Thermal Overload Relay

GTH, GTK

Model Reference

GTH-22GTH-22
GTH-40GTH-40
GTH-85GTH-85
    Model Reference

Application

  • GT series thermal overload relay are suitable for overload and phase-failure protection of AC motors with frequency of 50/60Hz,voltage up to 690v,current up to 0.1~85A under 8-hours duty or uninterrupted duty.
  • Functions provided by these relays, are phase-failure protection, temperature compensation, ON/OFF indication ,Stop button,Test button and manual/automatic reset.

Technical Data

Type Setting
range
Norminal current Aux. Contact
(option)
Applied
contactors
Min Med Max
GTH-22
GTK-22
0.14 0.1 0.14 0.16 1NO 1NC
Auto/ manual
GMC-9
12
18
22
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
6.5 5 6.5 8
7.5 6 7.5 9
8.5 7 8.5 10
11 9 11 3
15 12 15 18
19 16 19 22
GTH-40
GTK-40
5 4 5 6 1NO 1NC
Auto/ manual
GMC-32
40
6.5 5 6.5 8
7.5 6 7.5 9
8.5 7 8.5 10
11 9 11 13
15 12 15 18
19 16 19 22
22 18 22 26
30 24 30 36
34 28 34 40
GTH-85
GTK-85
8.5 7 8.5 10 1NO 1NC
Auto/ manual
GMC-50
65
75
85
11 9 11 13
15 12 15 18
19 16 19 22
22 18 22 26
30 24 30 36
34 28 24 40
42 34 42 50
55 45 55 65
65 54 65 75
74 63 74 85

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