Lauritz Knudsen MU-G20S SMART Controller FASD - for Submersible Pump of 20 HP | Suitable for North Region | IVRS Language - English, Hindi, Marathi, Gujarati, Punjabi | In-built Theft protection | Relay Range 4-22A | 415V AC
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Lauritz Knudsen MU-G20S SMART Controller FASD - for Submersible Pump of 20 HP | Suitable for North Region | IVRS Language - English, Hindi, Marathi, Gujarati, Punjabi | In-built Theft protection | Relay Range 4-22A | 415V AC
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
About the Product The Lauritz Knudsen Smart Fully Automatic Star?Delta Three Phase Submersible Pump Controller MU?G20S – North Zone (415V) is a high-efficiency motor control solution designed for 20HP submersible pumps operating at 415V AC. It ensures smooth motor startup, integrated safety protection, & reliable operational performance, making it ideal for agricultural irrigation, water management, & medium-to-large pumping applications.
This controller utilizes the Star?Delta starting method, significantly reducing initial inrush current & mechanical stress during motor start-up. This results in smoother operation, minimized voltage drops, & improved electrical system stability—particularly critical for 20HP motors, where direct-on-line (DOL) starters may cause high stress on both the motor & supply system.
The controller supports a current range of 4–22A, enabling flexibility across different load conditions within the 20HP category under specific operating configurations. It integrates comprehensive motor protection features to safeguard the system against common electrical issues such as:
Overload conditions
Phase failure
Voltage imbalance
Dry run scenarios
These protections help enhance motor lifespan, minimize downtime, & ensure safe & consistent performance in demanding environments.
The fully automatic functionality allows seamless switching from star configuration to delta configuration, ensuring optimal motor performance without manual intervention.
Designed for standard 415V three-phase systems, this variant ensures broad compatibility across agricultural & industrial installations.
The controller is built with a rugged & durable enclosure, suitable for harsh conditions such as outdoor pump installations, agricultural fields, & remote infrastructure locations. Its easy installation & user-friendly interface make it suitable for both new installations & system upgrades.
The North zone configuration ensures compatibility with regional infrastructure, environmental conditions, & service support networks.
This controller is ideal for applications requiring reduced electrical stress, controlled motor starting, integrated protection, & long-term reliable operation.
Key Features
• Smart Fully Automatic Star?Delta motor controller
• Rated for 20HP three-phase submersible pumps
• Operating voltage: 415V AC
• Current range: 4–22A
• Reduces starting current & mechanical stress
• Automatic star-to-delta transition for smooth startup
• Integrated protection against:
• Overload
• Phase failure
• Voltage imbalance
• Dry run
• Suitable for medium-to-high capacity pump systems
• Designed for standard 415V applications
• Rugged & durable construction for field use
• Easy installation & operation
• Designed for North zone deployment
• Reliable performance in demanding environments
Applications
• Agricultural irrigation systems
• Borewell & submersible pump installations
• Medium-to-large water pumping systems
• Rural & remote water infrastructure
• Water supply & distribution networks
• Industrial & utility applications
FAQs
1. What is a Star?Delta controller used for?
Ans: It is used to reduce starting current & mechanical stress, ensuring smoother & more efficient motor startup.
2. What motor rating does this controller support?
Ans: It supports 20HP motors.
3. Why is Star?Delta preferred for higher HP motors?
Ans: It minimizes inrush current & stress on electrical systems, making it ideal for medium & high-capacity motors.
4. What voltage does it operate on?
Ans: It operates at 415V AC, suitable for standard three-phase systems.
5. Is this controller fully automatic?
Ans: Yes, it automatically transitions between star & delta modes, ensuring smooth & efficient operation.
6. Where is this used?
Ans: It is commonly used in irrigation systems, borewell pumps, & medium-to-high capacity pumping applications.
Overview
| Coil Voltage | 415V |
|---|---|
| Conformity to Standard | IS/IEC 60947-4-1 |
| Environment | Suitable for Humid, Dusty and Hot Environment |
| Contactor Electrical Life - AC3 | 1 Million operations |
| Region | NORTH |
| 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 | 20HP |
| 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
About the Product The Lauritz Knudsen Smart Fully Automatic Star?Delta Three Phase Submersible Pump Controller MU?G20S – North Zone (415V) is a high-efficiency motor control solution designed for 20HP submersible pumps operating at 415V AC. It ensures smooth motor startup, integrated safety protection, & reliable operational performance, making it ideal for agricultural irrigation, water management, & medium-to-large pumping applications.
This controller utilizes the Star?Delta starting method, significantly reducing initial inrush current & mechanical stress during motor start-up. This results in smoother operation, minimized voltage drops, & improved electrical system stability—particularly critical for 20HP motors, where direct-on-line (DOL) starters may cause high stress on both the motor & supply system.
The controller supports a current range of 4–22A, enabling flexibility across different load conditions within the 20HP category under specific operating configurations. It integrates comprehensive motor protection features to safeguard the system against common electrical issues such as:
Overload conditions
Phase failure
Voltage imbalance
Dry run scenarios
These protections help enhance motor lifespan, minimize downtime, & ensure safe & consistent performance in demanding environments.
The fully automatic functionality allows seamless switching from star configuration to delta configuration, ensuring optimal motor performance without manual intervention.
Designed for standard 415V three-phase systems, this variant ensures broad compatibility across agricultural & industrial installations.
The controller is built with a rugged & durable enclosure, suitable for harsh conditions such as outdoor pump installations, agricultural fields, & remote infrastructure locations. Its easy installation & user-friendly interface make it suitable for both new installations & system upgrades.
The North zone configuration ensures compatibility with regional infrastructure, environmental conditions, & service support networks.
This controller is ideal for applications requiring reduced electrical stress, controlled motor starting, integrated protection, & long-term reliable operation.
Key Features
• Smart Fully Automatic Star?Delta motor controller
• Rated for 20HP three-phase submersible pumps
• Operating voltage: 415V AC
• Current range: 4–22A
• Reduces starting current & mechanical stress
• Automatic star-to-delta transition for smooth startup
• Integrated protection against:
• Overload
• Phase failure
• Voltage imbalance
• Dry run
• Suitable for medium-to-high capacity pump systems
• Designed for standard 415V applications
• Rugged & durable construction for field use
• Easy installation & operation
• Designed for North zone deployment
• Reliable performance in demanding environments
Applications
• Agricultural irrigation systems
• Borewell & submersible pump installations
• Medium-to-large water pumping systems
• Rural & remote water infrastructure
• Water supply & distribution networks
• Industrial & utility applications
FAQs
1. What is a Star?Delta controller used for?
Ans: It is used to reduce starting current & mechanical stress, ensuring smoother & more efficient motor startup.
2. What motor rating does this controller support?
Ans: It supports 20HP motors.
3. Why is Star?Delta preferred for higher HP motors?
Ans: It minimizes inrush current & stress on electrical systems, making it ideal for medium & high-capacity motors.
4. What voltage does it operate on?
Ans: It operates at 415V AC, suitable for standard three-phase systems.
5. Is this controller fully automatic?
Ans: Yes, it automatically transitions between star & delta modes, ensuring smooth & efficient operation.
6. Where is this used?
Ans: It is commonly used in irrigation systems, borewell pumps, & medium-to-high capacity pumping applications.
Overview
| Coil Voltage | 415V |
|---|---|
| Conformity to Standard | IS/IEC 60947-4-1 |
| Environment | Suitable for Humid, Dusty and Hot Environment |
| Contactor Electrical Life - AC3 | 1 Million operations |
| Region | NORTH |
| 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 | 20HP |
| 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.