Single Pole, Single Throw (SPST) Level Switches Datasheets

The U-GAGE is an easy-to-use ultrasonic sensor, ideal for demanding environments. Simple push-button programming provides flexibility for a variety of applications. Excellent for measurement applications such as sensing of liquid levels in a tank or, for example, determining box heights for sorting...[See More]

• Media Type: Dry material (Bulk solids and powders) 
• Switch Type: Solid-state switch 

• Measuring Range: 5.91 to 39.37 inch
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

• Media Type: Liquid 
• Configuration (Normal State): Normally Closed (NC) 

• Switch Type: Solid-state switch 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

Conductivity liquid-level controls are designed for use in electrically conductive liquids. When the liquid contacts the tip of the probes they act as a switch closure and can be used for pump or solenoid control, high and low alarm contacts or heater protection.[See More]

• Media Type: Liquid 
• Configuration (Normal State): Normally Open (NO) 

• Switch Type: Solid-state switch 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

• Media Type: Liquid 
• Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 

• Switch Type: Electro-mechanical switch 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

• Media Type: Liquid 
• Configuration (Normal State): Normally Open (NO) 

• Switch Type: Electro-mechanical switch 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

• Media Type: Liquid 
• Configuration (Normal State): Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature) 

• Switch Type: Solid-state switch 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

When the magnetic field of permanent magnet inside the float is moved into to the proximity of the reed switch inside the stationary stem, the reed switch "snaps" the contact together and closes the electrical circuit. When the magnetic field is moved away from the reed switch, the reed switch does...[See More]

• Media Type: Liquid 
• Configuration (Normal State): Normally Open (NO) 

• Switch Type: Electro-mechanical switch 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

Bottle type level switches are ideal for large or small tanks or where access to the inside is impractical or impossible. These units mount completely outside the tank, at the level actuation point. LS-159000 Series - Low Cost, Compact Aluminum Housing. Inline NPT Ports.[See More]

• Media Type: Liquid 
• Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 

• Switch Type: Electro-mechanical switch 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

The ENS 3000 is a solid state sensor that detects fluid level and provides immediate visual and electronic feedback of level and provides for easily adjustable switch points. The sensor probe is inserted directly into the fluid and the sensor fields detect the level of the fluid. The analog signal...[See More]

• Media Type: Liquid 
• Switch Type: Solid-state switch 

• Measuring Range: 0.0 to 10.24 inch
• Configuration (Normal State): Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature) 

The KOBOLD NAE and NNE level switches provide mercury-free switching for tank applications requiring high AC current capability. Both units are constructed of industrial quality polypropylene. The NNE may be purchased with an optional Hypalon® coating for superior chemical resistance. The NAE has...[See More]

• Media Type: Liquid 
• Configuration (Normal State): Normally Open (NO) 

• Switch Type: Electro-mechanical switch 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) 

The M8000 miniature liquid level switch has a polypropylene stem and a polypropylene float. Polypropylene is typically suitable for use with acidic liquids such as those found in electroplating and metal cleaning. It is also a great option for lower temperature food operations (up to 105 degrees C)...[See More]

• Media Type: Liquid 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

• Switch Type: Electro-mechanical switch 
• Maximum Operating Pressure: 100 psi

FB-5000 is a highly compact and durable float switch which is installed at a tank side through a nozzle. Made out of 316 SS, it has high corrosion resistance capability and is designed for high pressure ratings coupled with ease of handling. Float follows liquid level and actuates a Reed switch...[See More]

• Media Type: Liquid 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

• Switch Type: Electro-mechanical switch 
• Max Current Rating: 0.5000 amps

Ideal for level control of any conductive liquid Both general-purpose and panel-use models available Incorporates an arrester for surge and induced lightning protection Wide range of models: Long-distance, high- and low-sensitivity, two-wire, etc. LED ind...[See More]

• Media Type: Liquid 
• Configuration (Normal State): Normally Closed (NC) 

• Switch Type: Electro-mechanical switch; Solid-state switch (optional feature) 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

• Media Type: Liquid 
• Configuration (Normal State): Normally Open (NO) 

• Switch Type: Electro-mechanical switch 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

The SC120 probe controls and measures level along with the CN200 level transducer. This set is also a RF capacitance transmitter system for measurement of level in a variety of products. The SC120 probe sends an mV signal to the CN200 transducer, which converts the (mV) signal into a 4-20mA signal.[See More]

• Media Type: Liquid; Dry material (Bulk solids and powders) 
• Accuracy (Continuous Level): 0.0500 +/-inch

• Measuring Range: 20.00 to 79.00 inch
• Switch Type: Electro-mechanical switch 

• Media Type: Liquid 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST); Double Pole, Double Throw (DPDT) (optional feature) 

• Switch Type: Electro-mechanical switch 
• Max Current Rating: 0.0030 amps

Compact design, electrical components mounted outside of the tank. Some of the applications: general industrial use, hydraulics, lubrication, process control, food industry, pulp/paper industry, water processing Description: One part provides two functions, visual level indicator and...[See More]

• Media Type: Liquid 
• Switch Type: Electro-mechanical switch 

• Measuring Range: 0.0 to 5.00 inch
• Configuration (Normal State): Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature) 

The Model FSI Float Switch Indicator displays the status of up to 5 float switches. When a float switch closes, the corresponding LED lights. When a float switch opens, the corresponding LED goes out.[See More]

• Media Type: Liquid 
• Pole and Throw Specifications: Single Pole, Single Throw (SPST) 

• Switch Type: Electro-mechanical switch 
• Meter Technology Type: Electrical Conductivity or Resistance 

Float switches are used to trip high/low level alarms, engage relays, control or start/stop pumps, open/close valves etc. They are a simple, inexpensive way to provide independent or redundant setpoints for emergency shut-down or backup.[See More]

• Media Type: Liquid 
• Switch Type: Electro-mechanical switch 

• Repeatability (Point Level): 0.0300 +/-inch
• Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 

Walchem’s polypropylene tank level switches work well in chemicals that are clean and non-coating or scaling. Polypropylene should be compatible with nearly all water treatment chemicals. The reed switch output provides a reliable input to our WebMaster series controllers. These level...[See More]

• Media Type: Liquid 
• Repeatability (Point Level): 0.0787 +/-inch

• Measuring Range: 0.0 to 36.00 inch
• Accuracy (Continuous Level): 0.1969 +/-inch