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Normally Closed (NC) Level Switches Datasheets


Hydrocarbon Float Sensor -- 9830-HCF
from Arjay Engineering Ltd.

Over 30 years of Arjay's field proven HF capacitance technology has been applied to the 9830-HCF Oil Monitor. The unique floating sensor continuously monitors for the accumulation of oil at the water surface.[See More]

  • Media Type: Liquid 
  • Repeatability (Point Level): 0.2000 +/-inch
  • Measuring Range: 0.2500 to ? inch
  • Accuracy (Continuous Level): 0.2000 +/-inch
View Datasheet
CL-10DJ Level Switch -- CL-10 DJ
from Automation Products, Inc.

The Type CL-10DJ Dynatrol® Level Switch is designed for application to either high or low point level detection of bulk solids. Reliable operation can be achieved with this level control in problem applications where other types of controls may fail to operate at all. Versatile: This control...[See More]

  • Media Type: Dry material (Bulk solids and powders) 
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Double Throw (SPDT) 
View Datasheet
Level Detection -- BCS M12T4G1-NOM80G-EP02
from Balluff, Inc.

Balluff level detection sensors use non-shielded housing designs to guarantee unprecedented reliability and accuracy for point-level detection of liquids, powders, and bulk materials. These sensors are available in different housing styles and materials to assure application compatibility,...[See More]

  • Media Type: Liquid; Dry material (Bulk solids and powders) 
  • Configuration (Normal State): Normally Closed (NC) 
  • Switch Type: Electro-mechanical switch 
  • Mounting Options: Side mount 
View Datasheet
U-GAGE™ Q45UR Series -- Q45UR3BA63CK
from Banner Engineering Corp.

Piezoelectric Proximity Mode Sensors with Push-Button or Remote Programming of Sensing Windows...[See More]

  • Media Type: Liquid; Dry material (Bulk solids and powders) 
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
  • Measuring Range: 1.97 to 9.84 inch
  • Pole and Throw Specifications: Other Type (Special Application) 
View Datasheet
Level Sensors Optical -- VP 01 E
from CARLO GAVAZZI Automation Components
Unmodulated infrared sensor for liquid level detection, built in amplifier
  • Media Type: Liquid 
  • Configuration (Normal State): Normally Closed (NC) 
  • Switch Type: Solid-state switch 
  • Pole and Throw Specifications: Single Pole, Single Throw (SPST) 
View Datasheet
Boiler Water Level Control Series 123 -- 123-153
from Dwyer Instruments Inc.
Cast iron chamber, for H2O, boiler applications, direct linkage
  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Double Throw (SPDT) 
View Datasheet
Miniature Switch -- 200020
from elobau sensor technology, Inc.
Available in PVC, PP and PVDF materials
  • Media Type: Liquid 
  • Configuration (Normal State): Normally Closed (NC) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Single Throw (SPST) 
View Datasheet
Nivotester -- FTC625
from Endress+Hauser, Inc.
Level limit switch with intrinsically safe signal circuit, hazardous areas
  • Media Type: Liquid; Dry material (Bulk solids and powders) 
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
  • Switch Type: Solid-state switch 
  • Pole and Throw Specifications: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) 
Similar parts from Endress+Hauser, Inc.
Nivotester -- FTR325
View Datasheet
ExOsense™ Liquid Level Sensor
from Gems Sensors & Controls

The new ExOsense is the first and only affordable, non-intrusive liquid level sensor for plastic fluid containers. ExOsense sensors adhere to the outside of plastic bottles and are unaffected by the color or transparency of the plastic. Liquids inside the bottle are untouched, so with ExOsense there...[See More]

  • Media Type: Liquid 
  • Accuracy (Continuous Level): 0.0630 +/-inch
  • Repeatability (Point Level): 0.0390 +/-inch
  • Switch Type: Solid-state switch 
View Datasheet
POS -- POS187312
from Honeywell Sensing and Control

POS Series optical liquid level sensor...[See More]

  • Media Type: Liquid 
  • Configuration (Normal State): Normally Closed (NC) 
  • Switch Type: Solid-state switch 
  • Max Current Rating: 0.2000 amps
Similar parts from Honeywell Sensing and Control
POS -- POS187314 , POS -- POS287312 , POS -- POS287314
View Datasheet
Float Level Switch
from K-TEK

Trip points adjustable without removing vessel from service...[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, Double Throw (SPDT) 
Similar parts from K-TEK
Float Level Switch -- MS-10
View Datasheet
Bypass Level Gauge -- NBK Series
from KOBOLD Instruments, Inc.

KOBOLD bypass level gauges are used in applications requiring continuous measurement, indication and control of liquid levels. Any medium with viscosity less than 200 cPs is a candidate. KOBOLD's bypass design relies on the hydrostatic pressure principle...[See More]

  • Media Type: Liquid 
  • Accuracy (Continuous Level): 0.4000 +/-inch
  • Measuring Range: ? to 236 inch
  • Switch Type: Electro-mechanical switch 
View Datasheet
M Series Adjustable Series -- M4302-7807-1
from Madison Company

In the M4302-7807-1, downward switch height adjustment by the end user can be as much as 2", and an upward adjustment can be as much as 9". This would allow a series of tanks to use the same level switch configuration and provide easier field adjustments for low level indication. Multi-level...[See More]

  • Media Type: Liquid 
  • Configuration (Normal State): Normally Closed (NC) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Single Throw (SPST) 
View Datasheet
NIVOMAG -- MKA-21
from Nivelco USA

FEATURES :: Operation without power supply Micro-switch separated from process All wetted parts stainless steel Side or top mounting Fixed or adjustable switch differential Submersible versions Various process connections Operational check via optional tester Explosion-proof...[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, Double Throw (SPDT) 
View Datasheet
Pneumatic Float Valve -- OKC-1536-1
from O'Keefe Controls Co.
Stainless steel float, brass body, magnetic float valve, controls air
  • Media Type: Liquid 
  • Maximum Operating Pressure: 350 psi
  • Configuration (Normal State): Normally Closed (NC) 
  • Mounting Options: Side mount 
View Datasheet
Conductive Level Controller -- 61F-D21T-V1
from Omron Electronics LLC

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) 
View Datasheet
Optical Liquid Level Switch -- OLM01T...
from Sensortechnics, Inc.
TTL compatible version, 10 mA output current, SS-housing
  • Media Type: Liquid 
  • Switch Type: Solid-state switch 
  • Repeatability (Point Level): 0.0400 +/-inch
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
View Datasheet
Float Switch
from Uehling Instrument Company

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) 
View Datasheet