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庫存編號 240-9128
製造零件編號IR9027 AC400V 5.5kW
BrandDold
HK$2,335.25
單位
2 400 V ac - 400 V - 5.5 kW IP30 105mm 90mm 59mm 0°C +50°C - -
全新
RS庫存編號 202-1699
製造零件編號3RW3017-1BB04
BrandSiemens
HK$1,893.17
單位
3 200 → 480 V 12.5 A 400 V 24 V 5.5 kw IP00 - - - - - - 3RW3
全新
RS庫存編號 200-3946
製造零件編號3RW5072-2TB05
BrandSiemens
HK$19,631.60
單位
3 24 V 210 A 400 → 600 V 24 V 132 kW IP00 - - - - - - 3RW50
RS庫存編號 185-9721
製造零件編號3RW5245-6AC04
BrandSiemens
HK$33,373.72
單位
3 200 → 480 V 315 A 480 V 24 V ac/dc 315 kW IP00 210mm 202.5mm 388mm -25°C +60°C Screw Fixing 3RW52
RS庫存編號 851-7648
製造零件編號1SFA896111R1100
BrandABB
HK$4,793.82
單位
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庫存編號 185-9670
製造零件編號3RW5217-1TC14
BrandSiemens
HK$8,637.90
單位
3 200 → 480 V 38 A 480 V 110 → 250 V ac 30 kW IP00 170mm 152mm 274.8mm -25°C +60°C Screw Fixing 3RW52
RS庫存編號 732-8364
製造零件編號1SFA897110R7000
BrandABB
HK$14,098.66
單位
3 - 143 A 600 V 100 → 250 V 55 kW IP00, IP20 295mm 130mm 219.5mm -25°C +60°C - PSE
全新
RS庫存編號 200-4042
製造零件編號3RW5077-6TB14
BrandSiemens
HK$26,698.98
單位
3 110 → 250 V 570 A 200 → 480 V 110 → 250 V 355 kW IP00 - - - - - - 3RW50
全新
RS庫存編號 200-4031
製造零件編號3RW5077-2TB04
BrandSiemens
HK$26,698.98
單位
3 24 V 570 A 200 → 480 V 24 V 355 kW IP00 - - - - - - 3RW50
全新
RS庫存編號 202-1688
製造零件編號3RW5548-6HA14
BrandSiemens
HK$79,507.98
單位
3 200 → 480 V 570 A 480 V 110 → 250 V 160 kw IP00 - - - - - - 3RW5
RS庫存編號 710-6372
製造零件編號ATS22D32Q
HK$5,195.20
單位
3 230 → 440 V 32 A 440 V 220 → 230 V 15 kW IP20 209mm 130mm 265mm -10°C +40°C - ATS22
RS庫存編號 185-9716
製造零件編號3RW5244-6AC14
BrandSiemens
HK$28,171.35
單位
3 200 → 480 V 250 A 480 V 110 → 250 V ac 250 kW IP00 210mm 202.5mm 388mm -25°C +60°C Screw Fixing 3RW52
RS庫存編號 185-9649
製造零件編號3RW5214-1TC04
BrandSiemens
HK$6,646.35
單位
3 200 → 480 V 18 A 480 V 24 V ac/dc 15 kW IP20 170mm 152mm 274.8mm -25°C +60°C Screw Fixing 3RW52
全新
RS庫存編號 200-3997
製造零件編號3RW5075-2TB04
BrandSiemens
HK$23,165.29
單位
3 24 V 370 A 200 → 480 V 24 V 250 kW IP00 - - - - - - 3RW50
RS庫存編號 608-7081
製造零件編號ATS48D38Q
HK$9,071.92
單位
3 230 → 415 V 38 A 415 V 220 → 415 V 18.5 kW IP20 190mm 160mm 275mm -10°C +40°C - ATS48
RS庫存編號 175-6262
製造零件編號A86623
HK$1,113.34
單位
1 230 V ac 50 mA 230 V ac - 4 kW IP65 120mm 90mm 50mm -20°C +40°C Chassis Mount, Wall Mount -
RS庫存編號 851-7626
製造零件編號1SFA896105R1100
BrandABB
HK$1,746.89
單位
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庫存編號 766-2529
製造零件編號134913 & DS7-340SX024N0-N
BrandEaton
HK$3,652.68
單位
3 230 → 460 V ac 24 A 460 V ac 24 V ac/dc 11 kW IP20 45mm 118mm 150mm 0°C +40°C - DS7
RS庫存編號 785-0758
製造零件編號RSGD4025E0VD20
HK$2,924.98
單位
3 - 25 A 400 V ac 110 → 400 V ac 5.5 kW IP20 125mm 45mm 109.8mm -20°C +60°C - RSGD
RS庫存編號 185-9688
製造零件編號3RW5227-1TC04
BrandSiemens
HK$13,251.33
單位
3 200 → 480 V 93 A 480 V 24 V ac/dc 90 kW IP00 185mm 203mm 305.6mm -25°C +60°C Screw Fixing 3RW52