ST-1D
APPLICATION
ST1-D AC Contactor is suitable for using in the circuits up to the rated voltage 660v,AC 50hz or 60hz,rated current up to 95A,for making ,breaking frequently starting &machine-interlocking device etc,it becomes the dalay contactor,mechanical interlocking contactor,star-delta starter.with the thermal relay,it is combined into the electromagnetic starter.The contactor is produced according to IEC947-2,VDE0660&BS5442
SPECIFICATION
| Type | ST1-D09 | ST1-D12 | ST1-D18 | ST1-D25 | ST1-D32 | ST1-D40 | ST1-D50 | ST1-D65 | ST1-D80 | ST1-D95 | |
| Rated workingcurrent (A) | AC3 | 9 | 12 | 18 | 25 | 32 | 40 | 50 | 65 | 80 | 95 |
| AC4 | 3.5 | 5 | 7.7 | 8.5 | 12 | 18.5 | 24 | 28 | 37 | 44 | |
| Standardpower ratingsof 3-phase motors 50/60Hz incategory AC-3 | 220/230V | 2.2 | 3 | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 25 |
| 380/400V | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 | |
| 415V | 4 | 5.5 | 9 | 11 | 15 | 22 | 25 | 37 | 45 | 45 | |
| 500V | 5.5 | 7.5 | 10 | 15 | 18.5 | 22 | 30 | 37 | 55 | 55 | |
| 660/690V | 5.5 | 7.5 | 10 | 15 | 18.5 | 30 | 33 | 37 | 45 | 55 | |
| Rated heat current (A) | 20 | 20 | 32 | 40 | 50 | 60 | 80 | 80 | 125 | 125 | |
| Electrical life | AC3 (x104) | 100 | 100 | 100 | 100 | 80 | 80 | 60 | 60 | 60 | 60 |
| AC4 (x104) | 20 | 20 | 20 | 20 | 20 | 15 | 15 | 15 | 10 | 10 | |
| Mechanical life (x104) | 1000 | 1000 | 1000 | 1000 | 800 | 800 | 800 | 800 | 600 | 600 | |
| Number of the contacts | 3P+NO | 3P+NC+NO | |||||||||
| 3P+NC | |||||||||||
Standard Control Circuit Voltage
| Volts | 24 | 42 | 48 | 110 | 220 | 230 | 240 | 380 | 400 | 415 | 440 | 500 | 600 |
| 50Hz | B5 | D5 | E5 | F5 | M5 | P5 | U5 | Q5 | V5 | N5 | R5 | S5 | Y5 |
| 60Hz | B6 | D6 | E6 | F6 | M6 | – | U6 | Q6 | – | – | R6 | – | – |
| 50/60Hz | B7 | D7 | E7 | F7 | M7 | P7 | U7 | Q7 | V7 | N7 | R7 | – | – |
