The ABB CM-ENS.31S liquid level monitoring relay provides accurate control and monitoring of conductive fluids with adjustable response sensitivity and ON/OFF delay.
Product ModelCM-ENS.31S
Material Number
1SVR730850R0300
Product ID84942
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Accurate Level MonitoringThe CM-ENS.31S measures the electrical resistance of the liquid between two immersion electrodes and a reference electrode, ensuring precise level monitoring in conductive fluids.
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2. Adjustable Response SensitivityWith a response sensitivity range of 0.1-1000 kΩ, the relay can be tailored to suit various fluid properties, providing optimal performance in different applications.
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3. ON/OFF Delay FunctionalityThe selectable ON/OFF delay feature prevents accidental tripping due to wave formation in the tank, ensuring stable operation and minimizing false alarms.
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4. Multi-Alarm FunctionsThe relay supports min/max level alarming, fill/drain applications, and dry-running protection, making it a versatile solution for various industrial needs.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Product Net Width
22.5 mm
Product Net Height
85.6 mm
Product Net Depth / Length
103.7 mm
Product Net Weight
0.143 kg
Function
Filling or draining monitoring
Number of Electrodes
3
5
5. High EMC Immunity and DurabilityDesigned with high EMC immunity and durable construction, the CM-ENS.31S ensures reliable operation in harsh industrial environments, minimizing downtime and maintenance needs.
