GTH Thermal Overload Relay
Application:
This series of thermal overload relay can be used in the circuit of 50/60Hz, rated insulation voltage 660V, rated current 0.1-85A for protecting the phase break when the electric motor is overload. The relay has different mechanism and temperature compensation & can be pluged in GMC series AC contactor. The products comply with IEC 60947-5.
Specifications:
| Type | Thermal component | |
| Rated current (A) | Regular or scale of rated current (A) | |
| GTH-22 | 0.14 | 0.10-0.16 |
| 0.21 | 0.16-0.25 | |
| 0.33 | 0.25-0.40 | |
| 0.52 | 0.40-0.63 | |
| 0.82 | 0.63-1.0 | |
| 1.3 | 1.0-1.6 | |
| 2.1 | 1.6-2.5 | |
| 3.3 | 2.5-4.0 | |
| 5 | 4.0-6.0 | |
| 6.5 | 5.0-8.0 | |
| 7.5 | 6.0-9.0 | |
| 8.5 | 7.0-10.0 | |
| 11 | 9.0-13.0 | |
| 15 | 12.0-18.0 | |
| 19 | 16.0-22.0 | |
| GTH-40 | 5 | 4.0-6.0 |
| 6.5 | 5.0-8.0 | |
| 7.5 | 6.0-9.0 | |
| 8.5 | 7.0-10.0 | |
| 11 | 9.0-13.0 | |
| 15 | 12.0-18.0 | |
| 19 | 16.0-22.0 | |
| 22 | 18.0-26.0 | |
| 30 | 24.0-36.0 | |
| 34 | 28.0-40.0 | |
| GTH-85 | 8.5 | 7.0-10.0 |
| 11 | 9.0-13.0 | |
| 15 | 12.0-18.0 | |
| 19 | 16.0-22.0 | |
| 22 | 18.0-26.0 | |
| 30 | 24.0-36.0 | |
| 34 | 28.0-40.0 | |
| 42 | 34.0-50.0 | |
| 55 | 45.0-65.0 | |
| 65 | 54.0-75.0 | |
| 74 | 63.0-85.0 | |
