Lauritz Knudsen DU100H, MCCB, 3 Pole, 415V AC, 30kA Breaking Capacity, 100A | Thermal-Magnetic Release| 50/60 Hz | Compact Size
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Lauritz Knudsen DU100H, MCCB, 3 Pole, 415V AC, 30kA Breaking Capacity, 100A | Thermal-Magnetic Release| 50/60 Hz | Compact Size
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen CM97894OOK2 from the DU100H series is a high-performance 3 Pole Moulded Case Circuit Breaker (MCCB) engineered to provide reliable circuit protection for industrial, commercial, & infrastructure electrical systems. Rated at 100A & 415V AC, this MCCB is designed to safeguard electrical circuits, power distribution networks, & connected equipment from overloads & short-circuit faults while ensuring operational safety & uninterrupted performance.
The breaker incorporates an advanced thermal-magnetic trip mechanism that delivers comprehensive protection against electrical abnormalities. The thermal trip element provides time-delayed tripping during overload conditions, helping prevent unnecessary interruptions while protecting conductors & equipment from sustained overcurrents. The magnetic trip element delivers instantaneous tripping during short-circuit conditions, enabling rapid fault isolation & minimizing damage to the electrical installation.
With a high breaking capacity of 30kA, the DU100H MCCB can safely interrupt substantial fault currents, maintaining system integrity & protecting critical electrical assets. This high interruption capability enhances operational reliability & makes the breaker suitable for demanding industrial environments & high-capacity power distribution applications.
The MCCB is designed for operation in standard 50/60 Hz electrical systems & offers compatibility with a wide range of global electrical installations. Its compact dimensions make it ideal for efficient panel utilization while simplifying installation & maintenance activities.
Manufactured using durable insulating materials & precision-engineered operating mechanisms, the breaker delivers long-lasting performance, high mechanical endurance, & dependable fault protection. The robust construction ensures reliable operation even in challenging environmental & operating conditions.
The DU100H series is widely used in power distribution panels, switchboards, motor control centers, commercial complexes, industrial facilities, & infrastructure projects where higher current capacity, dependable protection, & operational safety are essential requirements.
How the Mechanism Works
The product functions by:
• Continuously monitoring electrical current flow through the circuit
• Detecting overload conditions using a thermal trip mechanism
• Providing delayed tripping during prolonged overcurrent conditions
• Detecting short-circuit faults using a magnetic trip system
• Instantly disconnecting the circuit during severe fault events
• Protecting cables, motors, switchgear, & connected equipment
• Preventing overheating & electrical damage caused by excessive currents
• Improving electrical system safety & reliability
• Supporting stable & efficient power distribution
• Ensuring effective fault isolation in industrial & commercial applications
It serves as a critical circuit protection device for modern electrical power distribution systems.
Electrical Configuration
• Product Type: Moulded Case Circuit Breaker (MCCB)
• Model: CM97894OOK2
• Series: DU100H
• Pole Configuration: 3 Pole
• Rated Current: 100A
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 30kA
• Trip Unit Type: Thermal Magnetic
• Mounting Type: Panel Mounted
• Primary Function: Overload & Short-Circuit Protection
• Application: Electrical Power Distribution Systems
Construction & Design
Designed for durability & dependable operation:
• Compact MCCB construction
• High-strength moulded insulating enclosure
• Precision-engineered switching mechanism
• Thermal-magnetic trip technology
• Heavy-duty contact system
• Advanced arc interruption chamber
• Industrial-grade insulation materials
• Optimized heat dissipation structure
• Secure terminal connection arrangement
• Long operational service life
Safety & Protection
• Reliable overload protection
• Instantaneous short-circuit protection
• High 30kA fault interruption capability
• Enhanced electrical system safety
• Improved protection for connected equipment
• Reduced risk of electrical system damage
• Stable & dependable operation
• Increased power distribution reliability
• Lower maintenance requirements
• Extended equipment lifespan
Mounting & Durability
• Easy installation in electrical panels
• Suitable for switchboards & distribution boards
• Compact footprint for efficient panel integration
• Secure mounting arrangement
• Durable industrial-grade construction
• Designed for continuous-duty operation
• Resistant to electrical & mechanical stress
• Reliable performance in demanding environments
• Long operational lifespan
• Minimal maintenance requirements
Application Domains
• Electrical Distribution Panels
• Industrial Switchboards
• Commercial Buildings
• Motor Control Centers (MCCs)
• Power Distribution Systems
• Infrastructure Projects
• Manufacturing Facilities
• Utility Installations
• Industrial Automation Systems
• Electrical Protection Networks
Key Features
• Rated current of 100A
• 3 Pole configuration for three-phase systems
• Rated voltage of 415V AC
• High breaking capacity of 30kA
• Thermal-magnetic trip protection
• Reliable overload & short-circuit protection
• Suitable for 50/60 Hz operation
• Compact & rugged design
• Easy integration into electrical panels
• Industrial-grade reliability & performance
• Long service life & dependable operation
• Trusted DU100H series construction
Applications
• Electrical distribution panels
• Industrial switchboards
• Commercial building power systems
• Motor Control Centers (MCCs)
• Manufacturing facilities
• Utility power distribution networks
• Industrial automation systems
• Infrastructure electrical installations
• Equipment protection circuits
• Three-phase power distribution applications
FAQs
1. What is this MCCB used for?
Ans: It is used to protect electrical circuits & connected equipment from overload & short-circuit faults.
2. What is the current rating of this MCCB?
Ans: The MCCB has a rated current of 100A.
3. What type of protection does it provide?
Ans: It provides thermal protection against overload conditions & magnetic protection against short circuits.
4. What is the breaking capacity of this MCCB?
Ans: The breaker has a high breaking capacity of 30kA for safe interruption of large fault currents.
5. Is it suitable for three-phase systems?
Ans: Yes, it is a 3 Pole MCCB specifically designed for three-phase electrical applications.
6. What is the rated operating voltage?
Ans: The MCCB is rated for operation at 415V AC.
7. Where is this MCCB commonly installed?
Ans: It is commonly installed in distribution panels, switchboards, motor control centers, industrial facilities, commercial buildings, & power distribution networks.
8. Why is a 30kA breaking capacity important?
Ans: A high breaking capacity allows the MCCB to safely interrupt substantial fault currents, helping protect electrical systems, connected equipment, & personnel while maintaining operational continuity & system stability during fault conditions.
Overview
| Rated Operational Current (A) | 100A |
|---|---|
| No. of Poles | 3P |
| Rated Operational voltage (Ue) | 415V AC |
| Rated Insulation Voltage Ui (V) | 800 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Operational Frequency (Hz) | 50/60 Hz |
| Release Type | Thermal Magnetic |
| Rated Short Circuit Breaking capacity Icu(kA) | 30kA |
| Rated Sevice circuit breaking capacity (Ics as % of Icu) @415VAC | 50% |
| Ambient temperature | -5°C to 55°C |
| Conformance to Standards | IS 60947-2, IEC 60947-2 & EN 60947-2 |
| Suitable for isolation | Yes |
| Load-line bias | No |
| Electrical Life (Operating Cycles) | 8000 |
| Mechanical Life (Operating Cycles) | 40000 |
| IP Protection | IP40 |
| Pollution Degree | III |
| Width(mm) | 75 |
| Height(mm) | 130 |
| Depth(mm) | 60 |
| Discount Percentage | Between 0-10 % |
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 CM97894OOK2 from the DU100H series is a high-performance 3 Pole Moulded Case Circuit Breaker (MCCB) engineered to provide reliable circuit protection for industrial, commercial, & infrastructure electrical systems. Rated at 100A & 415V AC, this MCCB is designed to safeguard electrical circuits, power distribution networks, & connected equipment from overloads & short-circuit faults while ensuring operational safety & uninterrupted performance.
The breaker incorporates an advanced thermal-magnetic trip mechanism that delivers comprehensive protection against electrical abnormalities. The thermal trip element provides time-delayed tripping during overload conditions, helping prevent unnecessary interruptions while protecting conductors & equipment from sustained overcurrents. The magnetic trip element delivers instantaneous tripping during short-circuit conditions, enabling rapid fault isolation & minimizing damage to the electrical installation.
With a high breaking capacity of 30kA, the DU100H MCCB can safely interrupt substantial fault currents, maintaining system integrity & protecting critical electrical assets. This high interruption capability enhances operational reliability & makes the breaker suitable for demanding industrial environments & high-capacity power distribution applications.
The MCCB is designed for operation in standard 50/60 Hz electrical systems & offers compatibility with a wide range of global electrical installations. Its compact dimensions make it ideal for efficient panel utilization while simplifying installation & maintenance activities.
Manufactured using durable insulating materials & precision-engineered operating mechanisms, the breaker delivers long-lasting performance, high mechanical endurance, & dependable fault protection. The robust construction ensures reliable operation even in challenging environmental & operating conditions.
The DU100H series is widely used in power distribution panels, switchboards, motor control centers, commercial complexes, industrial facilities, & infrastructure projects where higher current capacity, dependable protection, & operational safety are essential requirements.
How the Mechanism Works
The product functions by:
• Continuously monitoring electrical current flow through the circuit
• Detecting overload conditions using a thermal trip mechanism
• Providing delayed tripping during prolonged overcurrent conditions
• Detecting short-circuit faults using a magnetic trip system
• Instantly disconnecting the circuit during severe fault events
• Protecting cables, motors, switchgear, & connected equipment
• Preventing overheating & electrical damage caused by excessive currents
• Improving electrical system safety & reliability
• Supporting stable & efficient power distribution
• Ensuring effective fault isolation in industrial & commercial applications
It serves as a critical circuit protection device for modern electrical power distribution systems.
Electrical Configuration
• Product Type: Moulded Case Circuit Breaker (MCCB)
• Model: CM97894OOK2
• Series: DU100H
• Pole Configuration: 3 Pole
• Rated Current: 100A
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 30kA
• Trip Unit Type: Thermal Magnetic
• Mounting Type: Panel Mounted
• Primary Function: Overload & Short-Circuit Protection
• Application: Electrical Power Distribution Systems
Construction & Design
Designed for durability & dependable operation:
• Compact MCCB construction
• High-strength moulded insulating enclosure
• Precision-engineered switching mechanism
• Thermal-magnetic trip technology
• Heavy-duty contact system
• Advanced arc interruption chamber
• Industrial-grade insulation materials
• Optimized heat dissipation structure
• Secure terminal connection arrangement
• Long operational service life
Safety & Protection
• Reliable overload protection
• Instantaneous short-circuit protection
• High 30kA fault interruption capability
• Enhanced electrical system safety
• Improved protection for connected equipment
• Reduced risk of electrical system damage
• Stable & dependable operation
• Increased power distribution reliability
• Lower maintenance requirements
• Extended equipment lifespan
Mounting & Durability
• Easy installation in electrical panels
• Suitable for switchboards & distribution boards
• Compact footprint for efficient panel integration
• Secure mounting arrangement
• Durable industrial-grade construction
• Designed for continuous-duty operation
• Resistant to electrical & mechanical stress
• Reliable performance in demanding environments
• Long operational lifespan
• Minimal maintenance requirements
Application Domains
• Electrical Distribution Panels
• Industrial Switchboards
• Commercial Buildings
• Motor Control Centers (MCCs)
• Power Distribution Systems
• Infrastructure Projects
• Manufacturing Facilities
• Utility Installations
• Industrial Automation Systems
• Electrical Protection Networks
Key Features
• Rated current of 100A
• 3 Pole configuration for three-phase systems
• Rated voltage of 415V AC
• High breaking capacity of 30kA
• Thermal-magnetic trip protection
• Reliable overload & short-circuit protection
• Suitable for 50/60 Hz operation
• Compact & rugged design
• Easy integration into electrical panels
• Industrial-grade reliability & performance
• Long service life & dependable operation
• Trusted DU100H series construction
Applications
• Electrical distribution panels
• Industrial switchboards
• Commercial building power systems
• Motor Control Centers (MCCs)
• Manufacturing facilities
• Utility power distribution networks
• Industrial automation systems
• Infrastructure electrical installations
• Equipment protection circuits
• Three-phase power distribution applications
FAQs
1. What is this MCCB used for?
Ans: It is used to protect electrical circuits & connected equipment from overload & short-circuit faults.
2. What is the current rating of this MCCB?
Ans: The MCCB has a rated current of 100A.
3. What type of protection does it provide?
Ans: It provides thermal protection against overload conditions & magnetic protection against short circuits.
4. What is the breaking capacity of this MCCB?
Ans: The breaker has a high breaking capacity of 30kA for safe interruption of large fault currents.
5. Is it suitable for three-phase systems?
Ans: Yes, it is a 3 Pole MCCB specifically designed for three-phase electrical applications.
6. What is the rated operating voltage?
Ans: The MCCB is rated for operation at 415V AC.
7. Where is this MCCB commonly installed?
Ans: It is commonly installed in distribution panels, switchboards, motor control centers, industrial facilities, commercial buildings, & power distribution networks.
8. Why is a 30kA breaking capacity important?
Ans: A high breaking capacity allows the MCCB to safely interrupt substantial fault currents, helping protect electrical systems, connected equipment, & personnel while maintaining operational continuity & system stability during fault conditions.
Overview
| Rated Operational Current (A) | 100A |
|---|---|
| No. of Poles | 3P |
| Rated Operational voltage (Ue) | 415V AC |
| Rated Insulation Voltage Ui (V) | 800 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Operational Frequency (Hz) | 50/60 Hz |
| Release Type | Thermal Magnetic |
| Rated Short Circuit Breaking capacity Icu(kA) | 30kA |
| Rated Sevice circuit breaking capacity (Ics as % of Icu) @415VAC | 50% |
| Ambient temperature | -5°C to 55°C |
| Conformance to Standards | IS 60947-2, IEC 60947-2 & EN 60947-2 |
| Suitable for isolation | Yes |
| Load-line bias | No |
| Electrical Life (Operating Cycles) | 8000 |
| Mechanical Life (Operating Cycles) | 40000 |
| IP Protection | IP40 |
| Pollution Degree | III |
| Width(mm) | 75 |
| Height(mm) | 130 |
| Depth(mm) | 60 |
| Discount Percentage | Between 0-10 % |
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.