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KTH Series Thermal Overload Relay
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Application
The thermal overload relay 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:GTH-22,40,85)
■Safety cover
The finger proof safety cover prevent careless touch of electric conductor(Applied model:GTH-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 GTH-22,40,85
■Easy operation
Types and ratings
Ratings
Type
kTH-22
kTH-40
kTH-85
Nominal curren
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
1.8VA/heater
1.8VA/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
kTH-22/3
kTH-40/3
kTH-85/3
Differential
kTK-22
kTK-40
kTK-85
Delay open
kTH-22/L
kTH-40/L
kTH-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
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