Allen Bradley 9 A Soft Starter SMC-3 Series, IP2X, 4 kW, 200 460 V ac

Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): KR
Product Details

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 the above the installation of a soft starter provides the following major advantages:

Reduced starting torque minimising stress on motor, bearings, drive belts and chains
Prolonged equipment life and reduced maintenance
Minimises voltage dip problems which may affect sensitive electronic equipment on site
Energy saving through reduced peak kVA
Allows minimum cable conductor size
Elimination of high current transients: when a 3-phase motor switches from Star to Delta

Specifications
Attribute Value
Phase 3
Supply Voltage 200 460 V ac
Current Rating 9 A
Voltage Rating 460 V ac
Control Voltage 24 V ac/dc
Power Rating 4 kW
IP Rating IP2X
Overall Length 100mm
Overall Width 44.8mm
Overall Depth 139.7mm
Minimum Operating Temperature -5°C
Maximum Operating Temperature +50°C
Series SMC-3
5 In stock for delivery within 2 working days
Unit of sale: Each
332.80
(exc. VAT)
409.34
(inc. VAT)
units
Per unit
1 +
€332.80
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