690V 3 Poles AC Contactor 1NO+1NC 80A 110amp Electrical Contactor
Application:
SC1 series AC contactor (hereinafter contactor) is suitable for using in the circuits up to the rated voltage 690V AC 50 HZ or 60 HZ , rated current up to 95A, for making, breaking, frequently starting & controlling the AC motor.
This series contactor complies with GB 14048, IEC60947-4-1
Model and Implication:
Main parameters and Technical Performance:
| Type | SC1-40 | SC1-50 | SC1-65 | SC1-80 | SC1-95 | ||
| Rated heating current (A) | 50 | 60 | 80 | 110 | 110 | ||
| Rated insulation voltage (V) | 690 | ||||||
| Rated impact withstand voltage (KV) | 6 | ||||||
| Rated making capacity | 10le | ||||||
| Rated breaking capacity | 8le | ||||||
| Poles | 3 | ||||||
| Auxiliary contact | 1NO + 1NC | ||||||
| Short-time withstand current(A) | 10S | 320 | 400 | 520 | 640 | 760 | |
| AC-3 Rated working current(A) |
220V/230V | 40 | 50 | 65 | 80 | 95 | |
| 380V/400V | 40 | 50 | 65 | 80 | 95 | ||
| 660V/690V | 34 | 39 | 42 | 49 | 49 | ||
| AC-3 capacity of phase 3 squirrel-cage motor (AC-3) KW |
220V/230V | 11 | 15 | 18.5 | 22 | 25 | |
| 380V/400V | 18.5 | 22 | 30 | 37 | 45 | ||
| 660V/690V | 30 | 33 | 37 | 45 | 45 | ||
| Operation frequency (times/h) | Electrical life | 600 | |||||
| Mechanical life | 3600 | ||||||
| AC-3 Electrical life (10000/times) | 80 | 60 | 60 | 60 | 60 | ||
| Mechanical life (10000/times) | 800 | 800 | 800 | 600 | 600 | ||
| Equipped fuse type | RT16-63 | RT16-80 | RT16-80 | RT16-100 | RT16-125 | ||
| Rated control supply voltage Us(V) | 50/60Hz | 12～480 | |||||
| Operation range | Pull-in | (85%～110%)Us +40℃ | |||||
| Releasing | (20%～75%)Us -5℃ | ||||||
| Ac coil average power(VA) | Start | 200 | |||||
| Keeping | 20 | ||||||
| Power efficiency class | class 3 | ||||||
| Thermal loss(W) | 6 ～10 | ||||||
| Actuation time(ms) | Close | 20 ～ 25 | 20 ～ 35 | ||||
| Break | 8 ～ 15 | 8 ～ 20 | |||||
| Main circuit wiring | flexible wire without cold pressing terminal (㎟) |
1 stick | 2.5～25 | 2.5～25 | 2.5～25 | 4～50 | 4～50 |
| 2 sticks | 2.5～16 | 2.5～16 | 2.5～16 | 4～25 | 4～25 | ||
| flexible wire with cold pressing terminal (㎟) |
1 stick | 2.5～25 | 2.5～25 | 2.5～25 | 4～50 | 4～50 | |
| 2 sticks | 2.5～10 | 2.5～10 | 2.5～10 | 4～16 | 4～16 | ||
| Hard wire (㎟) | 1 stick | 2.5～25 | 2.5～25 | 2.5～25 | 4～50 | 4～50 | |
| 2 sticks | 2.5～16 | 2.5～16 | 2.5～16 | 4～25 | 4～25 | ||
| Fastening screw size | M8 | M10 | |||||
| Tightening fastening torque (N.m) | 3.5 | 4 | |||||
| Control loop wiring | flexible wire without cold pressing terminal (㎟) |
1 stick | 1～4 | 1～4 | 1～4 | 1～4 | 1～4 |
| 2 sticks | 1～4 | 1～4 | 1～4 | 1～4 | 1～4 | ||
| flexible wire with cold pressing terminal (㎟) |
1 stick | 1～4 | 1～4 | 1～4 | 1～4 | 1～4 | |
| 2 sticks | 1～2.5 | 1～2.5 | 1～2.5 | 1～2.5 | 1～2.5 | ||
| Hard wire (㎟) | 1 stick | 1～4 | 1～4 | 1～4 | 1～4 | 1～4 | |
| 2 sticks | 1～4 | 1～4 | 1～4 | 1～4 | 1～4 | ||
| Fastening screw size | M3.5 | ||||||
| Tightening fastening torque (N.m) | 0.8 | ||||||
Working and Installation Condition:
♦ Ambient air temperature: -5℃--+40℃ and average not more than +35℃ within 24 hours;
♦ Altitude: ≤ 2000m;
♦ Air condition: when the highest temperature is +40℃, the air relative humidity is not up to 50%, but the higher humidity is allowed at lower temperature. Like, 90% humidity at 20℃. The condensate dew should be considered when at lower temperature;
♦ Pollution degree: Class 3
♦ Installation category:III
♦ Protection degree: IP20
♦ Installation condition: the gradient angle between installation side and vertical side should not be more than ±5℃
♦ Impact and vibrattion: the contactor must be installed and operate under the circumstances of no obvious shaking, impact and vibration.
Structure characteristic:
♦ With dust cover design, contactor have characteristic of better safety, reliability and it also can extended service life
♦ It can be installed with auxiliary contacts block, time relay and current-limited contacts block, and thermal relay, then to be other derivative products;
♦ This series contactor has small volume, light weight, less power loss, long life and safe and reliability etc;
♦ The contactor can be equipped with 1NO auxiliary contact or 1NC auxiliary contact(less than 32A), and 1NO auxiliary contact+1NC auxiliary contact(more than 40A). In addition, it can be equipped with F4 auxiliary contactor block (2blocks or 4blocks);
♦ In addition to use screw to install, contactor can be tightened with the standard installing rail of 35mm (SC1-09~95) and the standard installing rail of 75mm(SC1-40~95)
Appearance and Installation Dimension:
Installation dimension:
| Type | A max | B max | C max | a | b | ∅ |
| SC1-40～65 | 75 | 127 | 119 | 40 | 100/110 | 6.5 |
| SC1-80～95 | 85 | 127 | 130 | 40 | 100/110 | 6.5 |
