Lauritz Knudsen MNX Power Contactor 70A, 3 Pole, 415V AC | AC1 Rating - 100A | AC3 Rating - 70A | Electrical Coil | Click fit type construction up to 40A
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Lauritz Knudsen MNX Power Contactor 70A, 3 Pole, 415V AC | AC1 Rating - 100A | AC3 Rating - 70A | Electrical Coil | Click fit type construction up to 40A
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen MNX Contactor 70A 3P 415V AC (AC 3) with 415V AC Coil (50–60 Hz) is a high-capacity industrial switching device engineered for precise & dependable control of large electric motors & heavy inductive loads in demanding industrial environments. With a 70A current rating & a 3 pole configuration, it is ideally suited for heavy-duty motor control applications where reliability, efficiency, & durability are critical.
Designed for AC 3 duty applications, this contactor efficiently manages inductive loads such as motors, compressors, pumps, conveyors, & HVAC systems, handling high inrush currents during motor startup & ensuring stable switching during continuous operation. The MNX series is widely known for its rugged build quality, compact footprint, & long operational life, making it a trusted choice for industrial automation panels.
The 415V AC coil (50–60 Hz) enables direct operation in high-voltage control circuits, eliminating the need for additional control transformers & simplifying control panel design. Manufactured using high-quality materials & precision engineering, this contactor delivers consistent switching performance, enhanced durability, & reliable operation even under demanding industrial conditions.
Purpose & Function
This contactor is designed for heavy-duty motor control & high-voltage automation:
• Controls large three-phase motors
• Handles high inrush current during motor startup
• Enables direct high-voltage control circuit operation
• Provides reliable switching & operational stability
• Enhances efficiency & reliability of industrial systems
Electrical Configuration
• Product type: Contactor
• Model: MNX
• Rated current: 70A
• Number of poles: 3P
• Voltage rating: 415V AC
• Utilization category: AC 3 (motor loads)
• Coil voltage: 415V AC
• Frequency: 50–60 Hz
• Function: Motor switching, control, & protection
Construction & Design
Engineered for heavy-duty industrial performance:
• High-quality contacts for superior electrical conduction
• Rugged & compact 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
• Enables high-voltage operation without external transformers
• Handles high electrical loads reliably
• Reduces risk of electrical faults & equipment damage
• Improves overall system reliability & safety
Mounting & Installation
• Suitable for panel or DIN rail mounting
• Compact structure for optimized space utilization
• Easy & secure installation process
• Simplified wiring & integration
• Ensures stable & reliable electrical connections
Application Domains
• Motor control centers (MCC panels)
• Industrial automation systems
• Heavy-duty pumps & compressors
• Conveyor systems & production lines
• HVAC & process industries
• High-voltage control panels
Key Features
• 70A rated MNX contactor
• 3-pole configuration for motor control
• AC 3 duty for inductive loads
• 415V AC coil (50–60 Hz)
• Heavy-duty, rugged, & industrial-grade design
Applications
• Large motor switching & control
• Industrial automation systems
• Pump & compressor applications
• Conveyor & heavy 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 70A rating indicate?
Ans: It indicates the contactor can safely operate up to 70 amps under rated conditions.
3. What is the advantage of a 415V coil?
Ans: It allows direct operation in high-voltage control circuits without requiring additional transformers.
4. Where is this contactor used?
Ans: It is used in industrial automation systems, motor control panels, & heavy-load applications.
5. Is it suitable for large motors?
Ans: Yes, it is specifically designed for medium to large-capacity motor control applications.
6. What is MNX series known for?
Ans: The MNX series is known for durability, compact size, & 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 | 415 V AC |
| Rated operational current at 415V | 70A |
| Discount Percentage | Between 0-10 % |
| No. of Poles | 3P |
| Height(mm) | 109 |
| Width(mm) | 89 |
| Depth(mm) | 120.5 |
| Rated kW | 37kW |
| Rated making capacity | 900V |
| Coil Operating band %Uc (Pick up) | 80 - 110 % |
| Rated breaking capacity | 750V |
| Mechanical Life | 10 Million |
| Coil Operating band %Uc (Drop off) | 35 - 65 % |
| Pick up VA consumption | 190VA |
| Hold on VA consumption | 21VA |
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 70A 3P 415V AC (AC 3) with 415V AC Coil (50–60 Hz) is a high-capacity industrial switching device engineered for precise & dependable control of large electric motors & heavy inductive loads in demanding industrial environments. With a 70A current rating & a 3 pole configuration, it is ideally suited for heavy-duty motor control applications where reliability, efficiency, & durability are critical.
Designed for AC 3 duty applications, this contactor efficiently manages inductive loads such as motors, compressors, pumps, conveyors, & HVAC systems, handling high inrush currents during motor startup & ensuring stable switching during continuous operation. The MNX series is widely known for its rugged build quality, compact footprint, & long operational life, making it a trusted choice for industrial automation panels.
The 415V AC coil (50–60 Hz) enables direct operation in high-voltage control circuits, eliminating the need for additional control transformers & simplifying control panel design. Manufactured using high-quality materials & precision engineering, this contactor delivers consistent switching performance, enhanced durability, & reliable operation even under demanding industrial conditions.
Purpose & Function
This contactor is designed for heavy-duty motor control & high-voltage automation:
• Controls large three-phase motors
• Handles high inrush current during motor startup
• Enables direct high-voltage control circuit operation
• Provides reliable switching & operational stability
• Enhances efficiency & reliability of industrial systems
Electrical Configuration
• Product type: Contactor
• Model: MNX
• Rated current: 70A
• Number of poles: 3P
• Voltage rating: 415V AC
• Utilization category: AC 3 (motor loads)
• Coil voltage: 415V AC
• Frequency: 50–60 Hz
• Function: Motor switching, control, & protection
Construction & Design
Engineered for heavy-duty industrial performance:
• High-quality contacts for superior electrical conduction
• Rugged & compact 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
• Enables high-voltage operation without external transformers
• Handles high electrical loads reliably
• Reduces risk of electrical faults & equipment damage
• Improves overall system reliability & safety
Mounting & Installation
• Suitable for panel or DIN rail mounting
• Compact structure for optimized space utilization
• Easy & secure installation process
• Simplified wiring & integration
• Ensures stable & reliable electrical connections
Application Domains
• Motor control centers (MCC panels)
• Industrial automation systems
• Heavy-duty pumps & compressors
• Conveyor systems & production lines
• HVAC & process industries
• High-voltage control panels
Key Features
• 70A rated MNX contactor
• 3-pole configuration for motor control
• AC 3 duty for inductive loads
• 415V AC coil (50–60 Hz)
• Heavy-duty, rugged, & industrial-grade design
Applications
• Large motor switching & control
• Industrial automation systems
• Pump & compressor applications
• Conveyor & heavy 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 70A rating indicate?
Ans: It indicates the contactor can safely operate up to 70 amps under rated conditions.
3. What is the advantage of a 415V coil?
Ans: It allows direct operation in high-voltage control circuits without requiring additional transformers.
4. Where is this contactor used?
Ans: It is used in industrial automation systems, motor control panels, & heavy-load applications.
5. Is it suitable for large motors?
Ans: Yes, it is specifically designed for medium to large-capacity motor control applications.
6. What is MNX series known for?
Ans: The MNX series is known for durability, compact size, & 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 | 415 V AC |
| Rated operational current at 415V | 70A |
| Discount Percentage | Between 0-10 % |
| No. of Poles | 3P |
| Height(mm) | 109 |
| Width(mm) | 89 |
| Depth(mm) | 120.5 |
| Rated kW | 37kW |
| Rated making capacity | 900V |
| Coil Operating band %Uc (Pick up) | 80 - 110 % |
| Rated breaking capacity | 750V |
| Mechanical Life | 10 Million |
| Coil Operating band %Uc (Drop off) | 35 - 65 % |
| Pick up VA consumption | 190VA |
| Hold on VA consumption | 21VA |
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.