Motor Soft Starter
As the name infers, it "begins" engines. Our product can additionally reverse, protet, stop and accelerate them. Regardless of whether it's a small in size fan, or part of mining gear, electric engine are sometimes the main thrust behind them.
An Induction engine can self begin attributable to the transmission between the turning magnetic areas flux and the stator twisting flux, inducing an elevated rotor voltage as torque is expanded. Therefore the stator draws high voltage and when the engine compasses to full speed, a lot of current (more than the appraised voltage) is drawn as well as this can induce warming up of the engine, in the long run harming it. To avert this, engine starters are required.
Our motor soft starter are a blend of a regulator and over-burden insurance.
Regulators - Changes electric voltage to the engine off and on. A contactor, regulator that is regulated by an electromagnet.
Over-burden Protection - Secures an engine from drawing an excessive amount of voltage and "wearing out" from extra heating. The over-burden relay is the engine over-burden security utilized as a part of soft starters. It confines the time the over-burden voltage is drawn as well as shields the engine from overheating.
Motor soft starter place an instrument, which is named as a diminished current started or soft starter, between the incoming utility and the motor line to control the measure of current bolstered to the engine. Our product help the induction motor of AC to accelerate in littler, ensuing in less voltage drawn than with a customary engine starter. Because of diminished voltage, torque is additionally lessened bringing about a simple or soft start. Motor soft starters are utilized on a wide range of AC and DC engines. They are most generally utilized with the AC squirrel confine induction engine as a result of its simplicity, reliability and toughness.
The Ways In Which Motors Can Be Started
- Using full load voltage at interims of time: Straight On Line Starting
- Utilizing diminished current gradually: Soft starter and Star Delta Starter
- Applying part twisting starting: Self transformer starter
- To abstain from over-burdening the power circulation system
- To dodge pointless tear and wear on instruments by lessening starting torque
SDZ series soft starter parameters:
| MODEL | Rated power (kW) | Rated current (A) | Compatible circuit breaker(QF) | Compatible bypass contactor(KM) | Cable specification |
| SDZ23T4 | 11 | 23 | CM1-63L/32 | CJ20-25 | 6mm2 cable |
| SDZ30T4 | 15 | 30 | CM1-63L/40 | CJ20-40 | 10mm2 cable |
| SDZ37T4 | 18.5 | 37 | CM1-63L/40 | CJ20-40 | 16mm2 cable |
| SDZ45T4 | 22 | 45 | CM1-63L/63 | CJ20-63 | 16mm2 cable |
| SDZ60T4 | 30 | 60 | CM1-100L/80 | CJ20-63 | 25mm2 cable |
| SDZ75T4 | 37 | 75 | CM1-100L/100 | CJ20-100 | 35mm2 cable |
| SDZ90T4 | 45 | 90 | CM1-225L/125 | CJ20-100 | 35mm2 cable |
| SDZ110T4 | 55 | 110 | CM1-225L/160 | CJ20-160 | 35mm2 cable |
| SDZ145T4 | 75 | 145 | CM1-225L/180 | CJ20-160 | 35mm2 cable |
| SDZ175T4 | 90 | 175 | CM1-225L/200 | CJ20-250 | 30*3mm2copper row |
| SDZ210T4 | 110 | 210 | CM1-400L/250 | CJ20-250 | 30*3mm2copper row |
| SDZ250T4 | 132 | 250 | CM1-400L/315 | CJ20-400 | 30*4mm2copper row |
| SDZ300T4 | 160 | 300 | CM1-400L/350 | CJ20-400 | 30*4mm2copper row |
| SDZ370T4 | 200 | 370 | CM1-400L/400 | CJ20-400 | 40*4mm2copper row |
| SDZ470T4 | 250 | 470 | CM1-630L/630 | CJ20-630 | 40*5mm2copper row |
| SDZ570T4 | 315 | 570 | CM1-800H/700 | CJ40-800 | 40*5mm2copper row |
| SDZ720T4 | 400 | 720 | CM1-800H/800 | CJ40-1000 | 50*5mm2copper row |
| SDZ840T4 | 450 | 840 | CM1-1250/1000 | CJ40-1000 | 50*5mm2copper row |