Specifications
MRD Thermal Overload RelayApplication
This series of thermal overload relay can be used in the circuit of 50Hz or 60Hz, rated insulation voltage 660V, rated current 0.1-140A for protecting the phase break when the electric motor is overload.
The relay has different mechanism and temperature compensation & can be pluged in MRC1-D series AC contactor. It is the most advanced thermal relay in the nineties in the world. The products comply with IEC 60947-5.
Specifications
Type | Rated working curren | Thermal component | |||
Rated current (A) | Regular or scale of rated current (A) | ||||
MRD13 | 25 | MRD | 1301 | 0.16 | 0.10-0.16 |
1302 | 0.25 | 0.16-0.25 | |||
1303 | 0.40 | 0.25-0.40 | |||
1304 | 0.63 | 0.40-0.63 | |||
1305 | 1.0 | 0.63-1.0 | |||
1306 | 1.6 | 1.0-1.6 | |||
1307 | 2.5 | 1.6-2.5 | |||
1308 | 4.0 | 2.5-4.0 | |||
1310 | 6.0 | 4.0-6.0 | |||
1312 | 8.0 | 5.5-8.0 | |||
1314 | 10.0 | 7.0-10.0 | |||
1316 | 13.0 | 9.0-13.0 | |||
1321 | 18.0 | 12.0-18.0 | |||
1322 | 25.0 | 17.0-25.0 | |||
MRD23 | 38 | MRD | 2353 | 32 | 23.0-32.0 |
2355 | 38 | 28.0-36.0 | |||
MRD33 | 140 | MRD | 3353 | 32 | 23.0-32.0 |
3355 | 40 | 30.0-40.0 | |||
3357 | 50 | 37.0-50.0 | |||
3359 | 65 | 48.0-65.0 | |||
3361 | 70 | 55.0-70.0 | |||
3363 | 80 | 63.0-80.0 | |||
3365 | 104 | 80.0-104.0 | |||
3367 | 120 | 95.0-120.0 | |||
3369 | 140 | 110.0-140.0 | |||
MRD43 | 140 | MRD | 4365 | 104 | 80.0-104.0 |
4367 | 120 | 95.0-120.0 | |||
4369 | 140 | 110.0-140.0 | |||
