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SMC3 Controller Frame size 1: 45mm wide, 3 phase control facilitating true soft start capability up to 20kW Frame size 2: 72mm wide, 3 phase control facilitating true soft start capability up to 45kW Built in DIP switch-selectable electronic overload protection (Trip class 10, 15 or 20) Adjustable overload setting by means of rotary dial Built-in bypass Designed for full integration with the Allen-Bradley MCS range Seven ratings covering 3A to 37A Two control voltage ratings: 24Vac/dc and 100V to 240Vac. 50/60Hz over to 0 to 40°C DIP switch-selectable starting methods: soft start 2 to 15 seconds, current, limit, kick-start DIP switch-selectable stopping methods: soft stop 100%, 200% or 300% of start time, coast to rest Phase rotation checking Fault detection Phase loss/open line/load loss, Shorted SCR, Open gate, Over temperature - power section Phase unbalance - 15% of line rating, Overload, Phase reversal - pre-start only Fault indication; LED for power 'On' and fault indication Caution kW ratings based on current limit value of 350%. Product should always be selected by Motor Full Load Current Allen Bradley Soft starters were developed to overcome the drawbacks of direct on line (DOL) and star-delta starting of single and three phase a.c. induction motors, such as high starting currents, voltage peaks and mechanical snatch.,Soft starters achieve these benefits by controlling the voltage applied to the motor at starting, giving a reduced but controlled starting current and torque to meet the requirements of the motor-driven load. From this starting value the voltage is gradually increased to full value via adjustable ramp times.,Typical applications that would benefit from the use of soft starters include conveyor belts, pumps, mechanical handling equipment, air conditioning systems, compressors, grain dryers and fans.,In addition to...
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I am very pleased with the Allen Bradley 25 A Soft Starter SMC-3 Series from EnrgTech. The delivery was timely and the product arrived in excellent condition. This soft starter has significantly improved our motor control. EnrgTech’s customer service was outstanding, offering great support and advice. The website was easy to use and the sales team was very professional. EnrgTech is my go-to for quality electrical components.
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