Lauritz Knudsen MNX Power Contactor 140A, 3 Pole, 110V AC | AC1 Rating - 160A | AC3 Rating - 140A | with 2 Inbuilt + 2 in auxilary contacts | Electrical Coil | Click fit type construction up to 40A
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Lauritz Knudsen MNX Power Contactor 140A, 3 Pole, 110V AC | AC1 Rating - 160A | AC3 Rating - 140A | with 2 Inbuilt + 2 in auxilary contacts | Electrical Coil | Click fit type construction up to 40A
- Description
- Specifications
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- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen MNX Contactor 140A 3P 415V AC (AC 3) with 110V AC Coil (50–60 Hz) is a high-capacity industrial switching device engineered for efficient & reliable control of large electric motors & inductive loads in demanding industrial & commercial environments. With a 140A current rating & a 3 pole configuration, it is ideal for heavy-duty three-phase motor control systems requiring robust & dependable performance.
Designed for AC 3 duty applications, this contactor effectively manages inductive loads such as motors, compressors, pumps, & conveyors, including high inrush currents during motor startup & stable operation during continuous running. The MNX series is well known for its compact footprint, rugged construction, & long operational life, making it suitable for modern automation panels & industrial electrical systems.
The 110V AC coil (50–60 Hz) ensures compatibility with standard control circuits, allowing smooth & efficient integration into industrial automation environments. Built with premium-quality materials & precision engineering, this contactor delivers consistent switching performance, high durability, & reliable operation under heavy load conditions.
Purpose & Function
This contactor is engineered for efficient motor control & industrial switching:
• Controls large three-phase motors & inductive loads
• Handles high inrush current during motor startup
• Provides reliable switching & operational stability
• Supports advanced automation & control systems
• Enhances overall system efficiency & performance
Electrical Configuration
• Product type: Contactor
• Model: MNX
• Rated current: 140A
• Number of poles: 3P
• Voltage rating: 415V AC
• Utilization category: AC 3 (motor loads)
• Coil voltage: 110V AC
• Frequency: 50–60 Hz
• Function: Motor switching, control, & protection
Construction & Design
Engineered for rugged industrial performance:
• High-quality contacts for superior electrical conductivity
• Compact & space-efficient design for panel installation
• Heavy-duty construction ensures long service life
• Optimized switching mechanism for stable operation
• High mechanical & electrical endurance
Safety & Protection
• Ensures safe motor starting & stopping
• Reduces risk of electrical faults & equipment damage
• Provides stable switching under inductive load conditions
• Enhances protection of industrial control systems
• Improves overall system safety & reliability
Mounting & Installation
• Suitable for panel mounting
• Compact design for efficient space utilization
• Easy & secure installation process
• Simplified wiring & integration
• Ensures strong & reliable electrical connections
Application Domains
• Motor control centers (MCC panels)
• Industrial automation systems
• Pumps, compressors, & conveyor systems
• HVAC systems & machinery control
• Manufacturing & processing industries
• Electrical control & protection systems
Key Features
• 140A rated MNX contactor
• 3-pole configuration for motor control
• AC 3 duty for inductive applications
• 110V AC coil (50–60 Hz)
• Compact, durable, & industrial-grade design
Applications
• Heavy-duty motor switching & control
• Industrial automation systems
• Pump & compressor applications
• Conveyor & machinery operations
• Large-scale electrical installations
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 3P mean?
Ans: It indicates a three-pole contactor used for controlling three-phase circuits.
3. What is the coil voltage?
Ans: This model operates with a 110V AC coil (50–60 Hz).
4. Where is this contactor used?
Ans: It is used in motor control panels, industrial automation systems, & heavy-duty machinery applications.
5. Is it suitable for high-capacity motors?
Ans: Yes, it is specifically designed for large motor & industrial load switching applications.
6. What is MNX series known for?
Ans: The MNX series is known for compact design, reliability, & strong performance in industrial environments.
7. Is installation easy?
Ans: Yes, it is designed for quick, secure, & efficient installation in electrical 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) | 1000V |
| Conformance to Standards | IS/IEC 6094741, IEC 6094741 |
| Coil Voltage | 110 V AC |
| Rated operational current at 415V | 140A |
| Discount Percentage | Between 0-10 % |
| No. of Poles | 3P |
| Height(mm) | 175 |
| Width(mm) | 137 |
| Depth(mm) | 152 |
| Rated kW | 75kW |
| Rated making capacity | 1800VA |
| Coil Operating band %Uc (Pick up) | 80 - 110 % |
| Rated breaking capacity | 1600VA |
| Mechanical Life | 10 Million |
| Coil Operating band %Uc (Drop off) | 35 - 65 % |
| Pick up VA consumption | 550VA |
| Hold on VA consumption | 36VA |
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 140A 3P 415V AC (AC 3) with 110V AC Coil (50–60 Hz) is a high-capacity industrial switching device engineered for efficient & reliable control of large electric motors & inductive loads in demanding industrial & commercial environments. With a 140A current rating & a 3 pole configuration, it is ideal for heavy-duty three-phase motor control systems requiring robust & dependable performance.
Designed for AC 3 duty applications, this contactor effectively manages inductive loads such as motors, compressors, pumps, & conveyors, including high inrush currents during motor startup & stable operation during continuous running. The MNX series is well known for its compact footprint, rugged construction, & long operational life, making it suitable for modern automation panels & industrial electrical systems.
The 110V AC coil (50–60 Hz) ensures compatibility with standard control circuits, allowing smooth & efficient integration into industrial automation environments. Built with premium-quality materials & precision engineering, this contactor delivers consistent switching performance, high durability, & reliable operation under heavy load conditions.
Purpose & Function
This contactor is engineered for efficient motor control & industrial switching:
• Controls large three-phase motors & inductive loads
• Handles high inrush current during motor startup
• Provides reliable switching & operational stability
• Supports advanced automation & control systems
• Enhances overall system efficiency & performance
Electrical Configuration
• Product type: Contactor
• Model: MNX
• Rated current: 140A
• Number of poles: 3P
• Voltage rating: 415V AC
• Utilization category: AC 3 (motor loads)
• Coil voltage: 110V AC
• Frequency: 50–60 Hz
• Function: Motor switching, control, & protection
Construction & Design
Engineered for rugged industrial performance:
• High-quality contacts for superior electrical conductivity
• Compact & space-efficient design for panel installation
• Heavy-duty construction ensures long service life
• Optimized switching mechanism for stable operation
• High mechanical & electrical endurance
Safety & Protection
• Ensures safe motor starting & stopping
• Reduces risk of electrical faults & equipment damage
• Provides stable switching under inductive load conditions
• Enhances protection of industrial control systems
• Improves overall system safety & reliability
Mounting & Installation
• Suitable for panel mounting
• Compact design for efficient space utilization
• Easy & secure installation process
• Simplified wiring & integration
• Ensures strong & reliable electrical connections
Application Domains
• Motor control centers (MCC panels)
• Industrial automation systems
• Pumps, compressors, & conveyor systems
• HVAC systems & machinery control
• Manufacturing & processing industries
• Electrical control & protection systems
Key Features
• 140A rated MNX contactor
• 3-pole configuration for motor control
• AC 3 duty for inductive applications
• 110V AC coil (50–60 Hz)
• Compact, durable, & industrial-grade design
Applications
• Heavy-duty motor switching & control
• Industrial automation systems
• Pump & compressor applications
• Conveyor & machinery operations
• Large-scale electrical installations
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 3P mean?
Ans: It indicates a three-pole contactor used for controlling three-phase circuits.
3. What is the coil voltage?
Ans: This model operates with a 110V AC coil (50–60 Hz).
4. Where is this contactor used?
Ans: It is used in motor control panels, industrial automation systems, & heavy-duty machinery applications.
5. Is it suitable for high-capacity motors?
Ans: Yes, it is specifically designed for large motor & industrial load switching applications.
6. What is MNX series known for?
Ans: The MNX series is known for compact design, reliability, & strong performance in industrial environments.
7. Is installation easy?
Ans: Yes, it is designed for quick, secure, & efficient installation in electrical 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) | 1000V |
| Conformance to Standards | IS/IEC 6094741, IEC 6094741 |
| Coil Voltage | 110 V AC |
| Rated operational current at 415V | 140A |
| Discount Percentage | Between 0-10 % |
| No. of Poles | 3P |
| Height(mm) | 175 |
| Width(mm) | 137 |
| Depth(mm) | 152 |
| Rated kW | 75kW |
| Rated making capacity | 1800VA |
| Coil Operating band %Uc (Pick up) | 80 - 110 % |
| Rated breaking capacity | 1600VA |
| Mechanical Life | 10 Million |
| Coil Operating band %Uc (Drop off) | 35 - 65 % |
| Pick up VA consumption | 550VA |
| Hold on VA consumption | 36VA |
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.