
STH Type熱過載繼電器Thermal Overload Relay
Type : STH Type
Thermal Overload Relay prevents the burning of line and network with the overload and lock of motor.
▷ Available in Safety Cover installation
Installation of Safety Cover for the prevention of contact is available for live parts not to contact with human body (Safety Cover is the customer option).
▷ Power/Apparatus part Separation structure
Main power and Apparatus part are designed to be separated so that safety is improved.
▷ User-friendly Front-side operation
It is very convenient to use because current setting, manual-auto reset function, trip indicative window are arranged on the Front-side operation part.
▷ Temperature-compensative Bi-metal applied
There is no need to compensate temperature separately according to the change in ambient temperature (Applied ambient temperature: -10℃ ~ +60℃).
Subject | Type | STH-22 | STH-40 | STH-85 | ||||||
Standard Rating | Adjustment | Adjustment | Adjustment | |||||||
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 | |||||||
Combination of Contactor | TMC-9,12,18,22 | TMC-32,40 | TMC-50,65,75,85 | |||||||
Combination of Switch | TMS-9,12,18,22 | TMS-32,40 | TMS-50,65,75,85 |
Subject | Type | STH-100 | STH-150 | STH-220 | ||||||
Standard Rating | Adjustment | Adjustment | Adjustment | |||||||
Min | Mid | Max | Min | Mid | Max | Min | Mid | Max | ||
Rated current (A) | 41 | 31 | 41 | 50 | 31 | 41 | 50 | |||
48 | 39 | 48 | 57 | 39 | 48 | 57 | ||||
56 | 43 | 56 | 65 | 43 | 56 | 65 | ||||
67 | 54 | 67 | 80 | 54 | 67 | 80 | ||||
80 | 65 | 80 | 100 | 65 | 80 | 100 | 65 | 80 | 100 | |
107 | 85 | 107 | 125 | 85 | 107 | 125 | 85 | 107 | 125 | |
130 | 100 | 130 | 150 | 100 | 130 | 150 | ||||
150 | 120 | 150 | 180 | |||||||
200 | 150 | 200 | 240 | |||||||
Combination of Contactor | TMC-100,125 | TMC-150 | TMC-180,220 | |||||||
Combination of Switch | TMS-100,125 | TMS-150 | TMS-180,220 |
Subject | Type | STH-400 | ||
Standard Rating | Adjustment | |||
Min | Mid | Max | ||
Rated current | 107 | 85 | 107 | 125 |
130 | 100 | 130 | 160 | |
150 | 120 | 150 | 180 | |
200 | 160 | 200 | 240 | |
250 | 200 | 250 | 300 | |
350 | 260 | 350 | 400 | |
500 | ||||
600 | ||||
Combination of Contactor | TMC-300,400 | |||
Combination of Switch | TMS-300,400 |