Lauritz Knudsen MU-G15S SMART Controller FASD - for Submersible Pump of 15 HP | Suitable for South Region | IVRS Language - English, Hindi, Kannada, Telugu, Tamil | In-built Theft protection | Relay Range 4-12A | 360V AC
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Lauritz Knudsen MU-G15S SMART Controller FASD - for Submersible Pump of 15 HP | Suitable for South Region | IVRS Language - English, Hindi, Kannada, Telugu, Tamil | In-built Theft protection | Relay Range 4-12A | 360V AC
- Description
- Specifications
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- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen Smart Fully Automatic Star-Delta Three Phase Submersible Pump Controller MU-G15S – South Zone (360V) is a high-performance motor control & protection solution specifically designed for 15HP three-phase submersible pumps operating up to 360V AC. Engineered to provide efficient motor starting, advanced protection, & reliable pump operation, this controller is ideal for agricultural irrigation systems, borewell applications, water distribution networks, & medium-capacity pumping installations where reliability & long-term performance are essential.
The controller utilizes the Star-Delta starting method, a proven motor starting technique that significantly reduces starting current & minimizes mechanical stress during motor startup. By initially starting the motor in Star mode & automatically transitioning to Delta mode, the controller ensures smooth acceleration, reduced voltage fluctuations, improved electrical efficiency, & enhanced equipment lifespan. This makes it particularly suitable for 15HP motors where Direct-On-Line starting may result in excessive inrush current & system stress.
Designed with an operating current range of 4A to 22A, the MU-G15S supports varying load conditions within specific 15HP pump configurations. The controller continuously monitors motor operating parameters & delivers integrated protection functions that help safeguard both the motor & pump from common electrical & operational faults.
The built-in protection system provides reliable protection against overload conditions, phase failure, voltage imbalance, & dry run situations. These protection features help prevent motor damage, reduce maintenance requirements, minimize downtime, & improve overall system reliability & operational safety.
The fully automatic functionality eliminates the need for manual intervention by automatically transitioning from Star mode to Delta mode during startup. This ensures optimized motor performance, simplified operation, & consistent startup behavior under varying load conditions.
The 360V variant is specifically optimized for lower-voltage applications that operate below standard 415V systems. This provides improved voltage monitoring sensitivity, tighter protection thresholds, & enhanced compatibility with installations operating under specific regional power conditions.
The controller is housed in a rugged & compact enclosure designed to withstand demanding outdoor environments. Its durable construction ensures reliable operation in agricultural fields, borewell sites, rural pumping stations, & utility infrastructure projects. The user-friendly design supports easy installation, straightforward operation, & simplified maintenance.
The South Zone configuration is aligned with regional deployment requirements, environmental conditions, & service infrastructure, ensuring optimized compatibility & support within the designated geographical region.
This Smart Fully Automatic Star-Delta Controller is an ideal solution for applications requiring reduced starting current, integrated protection, efficient motor control, & long-term operational reliability.
How the Mechanism Works
The controller functions by:
• Starting the motor in Star mode to reduce startup current
• Automatically switching to Delta mode after acceleration
• Minimizing electrical & mechanical stress during startup
• Continuously monitoring motor operating current
• Detecting overload conditions
• Identifying phase failure situations
• Monitoring voltage imbalance conditions
• Protecting against dry run operation
• Preventing damage caused by abnormal operating conditions
• Supporting efficient & reliable pump performance
It serves as a complete motor starting, control, & protection solution for medium-capacity three-phase submersible pumps.
Electrical Configuration
• Product Type: Fully Automatic Star-Delta Pump Controller
• Model: MU-G15S
• Motor Rating: 15HP
• Operating Voltage: Up to 360V AC
• Phase Configuration: Three Phase
• Current Range: 4A–22A
• Starting Method: Automatic Star-Delta Starting
• Application: Submersible Pump Control & Protection
• Deployment Region: South Zone
• Primary Purpose: Motor Starting, Protection, & Pump Management
Construction & Design
Designed for reliability & field performance:
• Compact controller enclosure
• Rugged industrial-grade construction
• Automatic Star-Delta switching mechanism
• Precision protection circuitry
• Heavy-duty internal components
• User-friendly operating interface
• Field-ready outdoor suitability
• Easy installation arrangement
• Durable long-life design
• Low maintenance requirements
Safety & Protection
Provides protection against:
• Overload conditions
• Phase failure conditions
• Voltage imbalance situations
• Dry run operation
• Excessive startup current stress
• Motor overheating risks
• Pump damage caused by abnormal operation
• Electrical system faults
• Unsafe operating conditions
• Premature equipment failure
Purpose & Function
• Reduces starting current during motor startup
• Minimizes mechanical stress on motor components
• Improves motor service life
• Enhances pumping system reliability
• Reduces maintenance requirements
• Supports smooth & stable motor acceleration
• Improves operational efficiency
• Enables automatic operation without manual intervention
• Suitable for medium-capacity pump applications
• Optimizes overall pumping performance
Application Domains
• Agricultural Irrigation Systems
• Borewell & Submersible Pump Installations
• Medium-Capacity Water Pumping Systems
• Rural & Remote Pumping Applications
• Water Supply & Distribution Networks
• Infrastructure & Utility Projects
• Groundwater Extraction Systems
• Farm Water Management Applications
• Community Water Supply Systems
• Commercial Water Pumping Installations
Key Features
• Smart Fully Automatic Star-Delta motor controller
• Rated for 15HP three-phase submersible pumps
• Operating voltage: Up to 360V AC
• Current range: 4A–22A
• Reduces starting current & mechanical stress
• Automatic Star-to-Delta transition during startup
• Integrated overload protection
• Integrated phase failure protection
• Integrated voltage imbalance protection
• Integrated dry run protection
• Suitable for medium-capacity pump applications
• Optimized for 360V systems (lower voltage applications)
• Rugged & durable design for field use
• Easy installation & operation
• Designed for South Zone deployment
• Reliable long-term performance
Applications
• Agricultural irrigation systems
• Borewell & submersible pump installations
• Medium-capacity water pumping systems
• Rural & remote pumping applications
• Water supply & distribution networks
• Infrastructure & utility projects
• Groundwater extraction systems
• Farm water management applications
• Community water supply systems
• Commercial water pumping installations
FAQs
1. What is a Star-Delta pump controller used for?
Ans: It is used to reduce starting current & mechanical stress during motor startup, ensuring smoother operation, improved efficiency, & enhanced equipment protection.
2. What motor rating does this support?
Ans: It is specifically designed to support 15HP three-phase submersible pump motors.
3. Why use Star-Delta instead of DOL?
Ans: Star-Delta starters significantly reduce startup current & mechanical load, making them more suitable for medium & high-capacity motors compared to Direct-On-Line starters.
4. What voltage does it operate on?
Ans: It operates on systems up to 360V AC, making it suitable for lower-voltage installations requiring enhanced protection sensitivity.
5. Is it fully automatic?
Ans: Yes. The controller automatically switches from Star mode to Delta mode during startup, ensuring smooth operation without manual intervention.
6. Where is this controller typically used?
Ans: It is commonly used in irrigation systems, borewell pumps, medium-capacity water pumping installations, water distribution networks, & agricultural water management projects.
7. Why is the Star-Delta starting method beneficial?
Ans: The Star-Delta method reduces inrush current & startup stress, helping improve motor life, lower electrical disturbances, & enhance overall system reliability.
8. What protection features are included?
Ans: The controller includes protection against overload, phase failure, voltage imbalance, dry run conditions, & startup-related electrical stress to ensure safe & dependable operation.
Overview
| Coil Voltage | 360V (Wide Band) |
|---|---|
| Conformity to Standard | IS/IEC 60947-4-1 |
| Environment | Suitable for Humid, Dusty and Hot Environment |
| Contactor Electrical Life - AC3 | 1 Million operations |
| Region | SOUTH |
| Discount Percentage | Between 0-10 % |
| Mechanical Life | 10 Million operations |
| Service temperature | -5˚C to 55˚C |
| Rated impulse withstand voltage (Uimp) | 4KV |
| Rated Insulation Voltage Ui (V) | 690V |
| With/ Without WLC | Without WLC |
| HP | 15HP |
| Length(mm) | 526 |
| Breadth(mm) | 119 |
| Height(mm) | 470 |
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 Lauritz Knudsen Smart Fully Automatic Star-Delta Three Phase Submersible Pump Controller MU-G15S – South Zone (360V) is a high-performance motor control & protection solution specifically designed for 15HP three-phase submersible pumps operating up to 360V AC. Engineered to provide efficient motor starting, advanced protection, & reliable pump operation, this controller is ideal for agricultural irrigation systems, borewell applications, water distribution networks, & medium-capacity pumping installations where reliability & long-term performance are essential.
The controller utilizes the Star-Delta starting method, a proven motor starting technique that significantly reduces starting current & minimizes mechanical stress during motor startup. By initially starting the motor in Star mode & automatically transitioning to Delta mode, the controller ensures smooth acceleration, reduced voltage fluctuations, improved electrical efficiency, & enhanced equipment lifespan. This makes it particularly suitable for 15HP motors where Direct-On-Line starting may result in excessive inrush current & system stress.
Designed with an operating current range of 4A to 22A, the MU-G15S supports varying load conditions within specific 15HP pump configurations. The controller continuously monitors motor operating parameters & delivers integrated protection functions that help safeguard both the motor & pump from common electrical & operational faults.
The built-in protection system provides reliable protection against overload conditions, phase failure, voltage imbalance, & dry run situations. These protection features help prevent motor damage, reduce maintenance requirements, minimize downtime, & improve overall system reliability & operational safety.
The fully automatic functionality eliminates the need for manual intervention by automatically transitioning from Star mode to Delta mode during startup. This ensures optimized motor performance, simplified operation, & consistent startup behavior under varying load conditions.
The 360V variant is specifically optimized for lower-voltage applications that operate below standard 415V systems. This provides improved voltage monitoring sensitivity, tighter protection thresholds, & enhanced compatibility with installations operating under specific regional power conditions.
The controller is housed in a rugged & compact enclosure designed to withstand demanding outdoor environments. Its durable construction ensures reliable operation in agricultural fields, borewell sites, rural pumping stations, & utility infrastructure projects. The user-friendly design supports easy installation, straightforward operation, & simplified maintenance.
The South Zone configuration is aligned with regional deployment requirements, environmental conditions, & service infrastructure, ensuring optimized compatibility & support within the designated geographical region.
This Smart Fully Automatic Star-Delta Controller is an ideal solution for applications requiring reduced starting current, integrated protection, efficient motor control, & long-term operational reliability.
How the Mechanism Works
The controller functions by:
• Starting the motor in Star mode to reduce startup current
• Automatically switching to Delta mode after acceleration
• Minimizing electrical & mechanical stress during startup
• Continuously monitoring motor operating current
• Detecting overload conditions
• Identifying phase failure situations
• Monitoring voltage imbalance conditions
• Protecting against dry run operation
• Preventing damage caused by abnormal operating conditions
• Supporting efficient & reliable pump performance
It serves as a complete motor starting, control, & protection solution for medium-capacity three-phase submersible pumps.
Electrical Configuration
• Product Type: Fully Automatic Star-Delta Pump Controller
• Model: MU-G15S
• Motor Rating: 15HP
• Operating Voltage: Up to 360V AC
• Phase Configuration: Three Phase
• Current Range: 4A–22A
• Starting Method: Automatic Star-Delta Starting
• Application: Submersible Pump Control & Protection
• Deployment Region: South Zone
• Primary Purpose: Motor Starting, Protection, & Pump Management
Construction & Design
Designed for reliability & field performance:
• Compact controller enclosure
• Rugged industrial-grade construction
• Automatic Star-Delta switching mechanism
• Precision protection circuitry
• Heavy-duty internal components
• User-friendly operating interface
• Field-ready outdoor suitability
• Easy installation arrangement
• Durable long-life design
• Low maintenance requirements
Safety & Protection
Provides protection against:
• Overload conditions
• Phase failure conditions
• Voltage imbalance situations
• Dry run operation
• Excessive startup current stress
• Motor overheating risks
• Pump damage caused by abnormal operation
• Electrical system faults
• Unsafe operating conditions
• Premature equipment failure
Purpose & Function
• Reduces starting current during motor startup
• Minimizes mechanical stress on motor components
• Improves motor service life
• Enhances pumping system reliability
• Reduces maintenance requirements
• Supports smooth & stable motor acceleration
• Improves operational efficiency
• Enables automatic operation without manual intervention
• Suitable for medium-capacity pump applications
• Optimizes overall pumping performance
Application Domains
• Agricultural Irrigation Systems
• Borewell & Submersible Pump Installations
• Medium-Capacity Water Pumping Systems
• Rural & Remote Pumping Applications
• Water Supply & Distribution Networks
• Infrastructure & Utility Projects
• Groundwater Extraction Systems
• Farm Water Management Applications
• Community Water Supply Systems
• Commercial Water Pumping Installations
Key Features
• Smart Fully Automatic Star-Delta motor controller
• Rated for 15HP three-phase submersible pumps
• Operating voltage: Up to 360V AC
• Current range: 4A–22A
• Reduces starting current & mechanical stress
• Automatic Star-to-Delta transition during startup
• Integrated overload protection
• Integrated phase failure protection
• Integrated voltage imbalance protection
• Integrated dry run protection
• Suitable for medium-capacity pump applications
• Optimized for 360V systems (lower voltage applications)
• Rugged & durable design for field use
• Easy installation & operation
• Designed for South Zone deployment
• Reliable long-term performance
Applications
• Agricultural irrigation systems
• Borewell & submersible pump installations
• Medium-capacity water pumping systems
• Rural & remote pumping applications
• Water supply & distribution networks
• Infrastructure & utility projects
• Groundwater extraction systems
• Farm water management applications
• Community water supply systems
• Commercial water pumping installations
FAQs
1. What is a Star-Delta pump controller used for?
Ans: It is used to reduce starting current & mechanical stress during motor startup, ensuring smoother operation, improved efficiency, & enhanced equipment protection.
2. What motor rating does this support?
Ans: It is specifically designed to support 15HP three-phase submersible pump motors.
3. Why use Star-Delta instead of DOL?
Ans: Star-Delta starters significantly reduce startup current & mechanical load, making them more suitable for medium & high-capacity motors compared to Direct-On-Line starters.
4. What voltage does it operate on?
Ans: It operates on systems up to 360V AC, making it suitable for lower-voltage installations requiring enhanced protection sensitivity.
5. Is it fully automatic?
Ans: Yes. The controller automatically switches from Star mode to Delta mode during startup, ensuring smooth operation without manual intervention.
6. Where is this controller typically used?
Ans: It is commonly used in irrigation systems, borewell pumps, medium-capacity water pumping installations, water distribution networks, & agricultural water management projects.
7. Why is the Star-Delta starting method beneficial?
Ans: The Star-Delta method reduces inrush current & startup stress, helping improve motor life, lower electrical disturbances, & enhance overall system reliability.
8. What protection features are included?
Ans: The controller includes protection against overload, phase failure, voltage imbalance, dry run conditions, & startup-related electrical stress to ensure safe & dependable operation.
Overview
| Coil Voltage | 360V (Wide Band) |
|---|---|
| Conformity to Standard | IS/IEC 60947-4-1 |
| Environment | Suitable for Humid, Dusty and Hot Environment |
| Contactor Electrical Life - AC3 | 1 Million operations |
| Region | SOUTH |
| Discount Percentage | Between 0-10 % |
| Mechanical Life | 10 Million operations |
| Service temperature | -5˚C to 55˚C |
| Rated impulse withstand voltage (Uimp) | 4KV |
| Rated Insulation Voltage Ui (V) | 690V |
| With/ Without WLC | Without WLC |
| HP | 15HP |
| Length(mm) | 526 |
| Breadth(mm) | 119 |
| Height(mm) | 470 |
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.