VersiStart III LB Series (9A~45A)

Features:
  • three-phase controlled soft starter
  • controlled by microcontroller
  • optimized soft start and current control
  • current and torque reduction during acceleration
  • easy mounting, for snap-mounting on 35mm standard rail
  • integrated bypass relay
  • parameterization by means of a potentiometer
  • no mains neutral conductor (N) required
  • economically priced substitute for star-delta starters
  • spring-loaded terminals
  • heat sink temperature monitoring
  • compact design, 45mm up to 45A
  • degree of protection IP20
  • motor protection
  • thermal device protection
Function:
  • soft acceleration and deceleration
  • potential-free control input for soft acceleration and deceleration
  • potential-free relay output for operating state failure

Typical Applications:
heat pumps, compressors


Models:

Technical Data (standard)

VS III 480-9-LB

VS III 480-16-LB

VS III 480-25-LB

VS III 480-37-LB

VS III 480-45-LB

Reted device current

9A

16A

 25A
37A
45A

Motor rating at Ue 400V

4kW

7,5kW

11kW

18,5kW

22kW

Rated operation voltage Ue

200V-480V ± 10% 50/60Hz
Control supply voltage Us only with option B

230V ± 10% AC 50/60 Hz

Max.switching frequency
at 2,5xIn and 5s tan
at 2,5xIn and 1s tan
10
40

6
24

4
16

3
12

2
8
Max. power dissipation
- in operating related to max. starting frequency
- standby
9W
5W
9W
5W

9W
5W

9W
5W

9W
5W
I²t —power semiconductors in A²s 390
720
4000
9100
16200
Min. motor load 20% of device rating
Starting time
0,6s
Stopping time
0,25s
Restart time
200ms
Input resistance control inputs
80kOhm
Control voltage Uc 24VDC … 230VAC
Contact rating of relay outputs RA1/RA2 2A / 250VAC / 30VDC
Installation class 3
Overvoltage category / pollution degree:
control and auxiliary circuit
main circuit
II / 2
III (TT / TN-systems) / 2
Rated impulse strength Uimp:
control and auxiliary circuit
main circuit
2,5kV
4kV
Rated insulation voltage Ui:
control and auxiliary circuit
main circuit
250V
500V
Cross-sectional area for connection:
control terminals
power terminals
1,5mm²
6mm²
1,5mm²
16mm²
Max tightening torque
control / power terminals
main circuit

- spring-loaded terminals
- spring-loaded terminals
Ambient / storage temperature 0°C ... 45°C up tp an altitude of 1000m / -25°C ... 75°C
Weight 950g

Order number

2S511.48009 2S511.48016 2S511.480252S511.480372S511.48045

Dimensions:


Connection Diagram: