| Product Type |
Voltage monitoring relay |
| Brand |
ABB |
| Series |
CM-ESS.2 |
| Function |
Overvoltage or undervoltage monitoring |
| Electrical Endurance |
100000 cycle |
| Operating Current |
4A (230V, AC-12) |
| Over Voltage Category |
III |
| Rated Control Supply Voltage (Us) |
110 to 130 V AC |
| 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 |
110-130 VAC |
| Terminal Type |
Screw type 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 |
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 |
| 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 |
UL 94 V-0 |
| Mounting Type |
35 x 15 mm DIN Rail
35 x 7.5 mm DIN Rail |
| Tightening Torque |
0.6 - 0.8 Nm |
| Depth |
103.7 mm |
| Height |
85.6 mm |
| Weight |
0.181 kg |
| Width |
22.5 mm |
| Pollution Degree |
3 |
| 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; EN 50178; EN 50155; IEC 60571; IEC/EN 61373; EN 45545-2 |