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Thermal Overload Relay
CGTH Thermal Overload Relay
The TOR Protects the motors, Locking, Open phase (differential)
2. Characteristics of CGTH Thermal Overload Relay:
A. Direct mounting structure
The TOR is mounting directly to the Magnetic Contactors without additional brackets.
(Applied model; CGTH-22, 40, 85)
B. Safety cover
The finger proof safety cover prevent careless touch of electric conductor(Applied model: CGTH-22, 40, 85)
C. Separation of power part and operation part
The main circuit and operation part are separately designed and the operation part id commonly used in CGTH-22, 40, 85
D. Easy operation
3. Tyres and Ratings of Thermal Overload Relay:
| Ratings | Type | CGTH-22 | CGTH-40 | CGTH-85 | ||||||||
| Nominal current | Ranges | Ranges | Ranges | |||||||||
| Min | Mid | Max | Min | Mid | Max | Min | Mid. | Max. | ||||
| Rated current (A) | 0.14 | 0.1 | 0.14 | 0.16 | ||||||||
| 0.21 | 0.16 | 0.21 | 0.25 | |||||||||
| 0.33 | 0.25 | 0.33 | 0.4 | |||||||||
| 0.52 | 0.4 | 0.52 | 0.63 | |||||||||
| 0.82 | 0.63 | 0.82 | 1 | |||||||||
| 1.3 | 1 | 1.3 | 1.6 | |||||||||
| 2.1 | 1.6 | 2.1 | 2.5 | |||||||||
| 3.3 | 2.5 | 3.3 | 4 | |||||||||
| 5 | 4 | 5 | 6 | 4 | 5 | 6 | ||||||
| 6.5 | 5 | 6.5 | 8 | 5 | 6.5 | 8 | ||||||
| 7.5 | 6 | 7.5 | 9 | 6 | 7.5 | 9 | ||||||
| 8.5 | 7 | 8.5 | 10 | 7 | 8.5 | 10 | 7 | 8.5 | 10 | |||
| 11 | 9 | 11 | 13 | 9 | 11 | 13 | 9 | 11 | 13 | |||
| 15 | 12 | 15 | 18 | 12 | 15 | 18 | 12 | 15 | 18 | |||
| 19 | 16 | 19 | 22 | 12 | 19 | 22 | 16 | 19 | 22 | |||
| 22 | 18 | 22 | 26 | 18 | 22 | 26 | ||||||
| 30 | 24 | 30 | 36 | 24 | 30 | 36 | ||||||
| 34 | 28 | 34 | 40 | 28 | 34 | 40s | ||||||
| 42 | 34 | 42 | 50 | |||||||||
| 55 | 45 | 55 | 65 | |||||||||
| 65 | 54 | 65 | 75 | |||||||||
| 74 | 63 | 74 | 85 | |||||||||
| Element No. | 2heaters | Standard | Standard | Standard | ||||||||
| 3heaters | Option | Option | Option | |||||||||
| Aux. contact | 1NO1NG | 1NO1NG | 1NO1NG | |||||||||
| Reset type | Auto/Manual | Auto/Manual | Auto/Manual | |||||||||
| Power consumption | 1.8VA/ heater | 2.0VA /heater | 3.5VA/ heater | |||||||||
| Dimension (mm)(W*H*D) | 44*63*90 | 53*67*90 | 70*73*103 | |||||||||
| Separate mounting unit | AZ-22H | AZ-40H | AZ-85H | |||||||||
| Other model | 3heaters | CGTH-22/3 | CGTH-40/3 | CGTH-85/3 | ||||||||
| Differential | CGTK-22 | CGTK-40 | CGTK-85 | |||||||||
| Delay open | CGTH-22/L | CGTH-40/L | CGTH-85/L | |||||||||
| Applied contactors | CGMC-9,12,18,22 | CGMC-32,40 | CGMC-50,65,75,85 | |||||||||
| Applied switches | CGMS-9,12,18,22 | CGMS-32,40 | CGMS-50,65,75,85 | |||||||||
CGTH Series Thermal Overload Relay 
