Switch-Pro™ AX13 with Compact Level Controller



Intended for side wall installation, the general purpose level switch package provides reliable liquid level detection with a 16A compact level controller for pump or valve control. The optional flash alarm brings attention to alarm conditions. Offered in two level sensor technologies, select the type and material based upon your application media. This liquid level switch package is widely applied in bulk storage and process tank level applications for high level control or low level control. 

Ultrasonic Level Sensor
Broadly applied in chemicals and light weight oils 

Vibration Level Sensor
Applied in wastewater with light coating or scaling


 Rugged polypropylene, Ryton® or PFA sensor for corrosive liquid applications

 Fail-safe relay control of pumps or valves with 0-60 second delay

 Polypropylene enclosure rated NEMA 4X with swivel base for conduit alignment

 Optional strobe brings immediate attention to level alarm conditions

 Invert switch changes relay state from NO to NC without rewiring

 Offered in 2 sensing technologies for broad application coverage: ultrasonic & vibration



Accuracy: ± 1mm in water
Repeatability: ± 0.5mm in water
LED indication: Sensor, power & relay
Supply voltage: 120 / 240 VAC @ 50-60 Hz.
Consumption: 0.25A maximum
Strobe type: -X12X: N/A
-X11X: Xenon tube
Strobe flash: -X12X: N/A
-X11X: (1) per second
Contact type: (1) SPST relay
Contact rating: 250 VAC @ 10A
Contact output: Selectable NO / NC
Contact delay: 0-60 seconds
Process temp.: F: -40° to 176°
C: -40° to 80°
Ambient temp.: F: -40° to 140°
C: -40° to 60°
Pressure: 150 psi (10 bar) @ 25º
C, derated @ 1.667
psi (0.113 bar) per ºC
above 25º C
Enclosure rating: NEMA 4X (IP65)
Enclosure mat.: -X11X: PP, UL94VO & PC
-X12X: PP, UL94VO
Conduit entrance: 1/2" NPT
Wetted material: AZ13-11XX: Ryton®
AU13-11XX: PP
AU13-21XX: PFA
Process mount: 3/4" NPT (3/4" G)
Mount. gasket: Viton®
Classification: General purpose
Compliance: CE

Ultrasonic Level Sensor - LU10

Vibration Level Sensor - LZ12

Buoyancy Level Sensor - LV10


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