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FNKH Series Thermal Overload Relay
● Application
    The TOR protect the motors Overload,Locking ,Open phase(differential)
● Characteristics
■Direct mounting structure
The TOR is mounting directly to the Magnetic Contactors without addition brackets.(Applied model:UKTH-22,40,85)
■Safety cover
The finger proof safety cover prevent careless touch of electric conductor(Applied model:UKTH-22,40,85)
■Separation of power part and operation part
The main circuit and the operation part are separately designed and the operation part is commonly used in UKTH-22,40,85)
●Types and Ratings
Ratings Type FNKH-22 FNUA-04 FNUA-08
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 16 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 40
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 1NO1NC 1NO1NC 1NO1NC
Reset type Auto/Manual Auto/Manual Auto/Manual
Power consumption 1.8VA/heater 2.0VA/heater 3.5VA/heater
Dimension(mm)(WXHXD) 44x63x90 53x67x90 70x73x103
Separate mounting unit AZ-22H AZ-40H AZ-85H
Other model 3heaters GTH-22/3 GTH-10/3 GTH-85/3
Differential GTK-22 GTK-40 GTK-85
Delay open GTH-22/L GTH-40/L GTH-85/L
Applied contactors GMC-9,12,18,22 GMC-32,40 GMC-50,65,75,85
Applied switches GMS-9,12,18,22 GMS-32,40 GMS -50,65,75,85

FNKH Series Thermal Overload Relay
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