the base. I used this relay to power a Jebao WP-450 (PP377) water pump and actuate a solenoid valve to auto fill a water feature reservoir. This relay handles both operations simultaneously. I chose this type of relay to simplify replacement of relay if necessary. So far after two years of operation the relay has operated flawlessly.

Can it be switched from n.o. to n.c.?

you can rig it up so it sits upside down in the water I suppose.

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uxcell Stainless Steel Float Switch for Water Pump Tank Swimming Pool Garden Pond Liquid Water Level Sensor M10 116mm Length

uxcell Stainless Steel Float Switch for Water Pump Tank Swimming Pool Garden Pond Liquid Water Level Sensor M10 116mm Length

Product ID: 435286377

Details

Brand
uxcell
Material
Stainless
Wattage
10 watts
Unit count
1 Count
Number of Items
1

⚡Max Voltage: DC100V

💧Float Ball Size: 26x26mm

📏Wire Length: 300mm

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$61.11

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Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Dive into Precision Control!

COMPACT DURABLE - Designed with a small footprint and long lifespan, perfect for any liquid environment.
SMART CONTROL READY - Requires small relays for effective control of solenoid valves and high-power devices.
VERSATILE INSTALLATION - Easily install at the top or bottom of your tank for customizable water level detection.
UNIVERSAL COMPATIBILITY - Works seamlessly with various liquids, pressures, and temperatures for all your water management needs.
IDEAL FOR MULTIPLE APPLICATIONS - Perfect for aquariums, swimming pools, fountains, and household appliances.

The uxcell Stainless Steel Float Switch is a reliable liquid level sensor designed for versatile applications, including water tanks, swimming pools, and aquariums. With a maximum switching voltage of DC100V and a compact float ball size, this durable device ensures accurate water level management while being easy to install and maintain.

Specifications

Asin	B016Q6S2VU
Best Sellers Rank	#204,953 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #112 in Liquid Level Sensors
Brand Name	uxcell
Circuit Type	1-way
Compatible Devices	Pumps, indicators, alarms, heaters, power heads, filtration systems
Connector Type	Screw
Contact Material	Stainless Steel
Contact Type	Normally Open
Control Method	Sensor
Control Type	trigger
Customer Reviews	4.1 4.1 out of 5 stars (84) 4.1 out of 5 stars
Global Trade Identification Number	00711331543134
Item Weight	0.01 Ounces
Manufacturer	uxcell
Material Type	Stainless Steel
Model	a14121000ux0091
Mounting Type	Flush-mounted
Number Of Items	1
Operating Voltage	100 Volts (DC)
Operation Mode	automatic
Part Number	a14121000ux0091
Smart Home Compatibility	Not Smart Home Compatible
Specification Met	RoHS
Switch Type	Mechanical
Terminal	Screw
Unit Count	1.0 Count
Upc	711331543134
Wattage	10 watts

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