Lauritz Knudsen DN2D, MCCB, 3 Pole, 415V AC, 36kA Breaking Capacity, 200A | Thermal-Magnetic Release | IP40 Protection
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Lauritz Knudsen DN2D, MCCB, 3 Pole, 415V AC, 36kA Breaking Capacity, 200A | Thermal-Magnetic Release | IP40 Protection
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen DN2D MCCB 200A 3 Pole 415V AC 36kA Thermal Magnetic is a robust molded case circuit breaker engineered to deliver advanced protection for modern electrical distribution systems. Designed to safely interrupt overload & short-circuit fault currents, it helps protect power distribution networks, electrical equipment, cables, motors, & installations from damage caused by abnormal operating conditions.
Featuring a 200A rated current, 3 Pole configuration, 415V AC operating voltage, & a 36kA short-circuit breaking capacity, this MCCB is ideal for medium & high-capacity three-phase electrical systems used in industrial plants, commercial buildings, infrastructure projects, utilities, & power distribution applications.
The integrated thermal magnetic trip mechanism combines overload & short-circuit protection within a single device, ensuring enhanced safety, reliable performance, & efficient fault management.
How the Mechanism Works
The product functions by:
• Protecting circuits against overload conditions
• Interrupting short-circuit fault currents
• Automatically disconnecting faulty electrical circuits
• Protecting cables, motors, & electrical equipment
• Supporting safe & reliable power distribution
• Enhancing electrical system safety
• Reducing equipment damage risks
• Delivering dependable fault-clearing performance
It serves as a critical protection device for maintaining system reliability & operational continuity.
Electrical Configuration
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: DN2D
• Current Rating: 200A
• Pole Configuration: 3 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 36kA
• Trip Type: Thermal Magnetic
• Application: Circuit Protection
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM92009OON1OG
Construction & Design
Designed for reliable circuit protection:
• Thermal magnetic trip mechanism
• 200A rated current capacity
• 3-pole protection configuration
• 36kA short-circuit breaking capability
• Durable molded case construction
• Reliable contact system
• Compact installation design
• Long operational lifespan
Safety & Protection
• Reliable overload protection
• High fault interruption capability
• Fast short-circuit protection
• Enhanced electrical safety
• Improved equipment protection
• Dependable fault-clearing performance
• Reduced downtime & maintenance costs
• Long-term operational reliability
Mounting & Durability
• Suitable for electrical distribution panels
• Compatible with industrial & commercial installations
• Rugged molded case construction
• High mechanical endurance
• High-quality manufacturing standards
• Designed for continuous operation
• Minimal maintenance requirements
• Suitable for demanding electrical environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• Infrastructure Projects
• Utility Installations
• Data Centers
• Electrical Distribution Panels
• Power Management Systems
Key Features
• DN2D MCCB series
• 200A current rating
• 3 Pole configuration
• 415V AC operation
• 36kA breaking capacity
• Thermal magnetic protection
• Overload protection
• Short-circuit protection
• Durable molded case construction
• Long service life
Applications
• Three-phase power distribution
• Industrial machinery protection
• Motor feeder protection
• Electrical panel installations
• Commercial electrical systems
• Utility distribution networks
• Infrastructure electrical projects
• Equipment circuit protection
FAQs
1. What is the CM92009OON1OG MCCB used for?
Ans: It is used for protecting electrical circuits & equipment against overloads & short circuits in three-phase electrical systems.
2. What is the current rating of this MCCB?
Ans: The MCCB is rated at 200A.
3. What does 3 Pole mean?
Ans: A 3 Pole MCCB provides protection & switching for all three phase conductors in a three-phase electrical system.
4. What is the breaking capacity of this MCCB?
Ans: It has a 36kA short-circuit breaking capacity, allowing safe interruption of high fault currents.
5. What is a thermal magnetic trip mechanism?
Ans: It combines thermal overload protection & instantaneous magnetic short-circuit protection to provide comprehensive electrical protection.
6. Where can this MCCB be installed?
Ans: It can be installed in distribution boards, industrial control panels, commercial buildings, utility systems, & power distribution networks.
7. Is it suitable for industrial applications?
Ans: Yes, it is specifically designed for industrial, commercial, infrastructure, & utility electrical installations.
8. Does it require frequent maintenance?
Ans: No, its robust construction & reliable protection mechanism ensure long-term, low-maintenance performance under normal operating conditions.
Overview
| Rated Operational Current | 200 |
|---|---|
| Mechanical Life (No. of operating cycles) | 25000 |
| No. of Poles | 3P |
| Rated Operational voltage (Ue) | 415V AC |
| Rated Insulation Voltage Ui (V) | 800 V |
| Conformance to Standards | IEC 60947-1, EN 60947-1, IS/IEC 60947-1 IEC 60947-2, EN 60947-2, IS/IEC 60947-2 IEC 60947-3, EN 60947-3, IS/IEC 60947-3 IEC 60947-4, EN 60947-4, IS/IEC 60947-4 |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Operational Frequency (Hz) | 50/60 Hz |
| Release Type | TM |
| Rated Short Circuit Breaking capacity Icu(kA) | DN2D MCCB 200 3P 415V AC 36kA Thermal Magnetic 50/60 Hz |
| Rated Sevice circuit breaking capacity (Ics as % of Icu) @415VAC | 36kA |
| Ambient temperature | -5°C to 55°C |
| Suitable for isolation | Yes |
| Load-line bias | No |
| Electrical Life (Operating Cycles) | 10000 |
| IP Protection | IP40 |
| Pollution Degree | III |
| Width(mm) | 105 |
| Height(mm) | 179 |
| Depth(mm) | 96 |
Documents
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 DN2D MCCB 200A 3 Pole 415V AC 36kA Thermal Magnetic is a robust molded case circuit breaker engineered to deliver advanced protection for modern electrical distribution systems. Designed to safely interrupt overload & short-circuit fault currents, it helps protect power distribution networks, electrical equipment, cables, motors, & installations from damage caused by abnormal operating conditions.
Featuring a 200A rated current, 3 Pole configuration, 415V AC operating voltage, & a 36kA short-circuit breaking capacity, this MCCB is ideal for medium & high-capacity three-phase electrical systems used in industrial plants, commercial buildings, infrastructure projects, utilities, & power distribution applications.
The integrated thermal magnetic trip mechanism combines overload & short-circuit protection within a single device, ensuring enhanced safety, reliable performance, & efficient fault management.
How the Mechanism Works
The product functions by:
• Protecting circuits against overload conditions
• Interrupting short-circuit fault currents
• Automatically disconnecting faulty electrical circuits
• Protecting cables, motors, & electrical equipment
• Supporting safe & reliable power distribution
• Enhancing electrical system safety
• Reducing equipment damage risks
• Delivering dependable fault-clearing performance
It serves as a critical protection device for maintaining system reliability & operational continuity.
Electrical Configuration
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: DN2D
• Current Rating: 200A
• Pole Configuration: 3 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 36kA
• Trip Type: Thermal Magnetic
• Application: Circuit Protection
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM92009OON1OG
Construction & Design
Designed for reliable circuit protection:
• Thermal magnetic trip mechanism
• 200A rated current capacity
• 3-pole protection configuration
• 36kA short-circuit breaking capability
• Durable molded case construction
• Reliable contact system
• Compact installation design
• Long operational lifespan
Safety & Protection
• Reliable overload protection
• High fault interruption capability
• Fast short-circuit protection
• Enhanced electrical safety
• Improved equipment protection
• Dependable fault-clearing performance
• Reduced downtime & maintenance costs
• Long-term operational reliability
Mounting & Durability
• Suitable for electrical distribution panels
• Compatible with industrial & commercial installations
• Rugged molded case construction
• High mechanical endurance
• High-quality manufacturing standards
• Designed for continuous operation
• Minimal maintenance requirements
• Suitable for demanding electrical environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• Infrastructure Projects
• Utility Installations
• Data Centers
• Electrical Distribution Panels
• Power Management Systems
Key Features
• DN2D MCCB series
• 200A current rating
• 3 Pole configuration
• 415V AC operation
• 36kA breaking capacity
• Thermal magnetic protection
• Overload protection
• Short-circuit protection
• Durable molded case construction
• Long service life
Applications
• Three-phase power distribution
• Industrial machinery protection
• Motor feeder protection
• Electrical panel installations
• Commercial electrical systems
• Utility distribution networks
• Infrastructure electrical projects
• Equipment circuit protection
FAQs
1. What is the CM92009OON1OG MCCB used for?
Ans: It is used for protecting electrical circuits & equipment against overloads & short circuits in three-phase electrical systems.
2. What is the current rating of this MCCB?
Ans: The MCCB is rated at 200A.
3. What does 3 Pole mean?
Ans: A 3 Pole MCCB provides protection & switching for all three phase conductors in a three-phase electrical system.
4. What is the breaking capacity of this MCCB?
Ans: It has a 36kA short-circuit breaking capacity, allowing safe interruption of high fault currents.
5. What is a thermal magnetic trip mechanism?
Ans: It combines thermal overload protection & instantaneous magnetic short-circuit protection to provide comprehensive electrical protection.
6. Where can this MCCB be installed?
Ans: It can be installed in distribution boards, industrial control panels, commercial buildings, utility systems, & power distribution networks.
7. Is it suitable for industrial applications?
Ans: Yes, it is specifically designed for industrial, commercial, infrastructure, & utility electrical installations.
8. Does it require frequent maintenance?
Ans: No, its robust construction & reliable protection mechanism ensure long-term, low-maintenance performance under normal operating conditions.
Overview
| Rated Operational Current | 200 |
|---|---|
| Mechanical Life (No. of operating cycles) | 25000 |
| No. of Poles | 3P |
| Rated Operational voltage (Ue) | 415V AC |
| Rated Insulation Voltage Ui (V) | 800 V |
| Conformance to Standards | IEC 60947-1, EN 60947-1, IS/IEC 60947-1 IEC 60947-2, EN 60947-2, IS/IEC 60947-2 IEC 60947-3, EN 60947-3, IS/IEC 60947-3 IEC 60947-4, EN 60947-4, IS/IEC 60947-4 |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Operational Frequency (Hz) | 50/60 Hz |
| Release Type | TM |
| Rated Short Circuit Breaking capacity Icu(kA) | DN2D MCCB 200 3P 415V AC 36kA Thermal Magnetic 50/60 Hz |
| Rated Sevice circuit breaking capacity (Ics as % of Icu) @415VAC | 36kA |
| Ambient temperature | -5°C to 55°C |
| Suitable for isolation | Yes |
| Load-line bias | No |
| Electrical Life (Operating Cycles) | 10000 |
| IP Protection | IP40 |
| Pollution Degree | III |
| Width(mm) | 105 |
| Height(mm) | 179 |
| Depth(mm) | 96 |
Documents
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.