WENZHOU SANTUO ELECTRICAL CO.,LTD.
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GENERAL
STSp Series AC Contactor is suitable for using in the circuits the rated voltage up to 660V AC 50Hz or 60Hz, rated current up to 95A, for making & breaking, frequently starting & controlling the AC motor. Combined with the auxiliary contact block, timer delay & machine- interlocking device etc, it becomes the delay contactor, mechanical interlocking contactor, star-delta starter. With the thermal relay, it is combined into the electromagnetic starter. The Contactor is produced according to IEC 60947-1.
Magnetic blowouts use blowout coils to lengthen and move the electric arc. These are especially useful in DC power circuits. AC arcs have periods of low current, during which the arc can be extinguished with relative ease, but DC arcs have continuous high current, so blowing them out requires the arc to be stretched further than an AC arc of the same current. The magnetic blowouts in the pictured Albright contactor (which is designed for DC currents) more than double the current it can break, increasing it from 600 A to 1,500 A.
| Type | AC1 Duty |
AC3 Duty | Life Time (X104) |
Aux. Contact |
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| 200~240V | 380~400V | 500~550V | 690V | Electrical Mechanical |
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| STSP-9 | 20A | 2.5KW11A | 5KW9A | 4KW7A | 4KW7A | 250 | 2500 | 1NO1NC |
| STSP-12 | 20A | 3.5KW13A | 5.5KW12A | 7.5KW12A | 7.5KW9A | 250 | 2500 | |
| STSP-18 | 25A | 4.5KW18A | 7.5KW18A | 7.5KW13A | 7.5KW9A | 250 | 2500 | |
| STSP-22 | 32A | 5.5KW22A | 11KW22A | 15KW22A | 15KW18A | 250 | 2500 | |
| STSP-32 | 50A | 7.5KW32A | 15KW32A | 18.5KW28A | 18.5KW21A | 200 | 1500 | 2NO2NC |
| STSP-40 | 60A | 11KW40A | 18.5KW40A | 22KW32A | 22KW25A | 200 | 1500 | |
| STSP-50 | 80A | 15KW55A | 22KW50A | 30KW43A | 30KW33A | 200 | 1500 | |
| STSP-65 | 100A | 18KW65A | 30KW65A | 37KW60A | 37KW47A | 200 | 1500 | |
| STSP-75 | 110A | 22KW75A | 37KW75A | 45KW64A | 45KW47A | 200 | 1500 | |
| STSP-85 | 135A | 25KW85A | 45KW85A | 45KW75A | 45KW57A | 200 | 1500 | |