Lauritz Knudsen MNX Power Contactor 225A, 3 Pole, 110V AC | AC1 Rating - 300A | AC3 Rating - 225A | 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 225A, 3 Pole, 110V AC | AC1 Rating - 300A | AC3 Rating - 225A | 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 225A 3P 415V AC (AC 3) with 110V AC Coil (50–60 Hz) is a premium high-capacity industrial switching device engineered for efficient & reliable control of very large electric motors & heavy inductive loads in demanding industrial environments. With a 225A current rating & a 3 pole configuration, it is ideally suited for ultra heavy-duty three-phase motor control applications in large-scale automation systems.
Designed for AC 3 duty operations, this contactor is specifically built to handle inductive loads such as motors, compressors, pumps, conveyors, & heavy machinery, including extremely high inrush currents during motor startup & consistent switching during continuous operation. The MNX series is well known for its compact yet rugged design, high durability, & extended service life, making it a reliable choice for critical industrial control applications.
The 110V AC coil (50–60 Hz) provides compatibility with standard control circuits, ensuring stable & efficient operation in industrial panels. Built using high-quality materials & advanced engineering, this contactor delivers consistent switching performance, excellent electrical endurance, & dependable operation even under extreme load conditions.
Purpose & Function
This contactor is engineered for ultra heavy-duty motor control & industrial automation:
• Controls very large three-phase motors & inductive loads
• Handles extremely high inrush current during startup
• Provides reliable switching & operational stability
• Supports large-scale automation & control systems
• Enhances efficiency & performance of industrial processes
Electrical Configuration
• Product type: Contactor
• Model: MNX
• Rated current: 225A
• 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 extreme industrial performance:
• High-quality contacts for superior electrical conductivity
• Heavy-duty construction for long operational life
• Compact & efficient panel design
• Precision switching mechanism for smooth operation
• High mechanical & electrical endurance
Safety & Protection
• Ensures safe motor starting & stopping
• Minimizes risk of electrical faults & equipment damage
• Provides stable switching under heavy inductive loads
• Enhances safety of industrial control systems
• Improves overall system reliability & protection
Mounting & Installation
• Suitable for panel mounting
• Compact structure for efficient space utilization
• Easy & secure installation process
• Simplified wiring & integration
• Ensures strong & stable electrical connections
Application Domains
• Motor control centers (MCC panels)
• Heavy & large-scale industrial automation systems
• Pumps, compressors, & conveyor systems
• HVAC systems & large machinery control
• Manufacturing & heavy processing industries
• High-capacity electrical control systems
Key Features
• 225A rated MNX contactor
• 3-pole configuration for ultra heavy-duty motor control
• AC 3 duty for inductive loads
• 110V AC coil (50–60 Hz)
• Rugged, reliable, & industrial-grade construction
Applications
• Very large motor switching & control
• Industrial automation & process systems
• Pumping & compressor installations
• Conveyor & heavy machinery systems
• High-capacity industrial electrical applications
FAQs
1. What is an AC 3 contactor?
Ans: An AC 3 contactor is designed for switching inductive loads like motors & handling high starting currents safely.
2. What does 3P mean?
Ans: It indicates a three-pole contactor used for controlling three-phase electrical 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 heavy industrial automation systems, motor control panels, & large machinery applications.
5. Is it suitable for ultra heavy-duty motors?
Ans: Yes, it is specifically designed for very large motors & high-capacity industrial loads.
6. What is MNX series known for?
Ans: The MNX series is known for its compact design, durability, & reliable performance in industrial conditions.
7. Is installation easy?
Ans: Yes, it is designed for quick, secure, & efficient installation in electrical 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) | 1000V |
| Conformance to Standards | IS/IEC 6094741, IEC 6094741 |
| Coil Voltage | 110 V AC |
| Rated operational current at 415V | 225A |
| Discount Percentage | Between 0-10 % |
| No. of Poles | 3P |
| Height(mm) | 208.2 |
| Width(mm) | 147 |
| Depth(mm) | 181 |
| Rated kW | 110kW |
| Rated making capacity | 2400A |
| Coil Operating band %Uc (Pick up) | 80 - 110 % |
| Rated breaking capacity | 2000A |
| Mechanical Life | 10 Million |
| Coil Operating band %Uc (Drop off) | 35 - 65 % |
| Pick up VA consumption | 960VA |
| Hold on VA consumption | 56VA |
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 225A 3P 415V AC (AC 3) with 110V AC Coil (50–60 Hz) is a premium high-capacity industrial switching device engineered for efficient & reliable control of very large electric motors & heavy inductive loads in demanding industrial environments. With a 225A current rating & a 3 pole configuration, it is ideally suited for ultra heavy-duty three-phase motor control applications in large-scale automation systems.
Designed for AC 3 duty operations, this contactor is specifically built to handle inductive loads such as motors, compressors, pumps, conveyors, & heavy machinery, including extremely high inrush currents during motor startup & consistent switching during continuous operation. The MNX series is well known for its compact yet rugged design, high durability, & extended service life, making it a reliable choice for critical industrial control applications.
The 110V AC coil (50–60 Hz) provides compatibility with standard control circuits, ensuring stable & efficient operation in industrial panels. Built using high-quality materials & advanced engineering, this contactor delivers consistent switching performance, excellent electrical endurance, & dependable operation even under extreme load conditions.
Purpose & Function
This contactor is engineered for ultra heavy-duty motor control & industrial automation:
• Controls very large three-phase motors & inductive loads
• Handles extremely high inrush current during startup
• Provides reliable switching & operational stability
• Supports large-scale automation & control systems
• Enhances efficiency & performance of industrial processes
Electrical Configuration
• Product type: Contactor
• Model: MNX
• Rated current: 225A
• 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 extreme industrial performance:
• High-quality contacts for superior electrical conductivity
• Heavy-duty construction for long operational life
• Compact & efficient panel design
• Precision switching mechanism for smooth operation
• High mechanical & electrical endurance
Safety & Protection
• Ensures safe motor starting & stopping
• Minimizes risk of electrical faults & equipment damage
• Provides stable switching under heavy inductive loads
• Enhances safety of industrial control systems
• Improves overall system reliability & protection
Mounting & Installation
• Suitable for panel mounting
• Compact structure for efficient space utilization
• Easy & secure installation process
• Simplified wiring & integration
• Ensures strong & stable electrical connections
Application Domains
• Motor control centers (MCC panels)
• Heavy & large-scale industrial automation systems
• Pumps, compressors, & conveyor systems
• HVAC systems & large machinery control
• Manufacturing & heavy processing industries
• High-capacity electrical control systems
Key Features
• 225A rated MNX contactor
• 3-pole configuration for ultra heavy-duty motor control
• AC 3 duty for inductive loads
• 110V AC coil (50–60 Hz)
• Rugged, reliable, & industrial-grade construction
Applications
• Very large motor switching & control
• Industrial automation & process systems
• Pumping & compressor installations
• Conveyor & heavy machinery systems
• High-capacity industrial electrical applications
FAQs
1. What is an AC 3 contactor?
Ans: An AC 3 contactor is designed for switching inductive loads like motors & handling high starting currents safely.
2. What does 3P mean?
Ans: It indicates a three-pole contactor used for controlling three-phase electrical 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 heavy industrial automation systems, motor control panels, & large machinery applications.
5. Is it suitable for ultra heavy-duty motors?
Ans: Yes, it is specifically designed for very large motors & high-capacity industrial loads.
6. What is MNX series known for?
Ans: The MNX series is known for its compact design, durability, & reliable performance in industrial conditions.
7. Is installation easy?
Ans: Yes, it is designed for quick, secure, & efficient installation in electrical 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) | 1000V |
| Conformance to Standards | IS/IEC 6094741, IEC 6094741 |
| Coil Voltage | 110 V AC |
| Rated operational current at 415V | 225A |
| Discount Percentage | Between 0-10 % |
| No. of Poles | 3P |
| Height(mm) | 208.2 |
| Width(mm) | 147 |
| Depth(mm) | 181 |
| Rated kW | 110kW |
| Rated making capacity | 2400A |
| Coil Operating band %Uc (Pick up) | 80 - 110 % |
| Rated breaking capacity | 2000A |
| Mechanical Life | 10 Million |
| Coil Operating band %Uc (Drop off) | 35 - 65 % |
| Pick up VA consumption | 960VA |
| Hold on VA consumption | 56VA |
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.