Lauritz Knudsen MU-G6 Three Phase Submersible Pump Controllers (With Single Phase Preventer) of 3HP | Relay Range 4-6.5A | DOL (With Wideband Coil)
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Lauritz Knudsen MU-G6 Three Phase Submersible Pump Controllers (With Single Phase Preventer) of 3HP | Relay Range 4-6.5A | DOL (With Wideband Coil)
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Three Phase DOL Controller for Submersible Pump Application is a control & protection unit designed for starting & operating three phase submersible pump motors.
It enables direct-on-line (DOL) starting by supplying full voltage to the motor, making it suitable for borewell installations, irrigation systems, & industrial water pumping applications where reliable motor control & protection are required.
How the DOL Controller Works
This controller ensures safe & efficient motor operation by managing motor starting & protection functions:
• Directly connects the motor to the power supply for DOL starting
• Applies full voltage for immediate motor startup
• Enables quick motor acceleration & operation
• Monitors electrical conditions during operation
• Protects the motor from abnormal electrical conditions & overloads
DOL controllers are widely used where motors are designed to operate safely with full voltage starting.
Electrical Configuration
• Phase: Three Phase
• Control Type: Direct-On-Line (DOL) Starter
• Application: Submersible pump motor control
• Function: Motor starting & protection
• System Compatibility: Low-voltage three phase systems
• Usage: Full voltage motor starting
Construction & Design
The controller is engineered for reliable performance in demanding pumping applications:
• Integrated motor control & protection components
• Durable enclosure suitable for panel-mounted installations
• Designed for stable & continuous operation
• Optimized internal electrical configuration for dependable performance
• Suitable for agricultural & industrial environments
Safety & Protection
• Protects against motor overload conditions
• Helps prevent damage due to voltage fluctuations
• Provides protection against phase-related faults
• Ensures controlled switching during operation
• Improves overall system reliability & motor safety
Mounting & Durability
• Suitable for panel mounting installations
• Designed for pump control panels & enclosures
• Suitable for outdoor & agricultural environments when installed in appropriate enclosures
• Resistant to dust & typical operating conditions
• Designed for long service life & dependable performance
Application Domains
• Submersible pump systems
• Borewell installations
• Agricultural irrigation systems
• Industrial water pumping systems
• Water supply applications
Key Features
• Three phase DOL controller for pump applications
• Direct-on-line motor starting capability
• Integrated motor control & protection system
• Suitable for submersible pump operations
• Durable construction for field applications
• Designed for agricultural & industrial use
• Easy integration into electrical panels
Applications
• Irrigation & farming systems
• Borewell pump installations
• Industrial water pumping systems
• Motor control panels
• Water supply & distribution systems
FAQs
1. What is a DOL controller used for?
Ans: It is used for direct-on-line starting & protection of three phase motors, especially in pump applications.
2. What does DOL mean?
Ans: DOL stands for Direct-On-Line, where full supply voltage is applied directly to the motor during startup.
3. Where is this controller typically installed?
Ans: It is commonly installed in pump control panels, borewell systems, & irrigation applications.
4. Is it suitable for submersible pumps?
Ans: Yes, it is specifically designed for submersible pump motor applications.
5. Does it provide motor protection?
Ans: Yes, it includes protection against overload conditions & electrical faults.
6. Can it be used in agricultural environments?
Ans: Yes, it is suitable for agricultural irrigation & water management applications.
7. Why is DOL starting used?
Ans: DOL starting provides a simple & effective method of starting motors that can safely handle full voltage startup.
Overview
| Coil Voltage | 360V-W (200V-400V) |
|---|---|
| DOL/SASD/ FASD | DOL |
| 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 |
| Service temperature | -5˚C to 55˚C |
| type | MU-G6 |
| Rated Impulse Withstand Voltage | 8kV |
| Rated Insulation Voltage | 690V |
| With/ Without WLC | Without WLC |
| HP | 3HP |
| Length(mm) | 276 |
| Breadth(mm) | 123 |
| Height(mm) | 250 |
| Relay Range (A) | 4 - 6.5A |
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 DOL Controller for Submersible Pump Application is a control & protection unit designed for starting & operating three phase submersible pump motors.
It enables direct-on-line (DOL) starting by supplying full voltage to the motor, making it suitable for borewell installations, irrigation systems, & industrial water pumping applications where reliable motor control & protection are required.
How the DOL Controller Works
This controller ensures safe & efficient motor operation by managing motor starting & protection functions:
• Directly connects the motor to the power supply for DOL starting
• Applies full voltage for immediate motor startup
• Enables quick motor acceleration & operation
• Monitors electrical conditions during operation
• Protects the motor from abnormal electrical conditions & overloads
DOL controllers are widely used where motors are designed to operate safely with full voltage starting.
Electrical Configuration
• Phase: Three Phase
• Control Type: Direct-On-Line (DOL) Starter
• Application: Submersible pump motor control
• Function: Motor starting & protection
• System Compatibility: Low-voltage three phase systems
• Usage: Full voltage motor starting
Construction & Design
The controller is engineered for reliable performance in demanding pumping applications:
• Integrated motor control & protection components
• Durable enclosure suitable for panel-mounted installations
• Designed for stable & continuous operation
• Optimized internal electrical configuration for dependable performance
• Suitable for agricultural & industrial environments
Safety & Protection
• Protects against motor overload conditions
• Helps prevent damage due to voltage fluctuations
• Provides protection against phase-related faults
• Ensures controlled switching during operation
• Improves overall system reliability & motor safety
Mounting & Durability
• Suitable for panel mounting installations
• Designed for pump control panels & enclosures
• Suitable for outdoor & agricultural environments when installed in appropriate enclosures
• Resistant to dust & typical operating conditions
• Designed for long service life & dependable performance
Application Domains
• Submersible pump systems
• Borewell installations
• Agricultural irrigation systems
• Industrial water pumping systems
• Water supply applications
Key Features
• Three phase DOL controller for pump applications
• Direct-on-line motor starting capability
• Integrated motor control & protection system
• Suitable for submersible pump operations
• Durable construction for field applications
• Designed for agricultural & industrial use
• Easy integration into electrical panels
Applications
• Irrigation & farming systems
• Borewell pump installations
• Industrial water pumping systems
• Motor control panels
• Water supply & distribution systems
FAQs
1. What is a DOL controller used for?
Ans: It is used for direct-on-line starting & protection of three phase motors, especially in pump applications.
2. What does DOL mean?
Ans: DOL stands for Direct-On-Line, where full supply voltage is applied directly to the motor during startup.
3. Where is this controller typically installed?
Ans: It is commonly installed in pump control panels, borewell systems, & irrigation applications.
4. Is it suitable for submersible pumps?
Ans: Yes, it is specifically designed for submersible pump motor applications.
5. Does it provide motor protection?
Ans: Yes, it includes protection against overload conditions & electrical faults.
6. Can it be used in agricultural environments?
Ans: Yes, it is suitable for agricultural irrigation & water management applications.
7. Why is DOL starting used?
Ans: DOL starting provides a simple & effective method of starting motors that can safely handle full voltage startup.
Overview
| Coil Voltage | 360V-W (200V-400V) |
|---|---|
| DOL/SASD/ FASD | DOL |
| 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 |
| Service temperature | -5˚C to 55˚C |
| type | MU-G6 |
| Rated Impulse Withstand Voltage | 8kV |
| Rated Insulation Voltage | 690V |
| With/ Without WLC | Without WLC |
| HP | 3HP |
| Length(mm) | 276 |
| Breadth(mm) | 123 |
| Height(mm) | 250 |
| Relay Range (A) | 4 - 6.5A |
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.