Features
- Initial current limitation during the start of asynchronous motors
- Start-up current reduction to one third of the value when starting directly
- Best practice operator independent start-up time for your application
- Smooth start-up with protection of mains and drive
- Various implementations available
- Connection options for control panel, emergency stop and pressure control
Models automatic star-delta starters, with undervoltage release, overload protection
Pos. 1 Art.-No.: 0098.4301 | Automatic star-delta starter up to 7.5kW With overload protection and undervoltage release. On DIN standard rails. Protection against automatic restart after voltage recovery. | Price incl. VAT | |
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Undervoltage release | Uc: 230 V/50 Hz | € 273,59 Order In Stock: 2 | |
Switching capacity | 7.5 kW 400 V~/AC-3 | ||
Ie | 20.0 A | ||
Star-delta switchover | Automatically with adjustable start-up time | ||
Mounting dimension | Elongated hole in DIN standard rail | ||
Overload protection | 9.0-12.5 A adjustable (rated motor current x 0.58) | ||
Smaller setting ranges possible. | € 21,99 Order In Stock: 99 | ||
Connection | 2.5 mm² terminal blocks for control elements 4 mm² terminal blocks for mains, motor | ||
Technical drawings | Wiring diagram | ||
Dimensional drawing |
Pos. 2 Art.-No.: 0098.4302 | Automatic star-delta starter up to 7.5kW With overload protection and undervoltage release. On DIN standard rails. Protection against automatic restart after voltage recovery. | Price incl. VAT | |
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Undervoltage release | Uc: 400 V/50 Hz | € 291,76 Order In Stock: 3 | |
Switching capacity | 7.5 kW 400 V~/AC-3 | ||
Ie | 20.0 A | ||
Star-delta switchover | Automatically with adjustable start-up time | ||
Mounting dimension | Elongated hole in DIN standard rail | ||
Overload protection | 9.0-12.5A adjustable (rated motor current x 0.58) | ||
Smaller setting ranges possible. If necessary, please use the price button (right) to order and specify the nominal motor current. The nominal motor current must not exceed the starter nominal current Ie. | € 21,99 Order In Stock: 99 | ||
Connection | 2.5 mm² terminal blocks for control elements 4 mm² terminal blocks for mains, motor | ||
Technical drawings | Wiring diagram | ||
Dimensional drawing |
Pos. 3 Art.-No.: 0098.4304 | Automatic star-delta starter up to 11kW With overload protection and undervoltage release. On DIN standard rails. Protection against automatic restart after voltage recovery. | Price incl. VAT | |
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Undervoltage release | Uc: 230 V/50 Hz | € 275,66 Get a quote In Stock: 0 | |
Switching capacity | 11 kW 400 V~/AC-3 | ||
Ie | 25.0 A | ||
Star-delta switchover | Automatically with adjustable start-up time | ||
Mounting dimension | Elongated hole in DIN standard rail | ||
Overload protection | 11.3-16 A adjustable (rated motor current x 0.58) | € 21,99 Order In Stock: 99 | |
Smaller setting ranges possible. If necessary, please use the price button (right) to order and specify the nominal motor current. The nominal motor current must not exceed the starter nominal current Ie. | |||
Connection | 2.5 mm² terminal blocks for control elements 4 mm² terminal blocks for mains, motor | ||
Technical drawings | Wiring diagram | ||
Dimensional drawing |
Pos. 4 Art.-No.: 0098.4305 | Automatic star-delta starter up to 11kW With overload protection and undervoltage release. On DIN standard rails. Protection against automatic restart after voltage recovery. | Price incl. VAT | |
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Undervoltage release | Uc: 400 V/50 Hz | € 258,23 Order In Stock: 2 | |
Switching capacity | 11 kW 400 V~/AC-3 | ||
Ie | 25.0 A | ||
Star-delta switchover | Automatically with adjustable start-up time | ||
Mounting dimension | Elongated hole in DIN standard rail | ||
Overload protection | 11.3-16 A adjustable (rated motor current x 0.58) | € 21,99 Order In Stock: 99 | |
Smaller setting ranges possible. If necessary, please use the price button (right) to order and specify the nominal motor current. The nominal motor current must not exceed the starter nominal current Ie. | |||
Connection | 2.5 mm² terminal blocks for control elements 4 mm² terminal blocks for mains, motor | ||
Technical drawings | Wiring diagram | ||
Dimensional drawing |
Pos. 5 Art.-No.: 0098.4307 | Automatic star-delta starter up to 15kW With overload protection and undervoltage release. On DIN standard rails. Protection against automatic restart after voltage recovery. | Price incl. VAT | |
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Undervoltage release | Uc: 230 V/50 Hz | € 359,48 Get a quote In Stock: 0 | |
Switching capacity | 15 kW 400 V~/AC-3 | ||
Ie | 25.0 A | ||
Star-delta switchover | Automatically with adjustable start-up time | ||
Mounting dimension | Elongated hole in DIN standard rail | ||
Overload protection | 15-20 A adjustable (rated motor current x 0.58) | € 21,99 Order In Stock: 99 | |
Smaller setting ranges possible. If necessary, please use the price button (right) to order and specify the nominal motor current. The nominal motor current must not exceed the starter nominal current Ie. | |||
Connection | 2.5 mm² terminal blocks for control elements 6 mm² terminal blocks for mains, motor | ||
Technical drawings | Wiring diagram | ||
Dimensional drawing |
Pos. 6 Art.-No.: 0098.4308 | Automatic star-delta starter up to 15kW With overload protection and undervoltage release. On DIN standard rails. Protection against automatic restart after voltage recovery. | Price incl. VAT | |
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Undervoltage release | Uc: 400 V/50 Hz | € 346,54 Order In Stock: 3 | |
Switching capacity | 15 kW 400 V~/AC-3 | ||
Ie | 25.0 A | ||
Star-delta switchover | Automatically with adjustable start-up time | ||
Mounting dimension | Elongated hole in DIN standard rail | ||
Overload protection | 15-20 A adjustable (rated motor current x 0.58) | € 21,99 Order In Stock: 99 | |
Smaller setting ranges possible. If necessary, please use the price button (right) to order and specify the nominal motor current. The nominal motor current must not exceed the starter nominal current Ie. | |||
Connection | 2.5 mm² terminal blocks for control elements 6 mm² terminal blocks for mains, motor | ||
Technical drawings | Wiring diagram | ||
Dimensional drawing |
Pos. 7 Art.-No.: 0098.4310 | Automatic star-delta starter up to 18.5kW With overload protection and undervoltage release. On DIN standard rails. Protection against automatic restart after voltage recovery. | Price incl. VAT | |
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Undervoltage release | Uc: 230 V/50 Hz | € 342,14 Order In Stock: 4 | |
Switching capacity | 18.5 kW 400 V~/AC-3 | ||
Ie | 35.0 A | ||
Star-delta switchover | Automatically with adjustable start-up time | ||
Mounting dimension | Elongated hole in DIN standard rail | ||
Overload protection | 18-25 A adjustable (rated motor current x 0.58) | € 21,99 Order In Stock: 99 | |
Smaller setting ranges possible. If necessary, please use the price button (right) to order and specify the nominal motor current. The nominal motor current must not exceed the starter nominal current Ie. | |||
Connection | 2.5 mm² terminal blocks for control elements 6 mm² terminal blocks for mains, motor | ||
Technical drawings | Wiring diagram | ||
Dimensional drawing |
Pos. 8 Art.-No.: 0098.4311 | Automatic star-delta starter up to 18.5kW With overload protection and undervoltage release. On DIN standard rails. Protection against automatic restart after voltage recovery. | Price incl. VAT | |
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Undervoltage release | Uc: 400 V/50 Hz | € 361,15 Order In Stock: 4 | |
Switching capacity | 18.5 kW 400 V~/AC-3 | ||
Ie | 35.0 A | ||
Star-delta switchover | Automatically with adjustable start-up time | ||
Mounting dimension | Elongated hole in DIN standard rail | ||
Overload protection | 18-25 A adjustable (rated motor current x 0.58) | € 21,99 Order In Stock: 99 | |
Smaller setting ranges possible. If necessary, please use the price button (right) to order and specify the nominal motor current. The nominal motor current must not exceed the starter nominal current Ie. | |||
Connection | 2.5 mm² terminal blocks for control elements 6 mm² terminal blocks for mains, motor | ||
Technical drawings | Wiring diagram | ||
Dimensional drawing |
Functional description
Automatic star-delta starters are used with asynchronous motors from 4 kW to prevent impermissibly high inrush currents during start-up. The advantage over manually operated star-delta starters is that these starters have control logic or can be controlled manually and the run-up time can be optimally adjusted to the respective application.
The start-up is implemented with a contactor control, a special time relay and with an integrated overload relay. By observing important switching sequences and locking the control, a high level of operational safety is achieved.
The switchover time should be set so that when switching from star to triangle at least 80% of the nominal speed is reached. A motor suitable for star-delta starting with a mains voltage of 380 V must have a voltage output of 380 V / 660 V or delta 380 V. Motors with 6 protruding winding ends are required for connection.
These star-delta starters are used in machine tools, woodworking machines, compressors and much more. Furthermore, these starters can also be implemented with our new brake controls.