ASD Starters
TeSys D – Star Delta Starter
9A to 150A, Compact Design, Reliable Motor Starting and Protection
Star-delta Contactor Assemblies
9A to 300A, Pre‑wired and Tested, Reliable Motor Starting Solution
TeSys D – Star Delta Starter
Reliable Motor Starting Solution | 9A to 150A | Compact & Efficient
The TeSys D Star-Delta Starter is a trusted solution for reducing high inrush current during motor startup. Designed for three-phase motors from 9A to 150A, it ensures smooth operation while protecting the motor and extending its lifespan.
With its compact footprint, proven reliability, and seamless integration, the TeSys D starter is ideal for industrial environments where durability and efficiency matter.
Key Features
- Current Rating: 9A to 150A
- Compact design for space-saving panel installation
- Reduced mechanical stress on motors and connected equipment
- Soft motor start by minimizing voltage drop and inrush current
- Durable TeSys D contactors for consistent performance
- Thermal overload relay for protection against overcurrent
- Quick wiring and easy maintenance with modular construction
- Conforms to IEC 60947-4-1 and relevant global standards
Applications
- Industrial machinery
- Pumps and compressors
- HVAC systems
- Conveyors and material handling systems
- Manufacturing plants and utility setups
- Agriculture and irrigation systems
What You Get
- TeSys D Star-Delta starter assembly
- Main, star, and delta contactors
- Thermal overload relay (optional model dependent)
- Pre-wired configuration for easy installation
Technical Specifications – Schneider TeSys D Star-Delta Starter
| Parameter | Details |
|---|---|
| Product Type | Star-Delta Starter Assembly |
| Brand | Schneider Electric |
| Series | TeSys D |
| Rated Operational Current (Ie) | 9A to 150A |
| Rated Operational Voltage (Ue) | 690V AC max |
| Rated Control Supply Voltage (Us) | 24V / 110V / 220V / 380V AC (model-specific) |
| Frequency | 50/60 Hz |
| Contactors Used | TeSys D LC1D Series (Main, Star, Delta) |
| Overload Relay | LRD Thermal Overload Relay (adjustable) |
| Starter Type | Open / Panel Mount |
| Mounting | Base or DIN rail (as per model) |
| Control Method | Manual or automatic star-delta transition |
| Protection Class | IP20 / IP54 (enclosed models) |
| Standards Compliance | IEC 60947-4-1, CE |
| Electrical Life | Up to 1 million operations (AC-3 duty) |
| Mechanical Life | Up to 10 million operations |
| Wiring | Pre-wired for quick installation |
| Operating Temperature | –5°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Auxiliary Contacts | 1 NO + 1 NC (optional based on configuration) |
| Panel Size Required | Compact layout for optimized space |
| Certifications | CE, RoHS, IEC |
Siemens Star-Delta Contactor Assemblies
9A to 300A | Pre-Wired & Tested | Reliable Motor Starting Solution
Siemens Star-Delta Contactor Assemblies are engineered for efficient and reliable motor starting across a wide range of industrial applications. Designed to reduce high starting current and torque during motor startup, these assemblies come pre-wired, factory-tested, and ready for installation — saving time while ensuring dependable performance. Built with Siemens high-quality contactors and thermal relays, these assemblies provide a complete, compact, and cost-effective solution for star-delta motor starting up to 300A.
Key Features
- Current Range: 9A to 300A
- Factory Pre-Wired: Minimizes installation time and wiring errors
- Heavy-Duty Siemens Contactors: Long service life with consistent switching performance
- Thermal Overload Relay Compatibility: Motor protection against overcurrent
- Compact Design: Space-saving layout ideal for control panels
- DIN Rail or Base Mounting Options: Flexible installation in any panel design
- Wiring Standards: Neatly arranged, numbered, and color-coded as per Siemens specifications
- Compliance: IEC 60947-4-1 and other global standards
Benefits
- Reduces Starting Current: Star-delta transition helps minimize voltage drops and prevent system disturbances
- Increases Motor Life: Less mechanical and thermal stress during startup
- Ready-to-Install: Saves time, labor, and costs with factory-tested reliability
- Enhanced Safety: Reduced risk of wiring faults and better overload protection
- Proven Siemens Reliability: Built to perform in demanding environments
- Easy Maintenance: Modular and accessible design simplifies servicing
Applications
- Pumps and Irrigation Systems – Smooth startup prevents water hammer and stress
- Compressors and Chillers – Avoids pressure surges and overloads
- Conveyor Systems – Prevents belt wear from sudden torque
- Blowers and Fans – Reduces vibration and noise during startup
- Mixers, Crushers & Heavy Machinery – Protects against torque-related mechanical stress
- Industrial Automation Panels – For seamless integration in complex electrical setups
- Agriculture, Utilities & Manufacturing – Trusted across sectors for consistent motor performance
Technical Specifications
| Parameter | Details |
|---|---|
| Product Type | Star-Delta Contactor Assembly |
| Brand | Siemens |
| Rated Operational Current (Ie) | 9A to 300A |
| Rated Voltage (Ue) | 415V AC, 50/60Hz |
| Insulation Voltage (Ui) | Up to 690V AC |
| Control Voltage Options | 24V / 110V / 220V / 380V AC (model dependent) |
| Frequency | 50Hz / 60Hz |
| Contactor Type | Siemens 3RT Series (Main, Star, Delta) |
| Overload Relay | Siemens 3RU Thermal Overload Relay (manual reset) |
| Mounting | Panel Base or DIN Rail (customizable per model) |
| Configuration | Pre-wired, tested and ready-to-install |
| Starter Type | Open type or enclosed (on request) |
| Protection Functions | Overload, phase failure, mechanical interlocking |
| Enclosure Protection (optional) | IP20 (open), IP54/IP65 (on enclosed request) |
| Auxiliary Contacts | 1 NO + 1 NC (expandable) |
| Standards Compliance | IEC 60947-4-1, VDE, CE |
| Electrical Life | Up to 1 million operations (AC-3 duty) |
| Mechanical Life | Up to 10 million operations |
| Operating Temperature Range | –5°C to +60°C |
| Certifications | CE, RoHS, ISO Certified Assembly |