Lauritz Knudsen DN4N, MCCB, 3 Pole, 415V AC, 50kA Breaking Capacity, 1250A | Microprocessor Release MTX1.0 | IP40 Protection
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Lauritz Knudsen DN4N, MCCB, 3 Pole, 415V AC, 50kA Breaking Capacity, 1250A | Microprocessor Release MTX1.0 | IP40 Protection
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen DN4N MCCB 1250A 3 Pole 415V AC 50kA MTX1.0 Thermal Magnetic is a heavy-duty molded case circuit breaker engineered to provide advanced protection & switching for high-capacity electrical distribution systems. Designed to safeguard circuits against overloads & short-circuit faults, it helps protect electrical equipment, motors, transformers, cables, switchboards, & distribution networks from damage caused by abnormal operating conditions.
Featuring a 1250A rated current, 3 Pole configuration, 415V AC operating voltage, & a high 50kA short-circuit breaking capacity, this MCCB is ideal for industrial facilities, power distribution networks, commercial buildings, utility installations, infrastructure projects, & mission-critical electrical systems requiring dependable fault interruption capability.
The integrated MTX1.0 thermal magnetic trip unit combines thermal overload protection & instantaneous magnetic short-circuit protection, ensuring reliable fault interruption, enhanced operational safety, & long-term electrical system performance.
How the Mechanism Works
The product functions by:
• Protecting circuits against overload conditions
• Interrupting high short-circuit fault currents
• Automatically disconnecting faulty circuits
• Protecting motors, transformers, cables, & electrical equipment
• Supporting safe & reliable power distribution
• Reducing the risk of electrical damage
• Improving overall system 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: DN4N
• Current Rating: 1250A
• Pole Configuration: 3 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 50kA
• Trip Unit: MTX1.0 Thermal Magnetic
• Application: Circuit Protection & Switching
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM96023OOOOX1
Construction & Design
Designed for dependable protection:
• MTX1.0 thermal magnetic trip mechanism
• 1250A rated current capacity
• 3-pole protection configuration
• 50kA short-circuit breaking capability
• Durable molded case construction
• Reliable contact system
• Industrial-grade engineering
• 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 operating 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 industrial environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• Utility Installations
• Infrastructure Projects
• Power Distribution Systems
• Electrical Control Panels
• Data Centers
Key Features
• DN4N MCCB series
• 1250A current rating
• 3 Pole configuration
• 415V AC operation
• 50kA 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
• Main incomer protection
• Industrial machinery protection
• Transformer protection
• Commercial electrical systems
• Utility power distribution networks
• Infrastructure electrical projects
• Equipment circuit protection
FAQs
1. What is the CM96023OOOOX1 MCCB used for?
Ans: It is used for protecting electrical circuits & connected equipment against overloads & short circuits in three-phase power distribution systems.
2. What is the current rating of this MCCB?
Ans: The MCCB is rated at 1250A.
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 50kA short-circuit breaking capacity, enabling 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 switchboards, manufacturing facilities, utility installations, power distribution systems, & infrastructure projects.
7. Is this MCCB suitable for heavy-duty power distribution applications?
Ans: Yes, the 1250A current rating combined with a 50kA fault-breaking capacity makes it suitable for large industrial feeders, main incomers, utility networks, & high-capacity power distribution systems.
8. Does it require frequent maintenance?
Ans: No, its rugged molded case construction & reliable protection mechanism ensure long-term, low-maintenance performance under normal operating conditions.
Overview
| Rated Operational Current | 1250 |
|---|---|
| Mechanical Life (No. of operating cycles) | 20000 |
| 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) | DN4N MCCB 1250 3P 415V AC 50kA MTX1.0 50/60 Hz |
| Rated Sevice circuit breaking capacity (Ics as % of Icu) @415VAC | 50kA |
| Ambient temperature | -5°C to 55°C |
| Suitable for isolation | Yes |
| Load-line bias | No |
| Electrical Life (Operating Cycles) | 3000 |
| IP Protection | IP40 |
| Pollution Degree | III |
| Width(mm) | 210 |
| Height(mm) | 370 |
| Depth(mm) | 143 |
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 DN4N MCCB 1250A 3 Pole 415V AC 50kA MTX1.0 Thermal Magnetic is a heavy-duty molded case circuit breaker engineered to provide advanced protection & switching for high-capacity electrical distribution systems. Designed to safeguard circuits against overloads & short-circuit faults, it helps protect electrical equipment, motors, transformers, cables, switchboards, & distribution networks from damage caused by abnormal operating conditions.
Featuring a 1250A rated current, 3 Pole configuration, 415V AC operating voltage, & a high 50kA short-circuit breaking capacity, this MCCB is ideal for industrial facilities, power distribution networks, commercial buildings, utility installations, infrastructure projects, & mission-critical electrical systems requiring dependable fault interruption capability.
The integrated MTX1.0 thermal magnetic trip unit combines thermal overload protection & instantaneous magnetic short-circuit protection, ensuring reliable fault interruption, enhanced operational safety, & long-term electrical system performance.
How the Mechanism Works
The product functions by:
• Protecting circuits against overload conditions
• Interrupting high short-circuit fault currents
• Automatically disconnecting faulty circuits
• Protecting motors, transformers, cables, & electrical equipment
• Supporting safe & reliable power distribution
• Reducing the risk of electrical damage
• Improving overall system 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: DN4N
• Current Rating: 1250A
• Pole Configuration: 3 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 50kA
• Trip Unit: MTX1.0 Thermal Magnetic
• Application: Circuit Protection & Switching
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM96023OOOOX1
Construction & Design
Designed for dependable protection:
• MTX1.0 thermal magnetic trip mechanism
• 1250A rated current capacity
• 3-pole protection configuration
• 50kA short-circuit breaking capability
• Durable molded case construction
• Reliable contact system
• Industrial-grade engineering
• 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 operating 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 industrial environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• Utility Installations
• Infrastructure Projects
• Power Distribution Systems
• Electrical Control Panels
• Data Centers
Key Features
• DN4N MCCB series
• 1250A current rating
• 3 Pole configuration
• 415V AC operation
• 50kA 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
• Main incomer protection
• Industrial machinery protection
• Transformer protection
• Commercial electrical systems
• Utility power distribution networks
• Infrastructure electrical projects
• Equipment circuit protection
FAQs
1. What is the CM96023OOOOX1 MCCB used for?
Ans: It is used for protecting electrical circuits & connected equipment against overloads & short circuits in three-phase power distribution systems.
2. What is the current rating of this MCCB?
Ans: The MCCB is rated at 1250A.
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 50kA short-circuit breaking capacity, enabling 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 switchboards, manufacturing facilities, utility installations, power distribution systems, & infrastructure projects.
7. Is this MCCB suitable for heavy-duty power distribution applications?
Ans: Yes, the 1250A current rating combined with a 50kA fault-breaking capacity makes it suitable for large industrial feeders, main incomers, utility networks, & high-capacity power distribution systems.
8. Does it require frequent maintenance?
Ans: No, its rugged molded case construction & reliable protection mechanism ensure long-term, low-maintenance performance under normal operating conditions.
Overview
| Rated Operational Current | 1250 |
|---|---|
| Mechanical Life (No. of operating cycles) | 20000 |
| 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) | DN4N MCCB 1250 3P 415V AC 50kA MTX1.0 50/60 Hz |
| Rated Sevice circuit breaking capacity (Ics as % of Icu) @415VAC | 50kA |
| Ambient temperature | -5°C to 55°C |
| Suitable for isolation | Yes |
| Load-line bias | No |
| Electrical Life (Operating Cycles) | 3000 |
| IP Protection | IP40 |
| Pollution Degree | III |
| Width(mm) | 210 |
| Height(mm) | 370 |
| Depth(mm) | 143 |
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.