Soft Starts

A Soft start motor is a device used typically with electrical AC motors.How do they work?They work by helping reduce the torque and load in the power up and electrical current surges that are typical with motors during their start-up phase. The soft start only does this temporary however as it is only needed primarily during start-upFeatures and benefits:Can control multiple phases of power upControl of starting toque in machineryMotor power ratings ranging up to 700 kW and aboveInline contactors are not necessary if the machine it is used on is electrically isolatedControl starting times of the soft startVoltage boost functions available to control over toqueCan be mounted to DIN, panels or simply snap on capabilities Where might I use one?Smaller size cranesAutomatic doors/gatesFans or pumpsConveyor beltsCompressors

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Description Price Phase Supply Voltage Current Rating Voltage Rating Control Voltage Power Rating IP Rating Overall Length Overall Width Overall Depth Minimum Operating Temperature Maximum Operating Temperature Mounting Type Series
RS Stock No. 420-508
Mfr. Part No.3RW4027-1BB14
BrandSiemens
TWD14,497.00
Each
units
3 200 480 V ac 32 A 480 V ac 110 230 V ac/dc 15 kW IP20 154mm 45mm 125mm -25°C +60°C - 3RW40
RS Stock No. 478-4730
Mfr. Part No.ATS01N222QN
TWD9,312.00
Each
units
3 380 415 V 22 A 415 V - 11 kW IP20 130.7mm 45mm 175mm -10°C +40°C - ATS01
RS Stock No. 478-4780
Mfr. Part No.ATS01N212QN
TWD7,100.00
Each
units
3 380 415 V 12 A 415 V 24 V dc, 110 240 V ac 5.5 kW IP20 130.7mm 45mm 145mm -10°C +40°C - ATS01
RS Stock No. 420-514
Mfr. Part No.3RW4037-1BB14
BrandSiemens
TWD23,124.00
Each
units
3 200 480 V ac 63 A 480 V ac 110 230 V ac/dc 30 kW IP00 170mm 55mm 170mm -25°C +60°C - 3RW40
RS Stock No. 505-5803
Mfr. Part No.ATS01N103FT
TWD3,771.00
Each
units
3 110 480 V 3 A 480 V 24 V dc, 110 240 V ac 1.1 kW IP20 100.4mm 22.5mm 100mm -10°C +40°C - ATS01
RS Stock No. 420-502
Mfr. Part No.3RW4026-1BB14
BrandSiemens
TWD12,250.00
Each
units
3 200 480 V ac 25 A 480 V ac 110 230 V ac/dc 11 kW IP20 154mm 45mm 125mm -25°C +60°C - 3RW40
RS Stock No. 820-0719
Mfr. Part No.ATS01N206RT
TWD5,686.00
Each
units
3 440 480 V ac 6 A 460 V ac 120 V ac - IP20 45mm 154mm 135mm -10°C +40 (Without Derating) °C, +50 (With Derating) °C - ATS01
RS Stock No. 746-4940
Mfr. Part No.3RW4026-1BB04
BrandSiemens
TWD12,005.00
Each
units
3 - 25 A 400 V 24 V ac/dc 11 kW IP20 154mm 45mm 125mm - - - 3RW40
RS Stock No. 420-524
Mfr. Part No.3RW4038-1BB14
BrandSiemens
TWD27,047.00
Each
units
3 200 480 V ac 72 A 480 V ac 110 230 V ac/dc 37 kW IP00 170mm 55mm 170mm -25°C +60°C - 3RW40
RS Stock No. 822-6118
Mfr. Part No.ATS48D32Y
TWD31,162.00
Each
units
3 208 690 V 32 A 690 V 110 230 V 22 kW IP20 160mm 275mm 190mm - - - ATS48
RS Stock No. 478-4718
Mfr. Part No.ATS01N112FT
TWD6,540.00
Each
units
3 110 480 V 12 A 480 V 24 V dc, 110 240 V ac 5.5 kW IP20 130.7mm 45mm 145mm -10°C +40°C - ATS01
RS Stock No. 478-4702
Mfr. Part No.ATS01N106FT
TWD6,150.00
Each
units
3 110 480 V 6 A 480 V 24 V dc, 110 240 V ac 2.2 kW IP20 100.4mm 22.5mm 100mm -10°C +40°C - ATS01
RS Stock No. 152-738
Mfr. Part No.1SFA896107R7000 - PSR16-600-70
BrandABB
TWD7,880.00
Each
units
3 208 600 V 16 A 600 V 100 240 V ac 7.5 kW IP20 113.5mm 45mm 140mm -25°C +60°C - PSR
RS Stock No. 185-9682
Mfr. Part No.3RW5226-1AC04
BrandSiemens
TWD50,146.00
Each
units
3 200 480 V 77 A 480 V 24 V ac/dc 75 kW IP00 185mm 203mm 305.6mm -25°C +60°C Screw Fixing 3RW52
RS Stock No. 820-1006
Mfr. Part No.ATS48D88Y
TWD59,321.00
Each
units
3 208 690 V ac 88 A 208 690 V ac 110 230 V ac 75 kW IP00, IP20 190mm 290mm 235mm -10°C +40°C - ATS48
RS Stock No. 703-5135
Mfr. Part No.1SFA896115R7000
BrandABB
TWD30,847.00
Each
units
3 208 600 V 105 A 600 V 100 240 V ac 55 kW IP10, IP20 180mm 70mm 220mm -25°C +60°C - PSR
RS Stock No. 185-9683
Mfr. Part No.3RW5226-1AC14
BrandSiemens
TWD50,146.00
Each
units
3 200 480 V 77 A 480 V 110 250 V ac 75 kW IP00 185mm 203mm 305.6mm -25°C +60°C Screw Fixing 3RW52
RS Stock No. 766-2526
Mfr. Part No.DS7-340SX016N0-N
BrandEaton
TWD11,844.00
Each
units
3 230 460 V ac 16 A 460 V ac 24 V ac/dc 7.5 kW IP20 45mm 118mm 150mm 0°C +40°C - DS7
RS Stock No. 608-7053
Mfr. Part No.ATS48D17Q
TWD32,980.00
Each
units
3 230 415 V 17 A 415 V 220 415 V 7.5 kW IP20 190mm 160mm 275mm -10°C +40°C - ATS48
RS Stock No. 152-794
Mfr. Part No.1SFA896111R7000 - PSR45-600-70
BrandABB
TWD19,095.00
Each
units
3 208 600 V 45 A 600 V 100 240 V ac 30 kW IP10, IP20 153mm 54mm 187mm -25°C +60°C - PSR