CM-ENS.11S

Name: CM-ENS.11S
Brand: ABB
SKU: CM-ENS.11S

The ABB CM-ENS.11S is a reliable liquid level monitoring relay designed for DIN rail mounting. It measures conductive fluid levels with high accuracy, featuring adjustable sensitivity and robust connectivity options.

Product ModelCM-ENS.11S

Material Number1SVR730850R0100

Product ID84190

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Accurate Conductivity MeasurementThe CM-ENS.11S measures the electrical resistance of the liquid between two immersion electrodes and a reference electrode, providing precise conductivity measurements.
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2. Adjustable SensitivityThe relay offers adjustable sensitivity, allowing users to fine-tune the measurement range from 5 to 100 kΩ to suit various applications.
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3. Robust Connectivity OptionsEquipped with screw terminals, the CM-ENS.11S ensures reliable and easy connections, making it suitable for both rigid and flexible wires.
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4. Compact and Space-Saving DesignThe compact housing of the CM-ENS.11S fits perfectly on DIN rail, saving space in control panels and ensuring a clean installation.

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

0.124 kg

Function

Filling or draining monitoring

Number of Electrodes

5. High Fire Protection and Environmental FriendlinessThe product is made from environmentally friendly materials and has a high fire protection rating, ensuring safety in industrial environments.

Rated Control Supply Voltage (Us)

24 ... 240 V AC/DC

Rated Frequency (f)

Supply Circuit 50/60 Hz

Output

1 c/o (SPDT) contact

Terminal Type

Screw Terminals

Rated Operational Current AC-12 (Ie)

(230 V) 4 A

Rated Operational Current AC-15 (Ie)

(230 V) 3 A

Rated Operational Current DC-12 (Ie)

(24 V) 4 A

Rated Operational Current DC-13 (Ie)

(24 V) 2 A

Minimum Switching Capacity

12 V 10 mA

Rated Impulse Withstand Voltage (Uimp)

Measuring Circuit / Output Circuit 4 kV Output Circuit 1 / Output Circuit 2 4 kV Supply Circuit / Measuring Circuit 4 kV Supply Circuit / Output Circuit 4 kV

Rated Insulation Voltage (Ui)

Measuring Circuit / Output Circuit 300 V Output Circuit 1 / Output Circuit 2 300 V Supply Circuit / Measuring Circuit 300 V Supply Circuit / Output Circuit 300 V

Degree of Protection

Housing IP50 Terminals IP20

Overvoltage Category

III

Pollution Degree

Short-Circuit Protective Devices

Output Circuit NC - F Type Fuses 6 A Output Circuit NO - F Type Fuses 10 A

Electrical Durability

AC-12 100000 cycle

Mechanical Durability

1000000 cycle

Connecting Capacity

Flexible with Ferrule 1x 0.5 ... 2.5 mmÂ² Flexible with Ferrule 2x 0.5 ... 1.5 mmÂ² Flexible with Insulated Ferrule 1x 0.5 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mmÂ² Flexible 1x 0.5 ... 2.5 mmÂ² Flexible 2x 0.5 ... 1.5 mmÂ² Rigid 1x 0.5 ... 4 mmÂ² Rigid 2x 0.5 ... 2.5 mmÂ²

Tightening Torque

0.6 ... 0.8 NÂ·m Control Circuit 0.9 NÂ·m Main Circuit 1 NÂ·m

Wire Stripping Length

8 mm Main Circuit 10 mm

Recommended Screw Driver

0.8 x 4 4.5 Pozidriv 1

Mounting Position

1 ... 5 1 ... 6

Mounting on DIN Rail

TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715

Standards

CAN/CSA C22.2 No.14 IEC/EN 63000 IEC/EN 60255-27 IEC/EN 61000-6-2 IEC/EN 61000-6-3 UL 508

Maximum Operating Voltage UL/CSA

Output Circuit 300 V AC

Contact Rating UL/CSA

B300

Connecting Capacity UL/CSA

Flexible 1x 18-14 AWG Flexible 2x 18-16 AWG Rigid 1x 20-12 AWG Rigid 2x 20-14 AWG

Tightening Torque UL/CSA

7.08 inÂ·lb

Pilot Duty UL/CSA

B300

Ambient Air Temperature

Operation -25 ... +60 Â°C Storage -40 ... +85 Â°C

Maximum Operating Altitude Permissible

Without Derating 2000 m

Object Classification Code

ETIM 7

EC001447 - (Fill) level monitoring relay

ETIM 8

EC001447 - (Fill) level monitoring relay

ETIM 9

EC001447 - (Fill) level monitoring relay

eClass

V11.0 : 27371813

UNSPSC

39122331

E-Number (Finland)

2712566

E-Number (Norway)

4189433

Manufacturer ID

1SVR730850R0100