Application

The general purpose level switch package provides automatic tank filling or emptying up to 10' (3m) between two adjustable level switch points. The compact level controller with optional strobe provides one latching 16A relay for pump or valve control. Offered in three level sensor technologies, select the type based upon your application media. This polypropylene liquid level switch package is widely selected for sump, process and day tank level applications.

Ultrasonic Level Sensor

Broadly applied in chemicals and light weight oils Available in Ryton®

Vibration Level Sensor

Applied in wastewater with light coating or scaling Available in PP or PFA

Buoyancy Level Sensor

Applied in clean water and non-coating chemicals Available in PP or PVDF

Features

	Fail-safe relay control of pumps or valves with 0-60 second delay
	Offered in 3 sensing technologies for broad application coverage: ultrasonic, vibration & buoyancy
	Easy setup with LED indicators for sensor, power and relay status
	Rugged polypropylene construction for use in corrosive liquid environments
	Adjustable level switch cars enable sensor adjustment in the field
	Invert switch changes relay state from NO to NC without rewiring

Specifications

Length:	8" to 10' (20cm to 3m)
Accuracy:	± 1mm in water
Repeatability:	± 0.5mm in water
Orientation:	± 20° vertical
Switch points:	2 (field adjustable)
LED indication:	Power, relay & sensor
Supply voltage:	120 / 240 VAC @ 50-60 Hz
Consumption:	0.25A maximum
Strobe type:	-431X: N/A -432X: Xenon tube
Strobe flash:	-431X: N/A -432X: 1 per second
Contact type:	(1) SPDT relay, latching
Contact rating:	250 VAC @ 10A
Contact output:	Selectable NO / NC
Contact delay:	0-60 seconds
Contact latch:	Selectable ON / OFF
Process temp.:	F: -40° to 176° C: -40° to 80°
Ambient temp.:	F: -40° to 140° C: -40° to 60°
Ambient temp.:	431_: 5.7" (14.4cm) 432_: 7.4" (18.8cm)
Pressure:	Atmospheric
Enclosure rating:	NEMA 4X (IP65)
Enclosure mat.:	-432X: PP, UL94VO & PC -431X: PP, UL94VO
Conduit entrance:	1/2" NPT
Wetted material:	PP (20% glass fill)
Process mount:	2" NPT (2" G)
Classification:	General purpose
Compliance:	CE