Lauritz Knudsen MNX Power Contactor 40A, 3 Pole, 240V AC | AC1 Rating - 55A | AC3 Rating - 40A | Electrical Coil | Click fit type construction up to 40A
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Lauritz Knudsen MNX Power Contactor 40A, 3 Pole, 240V AC | AC1 Rating - 55A | AC3 Rating - 40A | Electrical Coil | Click fit type construction up to 40A
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen MNX Contactor 40A 3P 415V AC (AC 3) with 240V AC Coil (50–60 Hz) is a robust & high-performance industrial switching device engineered for reliable control of medium-capacity electric motors & inductive loads in industrial automation systems. With a 40A current rating & a 3 pole configuration, it is ideal for medium to high-duty motor control applications requiring high efficiency & dependable operation.
Designed for AC 3 duty applications, this contactor efficiently handles inductive loads such as motors, compressors, pumps, fans, & conveyor systems, managing high inrush currents during startup while ensuring stable switching throughout operation. The MNX series is known for its compact yet rugged design, long service life, & consistent performance, making it a preferred choice for industrial control panels.
The 240V AC coil (50–60 Hz) ensures compatibility with widely used control voltages, enabling seamless integration into modern automation systems. Built using high-quality materials & precision engineering, this contactor delivers reliable switching performance, durability, & enhanced operational efficiency in demanding industrial environments.
Purpose & Function
This contactor is designed for efficient motor control & automation:
• Controls medium-capacity three-phase motors
• Handles higher inrush current during motor startup
• Provides reliable switching & operational stability
• Supports industrial automation & process control
• Enhances overall system efficiency & performance
Electrical Configuration
• Product type: Contactor
• Model: MNX
• Rated current: 40A
• Number of poles: 3P
• Voltage rating: 415V AC
• Utilization category: AC 3 (motor loads)
• Coil voltage: 240V AC
• Frequency: 50–60 Hz
• Function: Motor switching, control, & protection
Construction & Design
Engineered for heavy-duty industrial performance:
• High-quality contacts for superior electrical conductivity
• Compact yet robust design for efficient panel installation
• Durable construction ensures long operational life
• Precision switching mechanism for consistent performance
• High mechanical & electrical endurance
Safety & Protection
• Ensures safe motor starting & stopping
• Handles higher electrical loads safely
• Reduces risk of electrical faults & equipment damage
• Provides stable switching under inductive loads
• Improves system reliability & safety
Mounting & Installation
• Suitable for panel or DIN rail mounting
• Compact structure for optimal space utilization
• Easy & secure installation process
• Simplified wiring & integration
• Ensures stable & reliable electrical connections
Application Domains
• Motor control centers (MCC panels)
• Industrial automation systems
• Pumps, compressors, & heavy-duty motors
• Conveyor systems & production lines
• HVAC & process industries
• Electrical control panels
Key Features
• 40A rated MNX contactor
• 3-pole configuration for motor control
• AC 3 duty for inductive loads
• 240V AC coil (50–60 Hz)
• Heavy-duty, compact, & industrial-grade design
Applications
• Medium to large motor switching & control
• Industrial automation systems
• Pump & compressor applications
• Conveyor & machinery operations
• Electrical control panels
FAQs
1. What is an AC 3 contactor?
Ans: An AC 3 contactor is designed for switching inductive loads such as motors & safely handling high starting currents.
2. What does 40A rating indicate?
Ans: It indicates the contactor can handle up to 40 amps under standard operating conditions.
3. What is the advantage of a 240V coil?
Ans: It ensures compatibility with widely used industrial control voltages & reliable operation.
4. Where is this contactor used?
Ans: It is used in industrial automation systems, motor control panels, & machinery control applications.
5. Is it suitable for heavy-duty motors?
Ans: Yes, it is suitable for medium to high-capacity motor control applications.
6. What is MNX series known for?
Ans: The MNX series is known for compact design, durability, & reliable industrial performance.
7. Is installation easy?
Ans: Yes, it is designed for quick & secure installation in control panels.
Overview
| Ambient temperature | -20 to 55 degree C |
|---|---|
| Mechanical Life (No. of operating cycles) | 3600 Cy/Hr |
| Rated impulse withstand voltage (Uimp) | 8kV |
| Rated Insulation Voltage Ui (V) | 690V |
| Conformance to Standards | IS/IEC 6094741, IEC 6094741 |
| Coil Voltage | 240 V AC |
| Rated operational current at 415V | 40A |
| Discount Percentage | Between 0-10 % |
| No. of Poles | 3P |
| Height(mm) | 83 |
| Width(mm) | 45 |
| Depth(mm) | 95.7 |
| Rated kW | 22.5kW |
| Rated making capacity | 550V |
| Coil Operating band %Uc (Pick up) | 80 - 110 % |
| Rated breaking capacity | 500V |
| Mechanical Life | 10 Million |
| Coil Operating band %Uc (Drop off) | 35 - 65 % |
| Pick up VA consumption | 68VA |
| Hold on VA consumption | 11VA |
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 MNX Contactor 40A 3P 415V AC (AC 3) with 240V AC Coil (50–60 Hz) is a robust & high-performance industrial switching device engineered for reliable control of medium-capacity electric motors & inductive loads in industrial automation systems. With a 40A current rating & a 3 pole configuration, it is ideal for medium to high-duty motor control applications requiring high efficiency & dependable operation.
Designed for AC 3 duty applications, this contactor efficiently handles inductive loads such as motors, compressors, pumps, fans, & conveyor systems, managing high inrush currents during startup while ensuring stable switching throughout operation. The MNX series is known for its compact yet rugged design, long service life, & consistent performance, making it a preferred choice for industrial control panels.
The 240V AC coil (50–60 Hz) ensures compatibility with widely used control voltages, enabling seamless integration into modern automation systems. Built using high-quality materials & precision engineering, this contactor delivers reliable switching performance, durability, & enhanced operational efficiency in demanding industrial environments.
Purpose & Function
This contactor is designed for efficient motor control & automation:
• Controls medium-capacity three-phase motors
• Handles higher inrush current during motor startup
• Provides reliable switching & operational stability
• Supports industrial automation & process control
• Enhances overall system efficiency & performance
Electrical Configuration
• Product type: Contactor
• Model: MNX
• Rated current: 40A
• Number of poles: 3P
• Voltage rating: 415V AC
• Utilization category: AC 3 (motor loads)
• Coil voltage: 240V AC
• Frequency: 50–60 Hz
• Function: Motor switching, control, & protection
Construction & Design
Engineered for heavy-duty industrial performance:
• High-quality contacts for superior electrical conductivity
• Compact yet robust design for efficient panel installation
• Durable construction ensures long operational life
• Precision switching mechanism for consistent performance
• High mechanical & electrical endurance
Safety & Protection
• Ensures safe motor starting & stopping
• Handles higher electrical loads safely
• Reduces risk of electrical faults & equipment damage
• Provides stable switching under inductive loads
• Improves system reliability & safety
Mounting & Installation
• Suitable for panel or DIN rail mounting
• Compact structure for optimal space utilization
• Easy & secure installation process
• Simplified wiring & integration
• Ensures stable & reliable electrical connections
Application Domains
• Motor control centers (MCC panels)
• Industrial automation systems
• Pumps, compressors, & heavy-duty motors
• Conveyor systems & production lines
• HVAC & process industries
• Electrical control panels
Key Features
• 40A rated MNX contactor
• 3-pole configuration for motor control
• AC 3 duty for inductive loads
• 240V AC coil (50–60 Hz)
• Heavy-duty, compact, & industrial-grade design
Applications
• Medium to large motor switching & control
• Industrial automation systems
• Pump & compressor applications
• Conveyor & machinery operations
• Electrical control panels
FAQs
1. What is an AC 3 contactor?
Ans: An AC 3 contactor is designed for switching inductive loads such as motors & safely handling high starting currents.
2. What does 40A rating indicate?
Ans: It indicates the contactor can handle up to 40 amps under standard operating conditions.
3. What is the advantage of a 240V coil?
Ans: It ensures compatibility with widely used industrial control voltages & reliable operation.
4. Where is this contactor used?
Ans: It is used in industrial automation systems, motor control panels, & machinery control applications.
5. Is it suitable for heavy-duty motors?
Ans: Yes, it is suitable for medium to high-capacity motor control applications.
6. What is MNX series known for?
Ans: The MNX series is known for compact design, durability, & reliable industrial performance.
7. Is installation easy?
Ans: Yes, it is designed for quick & secure installation in control panels.
Overview
| Ambient temperature | -20 to 55 degree C |
|---|---|
| Mechanical Life (No. of operating cycles) | 3600 Cy/Hr |
| Rated impulse withstand voltage (Uimp) | 8kV |
| Rated Insulation Voltage Ui (V) | 690V |
| Conformance to Standards | IS/IEC 6094741, IEC 6094741 |
| Coil Voltage | 240 V AC |
| Rated operational current at 415V | 40A |
| Discount Percentage | Between 0-10 % |
| No. of Poles | 3P |
| Height(mm) | 83 |
| Width(mm) | 45 |
| Depth(mm) | 95.7 |
| Rated kW | 22.5kW |
| Rated making capacity | 550V |
| Coil Operating band %Uc (Pick up) | 80 - 110 % |
| Rated breaking capacity | 500V |
| Mechanical Life | 10 Million |
| Coil Operating band %Uc (Drop off) | 35 - 65 % |
| Pick up VA consumption | 68VA |
| Hold on VA consumption | 11VA |
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.