Lauritz Knudsen MK1 SASD, Semi Automatic Star Delta Starter - 10 HP | Relay Range 6-10A | 360V AC
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Lauritz Knudsen MK1 SASD, Semi Automatic Star Delta Starter - 10 HP | Relay Range 6-10A | 360V AC
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Three Phase Semi Automatic Star Delta Starter is a motor control & protection device designed for starting & operating three phase induction motors using reduced voltage starting.
It starts the motor in star configuration to limit starting current & then allows transition to delta configuration for normal running conditions. This helps reduce electrical & mechanical stress on the motor & connected equipment, making it suitable for pumps, compressors, fans, blowers, conveyors, & industrial machinery.
How the Semi Automatic Star Delta Starter Works
This starter provides controlled motor starting through a star-delta transition process:
• Starts the motor in star configuration with reduced voltage
• Minimizes inrush current during startup
• Reduces stress on motor windings & mechanical systems
• Allows transition to delta configuration for full-load operation
• Ensures efficient motor performance during running conditions
• Improves system reliability & operational stability
Semi automatic star-delta starters are suitable for installations that require reduced voltage starting with operator-controlled or semi-automatic transition.
Electrical Configuration
• Phase: Three Phase
• Starter Type: Semi Automatic Star Delta Starter
• Application: Three Phase Motor Control
• Function: Reduced Voltage Motor Starting & Protection
• System Compatibility: Low Voltage Three Phase Systems
• Usage: Industrial, Commercial, & Pumping Applications
Construction & Design
The starter is engineered for dependable operation in demanding environments:
• Integrated star-delta control & switching arrangement
• Robust enclosure suitable for panel mounting
• Designed for continuous & reliable operation
• Optimized internal electrical configuration
• Suitable for industrial & commercial installations
Safety & Protection
• Reduces high starting current during motor startup
• Minimizes mechanical stress on rotating equipment
• Supports safe motor operation
• Protects against overload conditions
• Improves motor life & operational reliability
• Helps reduce maintenance requirements
Mounting & Durability
• Suitable for panel mounting installations
• Designed for motor control panels & switchboards
• Durable construction for industrial environments
• Resistant to daily operational conditions
• Designed for long service life
Application Domains
• Industrial motor control systems
• Water pumping applications
• Compressors & air handling systems
• Fans & blowers
• Manufacturing machinery
• Material handling equipment
Key Features
• Three phase semi automatic star delta starter
• Reduced voltage motor starting capability
• Star-to-delta motor transition system
• Reduces starting current & electrical stress
• Integrated motor control & protection functionality
• Suitable for industrial & commercial applications
• Durable & reliable construction
Applications
• Water pumping systems
• Industrial machinery
• Air compressors
• Ventilation & blower systems
• Manufacturing plants
• Motor control panels
FAQs
1. What is a semi automatic star delta starter used for?
Ans: It is used to start three phase motors with reduced voltage while minimizing starting current & mechanical stress.
2. How does a star delta starter work?
Ans: The motor starts in star configuration & transitions to delta configuration for normal full-load operation.
3. Why use a star delta starter?
Ans: It helps reduce inrush current, protects the electrical system, & improves motor life.
4. Where are semi automatic star delta starters commonly used?
Ans: They are widely used in pumps, compressors, fans, blowers, conveyors, & industrial machinery.
5. Does the starter provide motor protection?
Ans: Yes, it supports overload protection & safe motor operation.
6. Is it suitable for industrial applications?
Ans: Yes, it is commonly used in industrial & commercial motor control systems.
7. What are the benefits of reduced voltage starting?
Ans: It reduces electrical stress, lowers starting current, minimizes mechanical wear, & improves overall system reliability.
Overview
| Coil Voltage | 360V |
|---|---|
| DOL/SASD/ FASD | SASD |
| Conformity to Standard | IS/IEC 60947-4-1 |
| Contactor Electrical Life - AC3 | 1 Million Operations |
| Discount Percentage | Between 0-10 % |
| Mechanical Life | 10 Million Operations |
| type | MK1 SASD |
| Rated Insulation Voltage | 690V |
| HP | 0.5HP |
| Length(mm) | 399 |
| Breadth(mm) | 115 |
| Height(mm) | 221 |
| Relay Range (A) | 6 - 10A |
Warranty
- All products listed in the price list are covered by a warranty against manufacturing defects for a period of 18* months from the date of purchase.
- For Lauritz Knudsen MCBs & Isolators mounted inside Lauritz Knudsen Distribution Boards, an extended warranty of 5 years is provided.
- In the event of a defect due to faulty workmanship or other associated reasons, the manufacturer will, at its discretion, remedy the defect or replace the faulty parts or the entire product as soon as possible, free of cost.
- This warranty is subject to proper usage and efficient maintenance and does not cover defects arising from fire, accidents, inefficient maintenance, faulty operation, or deliberate or accidental damage.
- The warranty does not cover damage to power electronic components such as thyristors & IGBTs, which primarily fail due to over-temperature or over-voltage. Users must take adequate precautions to eliminate such conditions.
- The manufacturer shall not be responsible or liable for any special, incidental, social, or consequential losses (including loss of profits), punitive damages, injury, or damages of any kind solely attributable to defect or failure of its products.
- The manufacturer shall not be liable in any manner for issues related to or failure in the performance of any other equipment to which the product is connected.
Reviews
Description
About the Product
The Three Phase Semi Automatic Star Delta Starter is a motor control & protection device designed for starting & operating three phase induction motors using reduced voltage starting.
It starts the motor in star configuration to limit starting current & then allows transition to delta configuration for normal running conditions. This helps reduce electrical & mechanical stress on the motor & connected equipment, making it suitable for pumps, compressors, fans, blowers, conveyors, & industrial machinery.
How the Semi Automatic Star Delta Starter Works
This starter provides controlled motor starting through a star-delta transition process:
• Starts the motor in star configuration with reduced voltage
• Minimizes inrush current during startup
• Reduces stress on motor windings & mechanical systems
• Allows transition to delta configuration for full-load operation
• Ensures efficient motor performance during running conditions
• Improves system reliability & operational stability
Semi automatic star-delta starters are suitable for installations that require reduced voltage starting with operator-controlled or semi-automatic transition.
Electrical Configuration
• Phase: Three Phase
• Starter Type: Semi Automatic Star Delta Starter
• Application: Three Phase Motor Control
• Function: Reduced Voltage Motor Starting & Protection
• System Compatibility: Low Voltage Three Phase Systems
• Usage: Industrial, Commercial, & Pumping Applications
Construction & Design
The starter is engineered for dependable operation in demanding environments:
• Integrated star-delta control & switching arrangement
• Robust enclosure suitable for panel mounting
• Designed for continuous & reliable operation
• Optimized internal electrical configuration
• Suitable for industrial & commercial installations
Safety & Protection
• Reduces high starting current during motor startup
• Minimizes mechanical stress on rotating equipment
• Supports safe motor operation
• Protects against overload conditions
• Improves motor life & operational reliability
• Helps reduce maintenance requirements
Mounting & Durability
• Suitable for panel mounting installations
• Designed for motor control panels & switchboards
• Durable construction for industrial environments
• Resistant to daily operational conditions
• Designed for long service life
Application Domains
• Industrial motor control systems
• Water pumping applications
• Compressors & air handling systems
• Fans & blowers
• Manufacturing machinery
• Material handling equipment
Key Features
• Three phase semi automatic star delta starter
• Reduced voltage motor starting capability
• Star-to-delta motor transition system
• Reduces starting current & electrical stress
• Integrated motor control & protection functionality
• Suitable for industrial & commercial applications
• Durable & reliable construction
Applications
• Water pumping systems
• Industrial machinery
• Air compressors
• Ventilation & blower systems
• Manufacturing plants
• Motor control panels
FAQs
1. What is a semi automatic star delta starter used for?
Ans: It is used to start three phase motors with reduced voltage while minimizing starting current & mechanical stress.
2. How does a star delta starter work?
Ans: The motor starts in star configuration & transitions to delta configuration for normal full-load operation.
3. Why use a star delta starter?
Ans: It helps reduce inrush current, protects the electrical system, & improves motor life.
4. Where are semi automatic star delta starters commonly used?
Ans: They are widely used in pumps, compressors, fans, blowers, conveyors, & industrial machinery.
5. Does the starter provide motor protection?
Ans: Yes, it supports overload protection & safe motor operation.
6. Is it suitable for industrial applications?
Ans: Yes, it is commonly used in industrial & commercial motor control systems.
7. What are the benefits of reduced voltage starting?
Ans: It reduces electrical stress, lowers starting current, minimizes mechanical wear, & improves overall system reliability.
Overview
| Coil Voltage | 360V |
|---|---|
| DOL/SASD/ FASD | SASD |
| Conformity to Standard | IS/IEC 60947-4-1 |
| Contactor Electrical Life - AC3 | 1 Million Operations |
| Discount Percentage | Between 0-10 % |
| Mechanical Life | 10 Million Operations |
| type | MK1 SASD |
| Rated Insulation Voltage | 690V |
| HP | 0.5HP |
| Length(mm) | 399 |
| Breadth(mm) | 115 |
| Height(mm) | 221 |
| Relay Range (A) | 6 - 10A |
Warranty
- All products listed in the price list are covered by a warranty against manufacturing defects for a period of 18* months from the date of purchase.
- For Lauritz Knudsen MCBs & Isolators mounted inside Lauritz Knudsen Distribution Boards, an extended warranty of 5 years is provided.
- In the event of a defect due to faulty workmanship or other associated reasons, the manufacturer will, at its discretion, remedy the defect or replace the faulty parts or the entire product as soon as possible, free of cost.
- This warranty is subject to proper usage and efficient maintenance and does not cover defects arising from fire, accidents, inefficient maintenance, faulty operation, or deliberate or accidental damage.
- The warranty does not cover damage to power electronic components such as thyristors & IGBTs, which primarily fail due to over-temperature or over-voltage. Users must take adequate precautions to eliminate such conditions.
- The manufacturer shall not be responsible or liable for any special, incidental, social, or consequential losses (including loss of profits), punitive damages, injury, or damages of any kind solely attributable to defect or failure of its products.
- The manufacturer shall not be liable in any manner for issues related to or failure in the performance of any other equipment to which the product is connected.