Thermal Overload Relay
TH-K

TH-K

Model Reference

thermal-relay-thk12TH-K12
thermal-relay-thk20TH-K20
thermal-relay-thk60TH-K60
    thermal-relay-thk-code

Application

    TH-K series thermal overload relays are suitable for overload protection of AC motor operated on 8-hour duty or uninterrupted duty. The overload protected AC motor with frequency 50Hz,voltage up to 660V, current up to 40A. Several functions provided by these relays are phase-failure protection,temperature compensation,ON/OFF indication and manual/automatic reset.The relays comply with IEC292-1 standard.

Technical Data

Type Setting range(A) Forcontactor
TH-K12Z 0.2~0.28 S-K10
S-K11
S-K12
S-K18
S-K20
S-K21
0.4~0.6
0.55~0.85
0.7~1.1
1~1.6
1.4~2
1.7~2.5
2~3
2.8~4.4
4~6
5.2~8
7~11
9~13
TH-K20F 0.2~0.28 S-K18
S-K20
S-K21
S-K25
S-K35
0.28~0.42
0.4~0.6
0.55~0.85
0.7~1.1
1~1.6
1.4~2
1.7~2.5
2~3
2.8~4.4
4~6
5.2~8
7~11
9~13
12~18
16~22
18~26
24~34
30~40
TH-K60F 12~18 S-K50
S-K65
S-K80
S-K95
16~22
18~26
24~34
30~40
34~50
43~65
54~80
65~93
85~105

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