Description
The LS-14-190 Polypropylene Single-Level Float Switch is a reliable and cost-effective liquid level sensor designed specifically for use in highly corrosive and non-metallic fluid environments. Built from chemically resistant polypropylene, this float switch is ideal for applications involving acidic or alkaline solutions, wastewater, plating baths, or chemical storage systems, where traditional brass or stainless steel switches may degrade or react with the media.
Polypropylene offers a unique combination of durability, chemical resistance, and affordability, making it a material of choice for OEMs and system integrators seeking low-cost yet dependable float switches for sensitive fluid control. Its non-metallic construction eliminates the risk of galvanic corrosion or metallic contamination, helping maintain the integrity of fluids in chemical processing, water treatment, and laboratory equipment.
The LS-14-190 features a vertically mounted design and is equipped with a SPST reed switch rated at 100 VA, capable of switching up to 300 VAC or 350 VDC, and supporting a maximum current of 1.0A AC or 2.5A DC. This powerful rating makes it suitable for both low-voltage signaling and higher-load applications like pump control or alarm activation.
Compact and lightweight, this float switch is easy to install in small tanks, compact fluid systems, or integrated assemblies. It ships in a Normally Open (N.O.) configuration but can be converted to Normally Closed (N.C.) by inverting the float on the stem—adding versatility without requiring additional parts.
The unit includes 24-inch long, 20 AWG PVC-insulated lead wires, providing reliable electrical connectivity and resistance to moisture, heat, and chemical exposure. Designed with simplicity and reliability in mind, the LS-14-190 is well-suited for mass production and OEM system designs where performance must meet budget constraints.
With a wide operating temperature range of -40°F to 180°F and high compatibility with corrosive and non-conductive fluids, this float switch provides long-term performance in environments where metals are not desired. It is also UL Recognized (File# E177423), ensuring compliance with electrical safety and performance standards.
Whether used in industrial automation, chemical dosing, or water quality systems, the LS-14-190 Polypropylene Float Switch delivers rugged reliability, excellent chemical resistance, and great value for corrosive liquid level sensing applications.
PDF| Part # | Reed Switch | Dry State | Price |
| LS-14-191/2 | 70 VA SPST | N.O.* | $23.75 |
| LS-14-193/4 | 100 VA SPST | N.O.* | $28.15 |
| LS-14-195 | 8 VA SPDT | N.O. / N.C. | $29.25 |
* The dry state can be changed from Normally Open to Normally Closed by inverting the float.
Dry State: The condition of the reed switch when the tank is dry.
N.O.: Normally Open
N.C.: Normally Closed
SPST: Single Pole Single Throw
SPDT: Single Pole Double Throw
| Operating Temp | Maximum Pressure | Float Spec. Gravity |
| -40°F to 212°F | 150 PSI | .80 |
| Thread | Float | Lead Wires |
| 1/8″ npt | 0.70″ diameter | 20 AWG PVC 24″ |
