Lauritz Knudsen MNX Power Contactor 18A, 3 Pole, 24V AC | AC1 Rating - 30A | AC3 Rating - 18A | with 1 Inbuilt contact | Electrical Coil | Click fit type construction up to 40A
Images:
Image 360:
How to video:
Further offers for this product
Incl. Tax
In Stock
No sellers found for this product.
Incl. Tax
Lauritz Knudsen MNX Power Contactor 18A, 3 Pole, 24V AC | AC1 Rating - 30A | AC3 Rating - 18A | with 1 Inbuilt contact | Electrical Coil | Click fit type construction up to 40A
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen MNX Contactor 18A 3P 415V AC (AC 3) with In-Built 1NO Auxiliary Contact & 24V AC Coil (50–60 Hz) is a compact & efficient industrial switching device engineered for precise & reliable control of small to medium-capacity electric motors & inductive loads in automation systems. With an 18A current rating & a 3 pole configuration, it is ideal for medium-duty motor control applications requiring reliability & space-saving installation.
Designed for AC 3 duty applications, this contactor effectively manages inductive loads such as motors, pumps, fans, compressors, & conveyors, including moderate inrush currents during motor startup & stable switching throughout continuous operation. The integrated 1 normally open (1NO) auxiliary contact enhances functionality by enabling signaling, interlocking, & automation control circuits without requiring additional auxiliary modules.
The 24V AC coil (50–60 Hz) ensures safe low-voltage operation, making it suitable for applications where enhanced operator safety & reduced control circuit voltage are essential. Constructed with high-quality materials & precision engineering, this contactor delivers consistent switching performance, long operational life, & dependable reliability in industrial environments.
Purpose & Function
This contactor is designed for efficient motor control & safe automation:
• Controls small to medium three-phase motors
• Handles moderate inrush current during motor startup
• Enables safe low-voltage control circuit operation
• Provides built-in NO auxiliary contact for signaling & control
• Enhances efficiency & reliability of automation systems
Electrical Configuration
• Product type: Contactor
• Model: MNX
• Rated current: 18A
• Number of poles: 3P
• Voltage rating: 415V AC
• Utilization category: AC 3 (motor loads)
• Auxiliary contacts: In-built 1NO
• Coil voltage: 24V AC
• Frequency: 50–60 Hz
• Function: Motor switching, control, & protection
Construction & Design
Engineered for compact & reliable industrial applications:
• High-quality contacts for efficient electrical conduction
• Integrated NO auxiliary contact reduces need for external modules
• Compact & space-saving design for panel installation
• Durable construction ensures long operational life
• Precision switching mechanism for consistent performance
Safety & Protection
• Ensures safe motor starting & stopping
• Low-voltage coil enhances operator safety
• Provides stable switching under inductive load conditions
• Reduces risk of electrical faults & equipment damage
• Improves overall system reliability & protection
Mounting & Installation
• Suitable for panel or DIN rail mounting
• Compact structure for efficient space utilization
• Easy & secure installation process
• Simplified wiring with built-in auxiliary contact
• Ensures stable & reliable electrical connections
Application Domains
• Motor control centers (MCC panels)
• Industrial automation systems
• Pumps, fans, & compressors
• Conveyor systems & machinery control
• HVAC systems & process automation
• Low-voltage control applications
Key Features
• 18A rated MNX contactor
• 3-pole configuration for motor control
• AC 3 duty for inductive loads
• In-built 1NO auxiliary contact
• 24V AC coil (50–60 Hz) for safe operation
• Compact, durable, & industrial-grade design
Applications
• Small & medium motor switching & control
• Industrial automation systems
• Pump & fan control
• Conveyor & machinery operations
• Control panel integration
FAQs
1. What is an AC 3 contactor?
Ans: An AC 3 contactor is designed for switching inductive loads such as motors & handling starting currents safely.
2. What does 1NO auxiliary contact mean?
Ans: It is a normally open contact used for signaling, interlocking, & automation control functions.
3. Why use a 24V coil?
Ans: A 24V AC coil provides safer low-voltage control & reduces electrical hazards in control circuits.
4. Where is this contactor used?
Ans: It is used in control panels, industrial automation systems, & motor control applications.
5. Is it suitable for heavy-duty motors?
Ans: It is suitable for light to medium-duty 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) | 7200 Cy/hr |
| Rated impulse withstand voltage (Uimp) | 8kV |
| Rated Insulation Voltage Ui (V) | 690V |
| Conformance to Standards | IS/IEC 6094741, IEC 6094741 |
| Coil Voltage | 24 V AC |
| Rated operational current at 415V | 18A |
| Discount Percentage | Between 0-10 % |
| No. of Poles | 3P |
| Height(mm) | 83 |
| Width(mm) | 45 |
| Depth(mm) | 88 |
| Rated kW | 9.3kW |
| Rated making capacity | 450A |
| Coil Operating band %Uc (Pick up) | 65 - 120 % |
| Rated breaking capacity | 250A |
| Mechanical Life | 15 Million |
| Coil Operating band %Uc (Drop off) | 35 - 50 % |
| 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 18A 3P 415V AC (AC 3) with In-Built 1NO Auxiliary Contact & 24V AC Coil (50–60 Hz) is a compact & efficient industrial switching device engineered for precise & reliable control of small to medium-capacity electric motors & inductive loads in automation systems. With an 18A current rating & a 3 pole configuration, it is ideal for medium-duty motor control applications requiring reliability & space-saving installation.
Designed for AC 3 duty applications, this contactor effectively manages inductive loads such as motors, pumps, fans, compressors, & conveyors, including moderate inrush currents during motor startup & stable switching throughout continuous operation. The integrated 1 normally open (1NO) auxiliary contact enhances functionality by enabling signaling, interlocking, & automation control circuits without requiring additional auxiliary modules.
The 24V AC coil (50–60 Hz) ensures safe low-voltage operation, making it suitable for applications where enhanced operator safety & reduced control circuit voltage are essential. Constructed with high-quality materials & precision engineering, this contactor delivers consistent switching performance, long operational life, & dependable reliability in industrial environments.
Purpose & Function
This contactor is designed for efficient motor control & safe automation:
• Controls small to medium three-phase motors
• Handles moderate inrush current during motor startup
• Enables safe low-voltage control circuit operation
• Provides built-in NO auxiliary contact for signaling & control
• Enhances efficiency & reliability of automation systems
Electrical Configuration
• Product type: Contactor
• Model: MNX
• Rated current: 18A
• Number of poles: 3P
• Voltage rating: 415V AC
• Utilization category: AC 3 (motor loads)
• Auxiliary contacts: In-built 1NO
• Coil voltage: 24V AC
• Frequency: 50–60 Hz
• Function: Motor switching, control, & protection
Construction & Design
Engineered for compact & reliable industrial applications:
• High-quality contacts for efficient electrical conduction
• Integrated NO auxiliary contact reduces need for external modules
• Compact & space-saving design for panel installation
• Durable construction ensures long operational life
• Precision switching mechanism for consistent performance
Safety & Protection
• Ensures safe motor starting & stopping
• Low-voltage coil enhances operator safety
• Provides stable switching under inductive load conditions
• Reduces risk of electrical faults & equipment damage
• Improves overall system reliability & protection
Mounting & Installation
• Suitable for panel or DIN rail mounting
• Compact structure for efficient space utilization
• Easy & secure installation process
• Simplified wiring with built-in auxiliary contact
• Ensures stable & reliable electrical connections
Application Domains
• Motor control centers (MCC panels)
• Industrial automation systems
• Pumps, fans, & compressors
• Conveyor systems & machinery control
• HVAC systems & process automation
• Low-voltage control applications
Key Features
• 18A rated MNX contactor
• 3-pole configuration for motor control
• AC 3 duty for inductive loads
• In-built 1NO auxiliary contact
• 24V AC coil (50–60 Hz) for safe operation
• Compact, durable, & industrial-grade design
Applications
• Small & medium motor switching & control
• Industrial automation systems
• Pump & fan control
• Conveyor & machinery operations
• Control panel integration
FAQs
1. What is an AC 3 contactor?
Ans: An AC 3 contactor is designed for switching inductive loads such as motors & handling starting currents safely.
2. What does 1NO auxiliary contact mean?
Ans: It is a normally open contact used for signaling, interlocking, & automation control functions.
3. Why use a 24V coil?
Ans: A 24V AC coil provides safer low-voltage control & reduces electrical hazards in control circuits.
4. Where is this contactor used?
Ans: It is used in control panels, industrial automation systems, & motor control applications.
5. Is it suitable for heavy-duty motors?
Ans: It is suitable for light to medium-duty 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) | 7200 Cy/hr |
| Rated impulse withstand voltage (Uimp) | 8kV |
| Rated Insulation Voltage Ui (V) | 690V |
| Conformance to Standards | IS/IEC 6094741, IEC 6094741 |
| Coil Voltage | 24 V AC |
| Rated operational current at 415V | 18A |
| Discount Percentage | Between 0-10 % |
| No. of Poles | 3P |
| Height(mm) | 83 |
| Width(mm) | 45 |
| Depth(mm) | 88 |
| Rated kW | 9.3kW |
| Rated making capacity | 450A |
| Coil Operating band %Uc (Pick up) | 65 - 120 % |
| Rated breaking capacity | 250A |
| Mechanical Life | 15 Million |
| Coil Operating band %Uc (Drop off) | 35 - 50 % |
| 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.