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 Priced to Clear
RS Stock No. 785-0745
Mfr. Part No.RSE2312-BS
£133.18
Each
Units
1 - 12 A 230 V ac 110 → 480 V ac/dc, 24 → 110 V ac 3kW IP20 77.4mm 45mm 102.5mm -20°C +50°C - -
RS Stock No. 857-7898
Mfr. Part No.RSE4812-B
£286.13
Each
Units
3 - 12 A 227 → 480 V ac 110 → 480 V ac, 24 → 110 V ac/dc 5.5 kW IP20 45mm 102.5mm 77.4mm -20°C +50°C - -
RS Stock No. 785-0754
Mfr. Part No.RSGD4016F0VD20
£158.89
Each
Units
3 - 16 A 400 V ac 24 V ac/dc 4 kW IP20 125mm 45mm 109.8mm -20°C +60°C - -
RS Stock No. 785-0751
Mfr. Part No.RSGD4016E0VD20
£190.67
Each
Units
3 - 16 A 400 V ac 110 → 400 V ac 4 kW IP20 125mm 45mm 109.8mm -20°C +60°C - -
RS Stock No. 785-0773
Mfr. Part No.RSGD4037E0VX20
£361.60
Each
Units
3 - 37 A 400 V ac 110 → 400 V ac 9 kW IP20 132mm 45mm 153.8mm -20°C +60°C - -
RS Stock No. 857-2761
Mfr. Part No.RR2A48D550
£464.73
Each
Units
2 - 11 A 480 V ac 10 → 40 V dc 5.5 kW IP10 103mm 73.5mm 41mm -20°C +80°C - -
RS Stock No. 785-0760
Mfr. Part No.RSGD4032E0VD20
£309.57
Each
Units
3 - 32 A 400 V ac 110 → 400 V ac 9 kW IP20 125mm 45mm 109.8mm -20°C +60°C - -
RS Stock No. 785-0767
Mfr. Part No.RSGD4025F0VD20
£255.68
Each
Units
3 - 25 A 400 V ac 24 V ac/dc 5.5 kW IP20 125mm 45mm 109.8mm -20°C +60°C - -
RS Stock No. 785-0770
Mfr. Part No.RSGD4045E0VX20
£324.99
Each
Units
3 - 45 A 400 V ac 110 → 400 V ac 11 kW IP20 132mm 45mm 153.8mm -20°C +60°C - -
RS Stock No. 785-0789
Mfr. Part No.RSGD4045F0VX20
£496.03
Each
Units
3 - 45 A 400 V ac 24 V ac/dc 11 kW IP20 132mm 45mm 153.8mm -20°C +60°C - -
RS Stock No. 785-0758
Mfr. Part No.RSGD4025E0VD20
£255.68
Each
Units
3 - 25 A 400 V ac 110 → 400 V ac 5.5 kW IP20 125mm 45mm 109.8mm -20°C +60°C - -
RS Stock No. 785-0776
Mfr. Part No.RSGD4037F0VX20
£372.46
Each
Units
3 - 37 A 400 V ac 24 V ac/dc 9 kW IP20 132mm 45mm 153.8mm -20°C +60°C - -
RS Stock No. 785-0764
Mfr. Part No.RSGD4032F0VD20
£309.57
Each
Units
3 - 32 A 400 V ac 24 V ac/dc 9 kW IP20 125mm 45mm 109.8mm -20°C +60°C - -