Product Code: CM-ESS.MS

Specifications

Product Type	Voltage monitoring relay
Brand	ABB
Series	CM-ESS.M
Function	Over- and undervoltage monitoring; open- or closed-circuit principle and latching configurable
Electrical Endurance	100000 cycle
Operating Current	4A (230V, AC-12)
Over Voltage Category	III
Rated Control Supply Voltage (Us)	24 to 240 V AC/DC
Rated Impulse Withstand Voltage (Uimp)	Measuring Circuit / Output Circuit 6 kV Output Circuit 1 / Output Circuit 2 4 kV Supply Circuit / Measuring Circuit 6 kV Supply Circuit / Output Circuit 4 kV
Rated Insulation Voltage (Ui)	600 V (supply, measuring and output circuits); 250 V (between output circuits)
Rated Operational Current AC-15 (Ie)	3 A
Timing Range	0.1-30 s
Contact Configuration	2 C/O (SPDT)
Measuring Range	3 to 30 V; 6 to 60 V; 30 to 300 V; 60 to 600 V AC/DC
Output Type	2CO SPDT
Rated Current	4 A
Rated Frequency	50/60 Hz
Rated Voltage	24-240 VAC/VDC
Terminal Type	Screw terminals
Rated Operational Current AC-12 (Ie)	4 A
Rated Operational Current DC-12 (Ie)	4 A
Rated Operational Current DC-13 (Ie)	2 A
Time Range	0 s; 0.1 to 30 s
Minimum Switching Capacity	24 V / 10 mA
Rated Operational Voltage (AC/DC)	250 V
Output	2 c/o (SPDT) contacts
Short-Circuit Protective Devices	10 A fast-acting (n/c contact); 10 A fast-acting (n/o contact)
Busbar Dimensions	85.6Hx22.5Wx 103.7D mm
Mechanical Durability	30000000 cycle
Colour	U/T: Green, U: Red, R: Yellow
Conductor Cross Section Flexible	2 x 0.75 to 2.5 mm²
Conductor Cross Section Solid Core	2 x 0.5 to 4 mm²
Connecting Capacity	Flexible with Ferrule 1x 0.5 ... 2.5 mm² Flexible with Ferrule 2x 0.5 ... 1.5 mm² Flexible with Insulated Ferrule 1x 0.5 ... 2.5 mm² Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mm² Flexible 1x 0.5 ... 2.5 mm² Flexible 2x 0.5 ... 1.5 mm² Rigid 1x 0.5 ... 4 mm² Rigid 2x 0.5 ... 2.5 mm²
Housing Material	PA 6
Mounting Type	35 x 15 mm DIN Rail 35 x 7.5 mm DIN Rail
Tightening Torque	0.6 - 0.8 Nm
Depth	100 mm
Height	78 mm
Weight	0.145 kg
Width	22.5 mm
Pollution Degree	3
Storage Temperature	-40 to 85 °C
Operating Temperature	-20 to 60 °C
IP Rating	IP50 (housing); IP20 (terminals)
Standards and Approvals	IEC/EN 60255-6; UL 508; CAN/CSA C22.2 No. 14; CCC; RMRS; CE