Lauritz Knudsen DN2D, MCCB, 3 Pole, 415V AC, 36kA Breaking Capacity, 250A | Microprocessor Release MTX1.0 | IP40 Protection
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Lauritz Knudsen DN2D, MCCB, 3 Pole, 415V AC, 36kA Breaking Capacity, 250A | Microprocessor Release MTX1.0 | IP40 Protection
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen DN2D MCCB 250A 3 Pole 415V AC 36kA MTX1.0 Thermal Magnetic is a robust molded case circuit breaker engineered to provide efficient protection for electrical distribution systems. Designed to safeguard circuits against overloads & short-circuit faults, it helps protect electrical equipment, cables, motors, transformers, & switchboards 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 commercial buildings, industrial facilities, power distribution panels, infrastructure projects, & utility installations.
The integrated MTX1.0 thermal magnetic trip unit provides combined overload & short-circuit protection, ensuring reliable fault interruption & enhanced operational safety.
How the Mechanism Works
The product functions by:
• Protecting circuits from overload conditions
• Interrupting short-circuit fault currents
• Automatically disconnecting faulty circuits
• Protecting motors, transformers, cables, & equipment
• Supporting safe power distribution
• Reducing risks of electrical damage
• Improving system reliability
• Delivering dependable fault-clearing performance
It serves as a reliable protection device for three-phase electrical installations requiring dependable overload & short-circuit protection.
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: MTX1.0 Thermal Magnetic
• Application: Circuit Protection & Switching
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM92054OOOOX1
Construction & Design
Designed for dependable protection:
• MTX1.0 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 installation profile
• Long operational lifespan
Safety & Protection
• Reliable overload protection
• Fast short-circuit interruption
• Enhanced electrical safety
• Improved equipment protection
• High fault-clearing capability
• Reduced operational downtime
• Long-term system reliability
• Consistent performance under demanding conditions
Mounting & Durability
• Suitable for electrical distribution panels
• Compatible with industrial & commercial switchboards
• Rugged molded case construction
• High mechanical endurance
• Quality manufacturing standards
• Designed for continuous operation
• Low maintenance requirements
• Suitable for demanding environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• Utility Installations
• Infrastructure Projects
• Data Centers
• Electrical Distribution Panels
• Power Management Systems
Key Features
• DN2D MCCB series
• 250A current rating
• 3 Pole configuration
• 415V AC operation
• 36kA breaking capacity
• MTX1.0 thermal magnetic trip unit
• Overload protection
• Short-circuit protection
• Durable molded case construction
• Long service life
Applications
• Three-phase power distribution
• Motor feeder protection
• Industrial machinery protection
• Electrical panel installations
• Commercial electrical systems
• Utility power networks
• Infrastructure electrical projects
• Equipment circuit protection
FAQs
1. What is the CM92054OOOOX1 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 250A.
3. What does 3 Pole mean?
Ans: A 3 Pole MCCB protects & switches all three phase conductors in a three-phase electrical system.
4. What is the breaking capacity of this MCCB?
Ans: It offers a 36kA short-circuit breaking capacity, allowing safe interruption of high fault currents.
5. What is the MTX1.0 trip unit?
Ans: The MTX1.0 thermal magnetic trip unit provides thermal overload protection & instantaneous magnetic protection against short circuits.
6. Where can this MCCB be installed?
Ans: It can be installed in electrical distribution panels, industrial control systems, commercial buildings, utility installations, & infrastructure projects.
7. Is it suitable for industrial applications?
Ans: Yes, it is designed for industrial, commercial, utility, & infrastructure electrical installations.
8. Does it require frequent maintenance?
Ans: No, its durable construction & reliable protective 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 | MTX1.0 |
| Rated Short Circuit Breaking capacity Icu(kA) | DN2D MCCB 250 3P 415V AC 36kA MTX1.0 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 MTX1.0 Thermal Magnetic is a robust molded case circuit breaker engineered to provide efficient protection for electrical distribution systems. Designed to safeguard circuits against overloads & short-circuit faults, it helps protect electrical equipment, cables, motors, transformers, & switchboards 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 commercial buildings, industrial facilities, power distribution panels, infrastructure projects, & utility installations.
The integrated MTX1.0 thermal magnetic trip unit provides combined overload & short-circuit protection, ensuring reliable fault interruption & enhanced operational safety.
How the Mechanism Works
The product functions by:
• Protecting circuits from overload conditions
• Interrupting short-circuit fault currents
• Automatically disconnecting faulty circuits
• Protecting motors, transformers, cables, & equipment
• Supporting safe power distribution
• Reducing risks of electrical damage
• Improving system reliability
• Delivering dependable fault-clearing performance
It serves as a reliable protection device for three-phase electrical installations requiring dependable overload & short-circuit protection.
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: MTX1.0 Thermal Magnetic
• Application: Circuit Protection & Switching
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM92054OOOOX1
Construction & Design
Designed for dependable protection:
• MTX1.0 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 installation profile
• Long operational lifespan
Safety & Protection
• Reliable overload protection
• Fast short-circuit interruption
• Enhanced electrical safety
• Improved equipment protection
• High fault-clearing capability
• Reduced operational downtime
• Long-term system reliability
• Consistent performance under demanding conditions
Mounting & Durability
• Suitable for electrical distribution panels
• Compatible with industrial & commercial switchboards
• Rugged molded case construction
• High mechanical endurance
• Quality manufacturing standards
• Designed for continuous operation
• Low maintenance requirements
• Suitable for demanding environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• Utility Installations
• Infrastructure Projects
• Data Centers
• Electrical Distribution Panels
• Power Management Systems
Key Features
• DN2D MCCB series
• 250A current rating
• 3 Pole configuration
• 415V AC operation
• 36kA breaking capacity
• MTX1.0 thermal magnetic trip unit
• Overload protection
• Short-circuit protection
• Durable molded case construction
• Long service life
Applications
• Three-phase power distribution
• Motor feeder protection
• Industrial machinery protection
• Electrical panel installations
• Commercial electrical systems
• Utility power networks
• Infrastructure electrical projects
• Equipment circuit protection
FAQs
1. What is the CM92054OOOOX1 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 250A.
3. What does 3 Pole mean?
Ans: A 3 Pole MCCB protects & switches all three phase conductors in a three-phase electrical system.
4. What is the breaking capacity of this MCCB?
Ans: It offers a 36kA short-circuit breaking capacity, allowing safe interruption of high fault currents.
5. What is the MTX1.0 trip unit?
Ans: The MTX1.0 thermal magnetic trip unit provides thermal overload protection & instantaneous magnetic protection against short circuits.
6. Where can this MCCB be installed?
Ans: It can be installed in electrical distribution panels, industrial control systems, commercial buildings, utility installations, & infrastructure projects.
7. Is it suitable for industrial applications?
Ans: Yes, it is designed for industrial, commercial, utility, & infrastructure electrical installations.
8. Does it require frequent maintenance?
Ans: No, its durable construction & reliable protective 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 | MTX1.0 |
| Rated Short Circuit Breaking capacity Icu(kA) | DN2D MCCB 250 3P 415V AC 36kA MTX1.0 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.