Lauritz Knudsen DN0C, MCCB, 3 Pole, 415V AC, 25kA Breaking Capacity, 63A | Thermal-Magnetic Release | IP40 Protection
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Lauritz Knudsen DN0C, MCCB, 3 Pole, 415V AC, 25kA Breaking Capacity, 63A | Thermal-Magnetic Release | IP40 Protection
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen DN0C MCCB 63A 3 Pole 415V AC 25kA Thermal Magnetic is a robust molded case circuit breaker engineered to deliver efficient protection for electrical distribution systems. Designed for reliable interruption of fault currents & overload conditions, it helps safeguard electrical equipment, cables, & installations from damage caused by abnormal operating conditions.
Featuring a 63A rated current, 3 Pole configuration, 415V AC operating voltage, & 25kA short-circuit breaking capacity, this MCCB is suitable for protecting three-phase electrical systems in commercial buildings, industrial facilities, utilities, & infrastructure projects.
The thermal magnetic trip mechanism provides dual protection by offering thermal protection against overloads & magnetic protection against short circuits, ensuring dependable circuit safety & system reliability.
How the Mechanism Works
The product functions by:
• Protecting circuits from overload conditions
• Interrupting short-circuit fault currents
• Automatically disconnecting faulty circuits
• Protecting electrical equipment & wiring
• Improving electrical system safety & reliability
• Supporting uninterrupted power distribution
• Reducing the risk of equipment damage
• Providing dependable fault-clearing performance
It acts as a reliable protective device that helps maintain electrical system stability while safeguarding connected equipment.
Electrical Configuration
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: DN0C
• Current Rating: 63A
• Pole Configuration: 3 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 25kA
• Trip Type: Thermal Magnetic
• Application: Circuit Protection
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM91612OOHOOG
Construction & Design
Designed for reliable circuit protection:
• Thermal magnetic trip mechanism
• 63A rated current capacity
• 3-pole protection configuration
• 25kA short-circuit breaking capability
• Durable MCCB construction
• Reliable contact system
• Compact installation design
• Long operational lifespan
Safety & Protection
• Reliable overload protection
• Fast short-circuit interruption
• Enhanced electrical system safety
• Improved equipment protection
• Dependable fault-clearing performance
• Reduced downtime risks
• Long-term operational reliability
• Consistent protection performance
Mounting & Durability
• Suitable for electrical distribution panels
• Compatible with commercial & industrial installations
• Rugged molded case construction
• Reliable mechanical endurance
• High-quality manufacturing standards
• Designed for continuous operation
• Minimal maintenance requirements
• Suitable for demanding environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• Data Centers
• Utility Installations
• Electrical Distribution Panels
• Infrastructure Projects
• Power Management Systems
Key Features
• DN0C MCCB series
• 63A current rating
• 3 Pole configuration
• 415V AC operation
• 25kA breaking capacity
• Thermal magnetic protection
• Overload protection
• Short-circuit protection
• Heavy-duty construction
• Long service life
Applications
• Three-phase power distribution
• Motor protection systems
• Electrical panel installations
• Industrial machinery protection
• Commercial power systems
• Utility distribution networks
• Infrastructure electrical systems
• Equipment circuit protection
FAQs
1. What is the CM91612OOHOOG 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 63A.
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 25kA short-circuit breaking capacity, enabling safe interruption of high fault currents.
5. What is a thermal magnetic trip mechanism?
Ans: It combines thermal protection for overload conditions & magnetic protection for short-circuit faults.
6. Where can this MCCB be installed?
Ans: It can be installed in distribution boards, industrial panels, commercial buildings, utility systems, & power distribution networks.
7. Is it suitable for industrial applications?
Ans: Yes, it is designed for industrial, commercial, infrastructure, & utility electrical installations.
8. Does it require frequent maintenance?
Ans: No, its robust construction & dependable protection mechanism provide long-term, low-maintenance operation under normal operating conditions.
Overview
| Rated Operational Current | 63A |
|---|---|
| Mechanical Life (No. of operating cycles) | 40000 |
| 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 | Thermal Magnetic |
| Rated Short Circuit Breaking capacity Icu(kA) | 25kA |
| Rated Sevice circuit breaking capacity (Ics as % of Icu) @415VAC | 1 |
| Ambient temperature | -5°C to 55°C |
| Suitable for isolation | Yes |
| Load-line bias | No |
| Electrical Life (Operating Cycles) | 12000 |
| IP Protection | IP40 |
| Pollution Degree | III |
| Width(mm) | 75 |
| Height(mm) | 130 |
| Depth(mm) | 60 |
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 DN0C MCCB 63A 3 Pole 415V AC 25kA Thermal Magnetic is a robust molded case circuit breaker engineered to deliver efficient protection for electrical distribution systems. Designed for reliable interruption of fault currents & overload conditions, it helps safeguard electrical equipment, cables, & installations from damage caused by abnormal operating conditions.
Featuring a 63A rated current, 3 Pole configuration, 415V AC operating voltage, & 25kA short-circuit breaking capacity, this MCCB is suitable for protecting three-phase electrical systems in commercial buildings, industrial facilities, utilities, & infrastructure projects.
The thermal magnetic trip mechanism provides dual protection by offering thermal protection against overloads & magnetic protection against short circuits, ensuring dependable circuit safety & system reliability.
How the Mechanism Works
The product functions by:
• Protecting circuits from overload conditions
• Interrupting short-circuit fault currents
• Automatically disconnecting faulty circuits
• Protecting electrical equipment & wiring
• Improving electrical system safety & reliability
• Supporting uninterrupted power distribution
• Reducing the risk of equipment damage
• Providing dependable fault-clearing performance
It acts as a reliable protective device that helps maintain electrical system stability while safeguarding connected equipment.
Electrical Configuration
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: DN0C
• Current Rating: 63A
• Pole Configuration: 3 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 25kA
• Trip Type: Thermal Magnetic
• Application: Circuit Protection
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM91612OOHOOG
Construction & Design
Designed for reliable circuit protection:
• Thermal magnetic trip mechanism
• 63A rated current capacity
• 3-pole protection configuration
• 25kA short-circuit breaking capability
• Durable MCCB construction
• Reliable contact system
• Compact installation design
• Long operational lifespan
Safety & Protection
• Reliable overload protection
• Fast short-circuit interruption
• Enhanced electrical system safety
• Improved equipment protection
• Dependable fault-clearing performance
• Reduced downtime risks
• Long-term operational reliability
• Consistent protection performance
Mounting & Durability
• Suitable for electrical distribution panels
• Compatible with commercial & industrial installations
• Rugged molded case construction
• Reliable mechanical endurance
• High-quality manufacturing standards
• Designed for continuous operation
• Minimal maintenance requirements
• Suitable for demanding environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• Data Centers
• Utility Installations
• Electrical Distribution Panels
• Infrastructure Projects
• Power Management Systems
Key Features
• DN0C MCCB series
• 63A current rating
• 3 Pole configuration
• 415V AC operation
• 25kA breaking capacity
• Thermal magnetic protection
• Overload protection
• Short-circuit protection
• Heavy-duty construction
• Long service life
Applications
• Three-phase power distribution
• Motor protection systems
• Electrical panel installations
• Industrial machinery protection
• Commercial power systems
• Utility distribution networks
• Infrastructure electrical systems
• Equipment circuit protection
FAQs
1. What is the CM91612OOHOOG 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 63A.
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 25kA short-circuit breaking capacity, enabling safe interruption of high fault currents.
5. What is a thermal magnetic trip mechanism?
Ans: It combines thermal protection for overload conditions & magnetic protection for short-circuit faults.
6. Where can this MCCB be installed?
Ans: It can be installed in distribution boards, industrial panels, commercial buildings, utility systems, & power distribution networks.
7. Is it suitable for industrial applications?
Ans: Yes, it is designed for industrial, commercial, infrastructure, & utility electrical installations.
8. Does it require frequent maintenance?
Ans: No, its robust construction & dependable protection mechanism provide long-term, low-maintenance operation under normal operating conditions.
Overview
| Rated Operational Current | 63A |
|---|---|
| Mechanical Life (No. of operating cycles) | 40000 |
| 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 | Thermal Magnetic |
| Rated Short Circuit Breaking capacity Icu(kA) | 25kA |
| Rated Sevice circuit breaking capacity (Ics as % of Icu) @415VAC | 1 |
| Ambient temperature | -5°C to 55°C |
| Suitable for isolation | Yes |
| Load-line bias | No |
| Electrical Life (Operating Cycles) | 12000 |
| IP Protection | IP40 |
| Pollution Degree | III |
| Width(mm) | 75 |
| Height(mm) | 130 |
| Depth(mm) | 60 |
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.