Specifications

Product Type

Liquid Level Monitoring Relay

Brand

ABB

Series

CM-ENS.1

Function Liquid level monitoring and control; fill or drain applications	Rated Control Supply Voltage (Us) 110 to 130 V AC; 220 to 240 V AC	Rated Insulation Voltage (Ui) 300 V
Rated Operational Voltage (Ue) 250 V AC	Rated Operational Current AC-15 (Ie) 3:00 AM	Timing Range Maximum 1.3 s start-up time; maximum 1000 ms measuring cycle
Measuring Range 5 to 100 kO	Rated Frequency 50/60 Hz	Terminal Type Screw connection
Rated Operational Current AC-12 (Ie) 4:00 AM	Rated Operational Current DC-12 (Ie) 4:00 AM	Rated Operational Current DC-13 (Ie) 2:00 AM
Minimum Switching Capacity 12 V / 10 mA	Output 1 c/o (SPDT) contact	Short-Circuit Protective Devices 6 A fast-acting (n/c contact); 10 A fast-acting (n/o contact)
Electrical Life 100000 cycle

Conductor Cross Section Flexible

1 x 0.5 to 2.5 mm²; 2 x 0.5 to 1.5 mm²

Conductor Cross Section Solid Core

1 x 0.5 to 4 mm²; 2 x 0.5 to 2.5 mm²

Housing Material

UL 94 V-0

Depth 103.7 mm	Height 85.6 mm	Weight 0.153 kg
Width 22.5 mm

Storage Temperature

-40 to 85 °C

Operating Temperature

-25 to 60 °C

IP Rating

IP50 (housing); IP20 (terminals)

Standards and Approvals

IEC/EN 60947-5-1; IEC/EN 60255-27

ABB CM-ENS.13S Liquid Level Monitoring Relay 5-100kOhm 110-130VAC 220-240VAC 3 -Electrode 1CO SPDT 4A