General
Type of electric connection	Screw connection
Number of inputs for electrodes	2
Min. adjustable operate delay time	0
Max. permitted operate delay time	0
Min. adjustable off-delay time	0
Max. permitted off-delay time	0
Number of contacts as normally closed contact	1
Number of contacts as normally open contact	1
Number of contacts as change-over contact	1
Physical measurement principle	Conductive
Width	22.5
Height	78
Depth	78.5
Operating voltage at AC 50 Hz	230
Operating voltage at AC 60 Hz	230
Rated switch current	4
Supply voltage AC 50 Hz	240
Supply voltage AC 60 Hz	240
Voltage type (operating voltage)	AC
Voltage type of supply voltage	AC
With detachable clamps
Response value sensitivity adjustable
Cascadable

Level monitoring relays from ABB for controlling and regulating the levels and mixing ratios of electrically conductive liquids. Single function and multi-function monitoring relays are available, which can be used for overflow and dry-running protection, filling and emptying, max. and min. alarms or any combination of these functions. A wide range of accessories is also available.