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-up

Features and benefits:
•Can control multiple phases of power up


•Control of starting toque in machinery


•Motor power ratings ranging up to 700 kW and above


•Inline contactors are not necessary if the machine it is used on is electrically isolated


•Control starting times of the soft start


•Voltage boost functions available to control over toque


•Can be mounted to DIN, panels or simply snap on capabilities





Where might I use one?
•Smaller size cranes


•Automatic doors/gates


•Fans or pumps


•Conveyor belts


•Compressors

...
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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. 505-5825
Mfr. Part No.ATS01N209QN
€181.01
Each
units
3 380 → 415 V 9 A 415 V 24 V dc, 110 → 240 V ac 4 kW IP20 130.7mm 45mm 145mm -10°C +40°C - ATS01
RS Stock No. 608-7126
Mfr. Part No.ATS48D88Q
€1,186.17
Each
units
3 230 → 415 V 88 A 415 V 220 → 415 V 45 kW IP20 235mm 190mm 290mm -10°C +40°C - ATS48
RS Stock No. 851-7648
Mfr. Part No.1SFA896111R1100
BrandABB
€490.70
Each
units
3 600 V 45 A 208 → 600 V ac 24 V ac/dc 22 kW IP10 54mm 153mm 187mm -20°C +60°C - PSR
RS Stock No. 852-3598
Mfr. Part No.1SFA898108R7000
BrandABB
€2,221.90
Each
units
3 100 → 250 V 85 (Inline) A, 147 (Inside Delta) A 208 → 600 V - 45 kW IP10, IP20 150mm 194mm 314mm -20°C +60°C - PSTX
RS Stock No. 710-6394
Mfr. Part No.ATS22D62Q
€573.28
Each
units
3 230 → 440 V 62 A 440 V 220 → 230 V 30 kW IP20 247mm 145mm 295mm -10°C +40°C - ATS22
RS Stock No. 478-4702
Mfr. Part No.ATS01N106FT
€151.32
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. 608-7069
Mfr. Part No.ATS48D22Q
€675.08
Each
units
3 230 → 415 V 22 A 415 V 220 → 415 V 11 kW IP20 190mm 160mm 275mm -10°C +40°C - ATS48
RS Stock No. 746-4928
Mfr. Part No.3RW3026-1BB14
BrandSiemens
€277.81
Each
units
3 - 25 A 400 V 110 → 230 V ac/dc 11 kW IP20 151mm 45mm 125mm - - - 3RW30
RS Stock No. 822-6159
Mfr. Part No.ATS22D32S6
€645.73
Each
units
3 208 → 600 V 32 A 600 V 230 V 18.5 kW IP54 130mm 265mm 209mm -10°C +40°C - ATS22
RS Stock No. 656-6578
Mfr. Part No.1SFA896111R7000
BrandABB
€492.59
Each
units
3 208 → 600 V 45 A 600 V 100 → 240 V ac 22 kW IP10, IP20 153mm 54mm 187mm -25°C +60°C - PSR
RS Stock No. 123-9756
Mfr. Part No.3PH MS3 5.5kW
BrandTele
€295.26
Each
units
3 - 40 A 400 V ac - 5.5 kW IP40 42mm 130mm 128mm -20°C +50°C DIN Rail MS3
RS Stock No. 746-4915
Mfr. Part No.3RW3018-1BB14
BrandSiemens
€237.80
Each
units
3 - 17.6 A 400 V 110 → 230 V ac/dc 7.5 kW IP20 151mm 45mm 95mm - - - 3RW30
RS Stock No. 851-7663
Mfr. Part No.1SFA896115R1100
BrandABB
€818.20
Each
units
3 600 V 105 A 208 → 600 V ac 24 V ac/dc 55 kW IP10 70mm 180mm 220mm -20°C +60°C - PSR
RS Stock No. 820-1009
Mfr. Part No.ATS48C41Y
€5,509.95
Each
units
3 208 → 690 V ac 410 A 208 → 690 V ac 110 → 230 V ac 400 kW IP00, IP20 400mm 670mm 300mm -10°C +40°C - ATS48
RS Stock No. 851-7626
Mfr. Part No.1SFA896105R1100
BrandABB
€178.81
Each
units
3 600 V 9 A 208 → 600 V ac 24 V ac/dc 4 kW IP20 45mm 114mm 140mm -20°C +60°C - PSR
RS Stock No. 857-7898
Mfr. Part No.RSE4812-B
€371.97
Each
units
3 - 12 A 227 → 480 V ac 24 → 110 V ac/dc, 110 → 480 V ac 5.5 kW IP20 45mm 102.5mm 77.4mm -20°C +50°C - RSE
RS Stock No. 820-0706
Mfr. Part No.ATS01N209LU
€226.20
Each
units
3 200 → 240 V ac 9 A 230 V ac 120 V ac 1.5 kW IP20 45mm 154mm 135mm -10°C +40 (Without Derating) °C, +50 (With Derating) °C - ATS01
RS Stock No. 746-4953
Mfr. Part No.3RW4038-1BB04
BrandSiemens
€849.42
Each
units
3 - 72 A 400 V 24 V ac/dc 37 kW IP00 170mm 55mm 170mm - - - 3RW40
RS Stock No. 822-6086
Mfr. Part No.ATS22D88S6
€1,250.99
Each
units
3 208 → 600 V 88 A 600 V 230 V 55 kW IP54 145mm 295mm 247mm -10°C +40°C - ATS22
RS Stock No. 418-6928
Mfr. Part No.150-C25NBR
€514.00
Each
units
3 200 → 460 V ac 25 A 460 V ac 24 V ac/dc 11 kW IP2X 100mm 44.8mm 139.7mm -5°C +50°C - SMC-3
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