Lauritz Knudsen DN2D, MCCB, 3 Pole, 415V AC, 36kA Breaking Capacity, 250A | Microprocessor Release MTX2.0 | IP40 Protection
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Lauritz Knudsen DN2D, MCCB, 3 Pole, 415V AC, 36kA Breaking Capacity, 250A | Microprocessor Release MTX2.0 | IP40 Protection
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen DN2D MCCB 250A 3 Pole 415V AC 36kA MTX2.0 Thermal Magnetic is a robust molded case circuit breaker engineered to provide advanced protection & switching for low-voltage electrical distribution systems. Designed to safeguard circuits against overloads & short-circuit faults, it helps protect motors, transformers, cables, switchboards, & electrical equipment from damage caused by abnormal operating conditions.
Featuring a 250A rated current, 3 Pole configuration, 415V AC operating voltage, & a 36kA short-circuit breaking capacity, this MCCB is suitable for industrial facilities, commercial buildings, infrastructure projects, OEM panels, & electrical distribution systems where reliable fault interruption & equipment protection are essential.
The integrated MTX2.0 thermal magnetic trip unit combines thermal overload protection & instantaneous magnetic short-circuit protection, ensuring fast fault detection, reliable interruption, enhanced electrical safety, & dependable system performance.
How the Mechanism Works
The product functions by:
• Protecting circuits against overload conditions
• Interrupting short-circuit fault currents
• Automatically disconnecting faulty circuits
• Protecting motors, transformers, cables, & equipment
• Supporting safe & reliable power distribution
• Reducing risks of electrical damage
• Improving operational reliability
• Delivering dependable fault-clearing performance
It serves as a critical protection device for maintaining the safety & continuity of electrical distribution systems.
Electrical Configuration
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: DN2D
• Current Rating: 250A
• Pole Configuration: 3 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 36kA
• Trip Unit: MTX2.0 Thermal Magnetic
• Application: Circuit Protection & Switching
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM92054OOOOAG
Construction & Design
Designed for dependable protection:
• MTX2.0 thermal magnetic trip mechanism
• 250A rated current capacity
• 3-pole protection configuration
• 36kA short-circuit breaking capability
• Durable molded case construction
• Reliable contact system
• Compact industrial-grade design
• Long operational service life
Safety & Protection
• Reliable overload protection
• Fast short-circuit interruption
• High fault-clearing capability
• Enhanced electrical safety
• Improved equipment protection
• Reduced operational downtime
• Long-term system reliability
• Consistent performance under demanding conditions
Mounting & Durability
• Suitable for electrical distribution panels
• Compatible with industrial switchboards & OEM panels
• Rugged molded case construction
• High mechanical endurance
• Designed for continuous operation
• Low maintenance requirements
• Quality manufacturing standards
• Suitable for industrial environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• OEM Control Panels
• Infrastructure Projects
• Utility Installations
• Electrical Distribution Panels
• Power Management Systems
Key Features
• DN2D MCCB series
• 250A current rating
• 3 Pole configuration
• 415V AC operation
• 36kA breaking capacity
• MTX2.0 thermal magnetic trip unit
• Overload protection
• Short-circuit protection
• Durable molded case construction
• Long service life
Applications
• Three-phase power distribution
• Feeder circuit protection
• Industrial machinery protection
• Motor circuit protection
• Commercial electrical systems
• OEM equipment panels
• Infrastructure electrical projects
• Equipment circuit protection
FAQs
1. What is the CM92054OOOOAG MCCB used for?
Ans: It is used for protecting electrical circuits & connected 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 250A.
3. What does 3 Pole mean?
Ans: A 3 Pole MCCB protects & switches all three phase conductors in a three-phase electrical distribution system.
4. What is the breaking capacity of this MCCB?
Ans: It provides a 36kA short-circuit breaking capacity, enabling safe interruption of fault currents & protection of connected equipment.
5. What is the MTX2.0 trip unit?
Ans: The MTX2.0 thermal magnetic trip unit combines thermal overload protection with instantaneous magnetic protection against short-circuit faults.
6. Where can this MCCB be installed?
Ans: It can be installed in electrical distribution panels, industrial switchboards, OEM machinery panels, commercial facilities, & infrastructure projects.
7. Is it suitable for industrial applications?
Ans: Yes, its 36kA breaking capacity, thermal magnetic protection, & durable construction make it suitable for industrial & commercial electrical systems.
8. Does it require frequent maintenance?
Ans: No, its rugged molded case construction & reliable protection mechanism ensure long-term, low-maintenance operation under normal operating conditions.
Overview
| Rated Operational Current | 250 |
|---|---|
| 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 | MTX2.0 |
| Rated Short Circuit Breaking capacity Icu(kA) | DN2D MCCB 250 3P 415V AC 36kA MTX2.0 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 250A 3 Pole 415V AC 36kA MTX2.0 Thermal Magnetic is a robust molded case circuit breaker engineered to provide advanced protection & switching for low-voltage electrical distribution systems. Designed to safeguard circuits against overloads & short-circuit faults, it helps protect motors, transformers, cables, switchboards, & electrical equipment from damage caused by abnormal operating conditions.
Featuring a 250A rated current, 3 Pole configuration, 415V AC operating voltage, & a 36kA short-circuit breaking capacity, this MCCB is suitable for industrial facilities, commercial buildings, infrastructure projects, OEM panels, & electrical distribution systems where reliable fault interruption & equipment protection are essential.
The integrated MTX2.0 thermal magnetic trip unit combines thermal overload protection & instantaneous magnetic short-circuit protection, ensuring fast fault detection, reliable interruption, enhanced electrical safety, & dependable system performance.
How the Mechanism Works
The product functions by:
• Protecting circuits against overload conditions
• Interrupting short-circuit fault currents
• Automatically disconnecting faulty circuits
• Protecting motors, transformers, cables, & equipment
• Supporting safe & reliable power distribution
• Reducing risks of electrical damage
• Improving operational reliability
• Delivering dependable fault-clearing performance
It serves as a critical protection device for maintaining the safety & continuity of electrical distribution systems.
Electrical Configuration
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: DN2D
• Current Rating: 250A
• Pole Configuration: 3 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 36kA
• Trip Unit: MTX2.0 Thermal Magnetic
• Application: Circuit Protection & Switching
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM92054OOOOAG
Construction & Design
Designed for dependable protection:
• MTX2.0 thermal magnetic trip mechanism
• 250A rated current capacity
• 3-pole protection configuration
• 36kA short-circuit breaking capability
• Durable molded case construction
• Reliable contact system
• Compact industrial-grade design
• Long operational service life
Safety & Protection
• Reliable overload protection
• Fast short-circuit interruption
• High fault-clearing capability
• Enhanced electrical safety
• Improved equipment protection
• Reduced operational downtime
• Long-term system reliability
• Consistent performance under demanding conditions
Mounting & Durability
• Suitable for electrical distribution panels
• Compatible with industrial switchboards & OEM panels
• Rugged molded case construction
• High mechanical endurance
• Designed for continuous operation
• Low maintenance requirements
• Quality manufacturing standards
• Suitable for industrial environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• OEM Control Panels
• Infrastructure Projects
• Utility Installations
• Electrical Distribution Panels
• Power Management Systems
Key Features
• DN2D MCCB series
• 250A current rating
• 3 Pole configuration
• 415V AC operation
• 36kA breaking capacity
• MTX2.0 thermal magnetic trip unit
• Overload protection
• Short-circuit protection
• Durable molded case construction
• Long service life
Applications
• Three-phase power distribution
• Feeder circuit protection
• Industrial machinery protection
• Motor circuit protection
• Commercial electrical systems
• OEM equipment panels
• Infrastructure electrical projects
• Equipment circuit protection
FAQs
1. What is the CM92054OOOOAG MCCB used for?
Ans: It is used for protecting electrical circuits & connected 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 250A.
3. What does 3 Pole mean?
Ans: A 3 Pole MCCB protects & switches all three phase conductors in a three-phase electrical distribution system.
4. What is the breaking capacity of this MCCB?
Ans: It provides a 36kA short-circuit breaking capacity, enabling safe interruption of fault currents & protection of connected equipment.
5. What is the MTX2.0 trip unit?
Ans: The MTX2.0 thermal magnetic trip unit combines thermal overload protection with instantaneous magnetic protection against short-circuit faults.
6. Where can this MCCB be installed?
Ans: It can be installed in electrical distribution panels, industrial switchboards, OEM machinery panels, commercial facilities, & infrastructure projects.
7. Is it suitable for industrial applications?
Ans: Yes, its 36kA breaking capacity, thermal magnetic protection, & durable construction make it suitable for industrial & commercial electrical systems.
8. Does it require frequent maintenance?
Ans: No, its rugged molded case construction & reliable protection mechanism ensure long-term, low-maintenance operation under normal operating conditions.
Overview
| Rated Operational Current | 250 |
|---|---|
| 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 | MTX2.0 |
| Rated Short Circuit Breaking capacity Icu(kA) | DN2D MCCB 250 3P 415V AC 36kA MTX2.0 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.