Lauritz Knudsen DN3-630M, MCCB, 3 Pole, 415V AC, 50kA Breaking Capacity, 500A | Motor back-up Protection | IP40 Protection
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Lauritz Knudsen DN3-630M, MCCB, 3 Pole, 415V AC, 50kA Breaking Capacity, 500A | Motor back-up Protection | IP40 Protection
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen DN3-630M MCCB 500A 3 Pole 415V AC 50kA Magnetic Trip is a rugged molded case circuit breaker engineered for dependable protection & switching of low-voltage power distribution systems. Designed to interrupt high fault currents & safeguard electrical equipment against short-circuit conditions, it helps protect motors, transformers, switchboards, cables, & distribution networks from severe electrical faults.
Featuring a 500A rated current, 3 Pole configuration, 415V AC operating voltage, & a high 50kA short-circuit breaking capacity, this MCCB is suitable for industrial plants, commercial buildings, OEM control panels, infrastructure projects, & utility installations where high fault interruption capability & reliable electrical protection are essential.
Equipped with a magnetic trip mechanism, the breaker provides instantaneous tripping under short-circuit conditions, ensuring rapid fault clearance & improved system safety.
How the Mechanism Works
The product functions by:
• Detecting & interrupting short-circuit fault currents
• Automatically disconnecting faulty circuits
• Protecting motors, transformers, & cables
• Preventing damage to electrical equipment
• Supporting safe & reliable power distribution
• Minimizing fault-related downtime
• Improving operational reliability
• Delivering fast fault-clearing performance
It serves as a critical protection & switching device for electrical distribution systems.
Electrical Configuration
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: DN3-630M
• Current Rating: 500A
• Pole Configuration: 3 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 50kA
• Trip Type: Magnetic Trip
• Application: Short-Circuit Protection & Switching
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM94515OOSOOG
Construction & Design
Designed for dependable protection:
• Magnetic trip protection mechanism
• 500A current carrying capacity
• 3-pole protection configuration
• High 50kA fault interruption capability
• Durable molded case construction
• Reliable switching contacts
• Industrial-grade build quality
• Long operational service life
Safety & Protection
• Fast short-circuit fault interruption
• High fault-clearing capability
• Enhanced electrical safety
• Reliable equipment protection
• Reduced risk of electrical damage
• Improved system uptime
• Consistent operating performance
• Long-term operational reliability
Mounting & Durability
• Suitable for switchboards & power distribution panels
• Compatible with industrial & commercial installations
• Rugged molded case housing
• High mechanical endurance
• Low maintenance requirements
• Designed for continuous service
• Quality manufacturing standards
• Suitable for demanding operating environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• OEM Control Panels
• Utility Installations
• Infrastructure Projects
• Electrical Distribution Systems
• Power Management Applications
Key Features
• DN3-630M MCCB series
• 500A current rating
• 3 Pole configuration
• 415V AC operation
• 50kA breaking capacity
• Magnetic trip protection
• Short-circuit protection
• Durable molded case construction
• Reliable switching performance
• Long service life
Applications
• Three-phase power distribution
• Feeder circuit protection
• Motor protection systems
• Transformer protection circuits
• Industrial electrical installations
• Commercial power systems
• OEM panel applications
• Utility distribution networks
FAQs
1. What is the CM94515OOSOOG MCCB used for?
Ans: It is used for short-circuit protection & switching in three-phase electrical distribution systems.
2. What is the current rating of this MCCB?
Ans: The MCCB is rated at 500A.
3. What does 3 Pole mean?
Ans: A 3 Pole MCCB protects & switches all three phases simultaneously in a three-phase electrical system.
4. What is the breaking capacity of this MCCB?
Ans: It provides a 50kA short-circuit breaking capacity for safe interruption of high fault currents.
5. What is a magnetic trip MCCB?
Ans: A magnetic trip MCCB provides instantaneous tripping during short-circuit conditions for rapid fault protection.
6. Where can this MCCB be installed?
Ans: It can be installed in switchboards, power distribution panels, industrial plants, commercial facilities, & OEM equipment panels.
7. Is it suitable for high fault-level applications?
Ans: Yes, its 50kA breaking capacity makes it suitable for installations with high prospective fault currents.
8. Does it require frequent maintenance?
Ans: No, its durable molded case construction & dependable protection mechanism ensure long-term, low-maintenance operation under normal operating conditions.
Overview
| Rated Operational Current | 500 |
|---|---|
| Mechanical Life (No. of operating cycles) | 15000 |
| 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 | M |
| Rated Short Circuit Breaking capacity Icu(kA) | DN3-630M MCCB 500 3P 415V AC 50kA M 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) | 4000 |
| IP Protection | IP40 |
| Pollution Degree | III |
| Width(mm) | 140 |
| Height(mm) | 266 |
| Depth(mm) | 111.5 |
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 DN3-630M MCCB 500A 3 Pole 415V AC 50kA Magnetic Trip is a rugged molded case circuit breaker engineered for dependable protection & switching of low-voltage power distribution systems. Designed to interrupt high fault currents & safeguard electrical equipment against short-circuit conditions, it helps protect motors, transformers, switchboards, cables, & distribution networks from severe electrical faults.
Featuring a 500A rated current, 3 Pole configuration, 415V AC operating voltage, & a high 50kA short-circuit breaking capacity, this MCCB is suitable for industrial plants, commercial buildings, OEM control panels, infrastructure projects, & utility installations where high fault interruption capability & reliable electrical protection are essential.
Equipped with a magnetic trip mechanism, the breaker provides instantaneous tripping under short-circuit conditions, ensuring rapid fault clearance & improved system safety.
How the Mechanism Works
The product functions by:
• Detecting & interrupting short-circuit fault currents
• Automatically disconnecting faulty circuits
• Protecting motors, transformers, & cables
• Preventing damage to electrical equipment
• Supporting safe & reliable power distribution
• Minimizing fault-related downtime
• Improving operational reliability
• Delivering fast fault-clearing performance
It serves as a critical protection & switching device for electrical distribution systems.
Electrical Configuration
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: DN3-630M
• Current Rating: 500A
• Pole Configuration: 3 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Breaking Capacity: 50kA
• Trip Type: Magnetic Trip
• Application: Short-Circuit Protection & Switching
• Suitable For: Three-Phase Electrical Systems
• Catalog Number: CM94515OOSOOG
Construction & Design
Designed for dependable protection:
• Magnetic trip protection mechanism
• 500A current carrying capacity
• 3-pole protection configuration
• High 50kA fault interruption capability
• Durable molded case construction
• Reliable switching contacts
• Industrial-grade build quality
• Long operational service life
Safety & Protection
• Fast short-circuit fault interruption
• High fault-clearing capability
• Enhanced electrical safety
• Reliable equipment protection
• Reduced risk of electrical damage
• Improved system uptime
• Consistent operating performance
• Long-term operational reliability
Mounting & Durability
• Suitable for switchboards & power distribution panels
• Compatible with industrial & commercial installations
• Rugged molded case housing
• High mechanical endurance
• Low maintenance requirements
• Designed for continuous service
• Quality manufacturing standards
• Suitable for demanding operating environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• OEM Control Panels
• Utility Installations
• Infrastructure Projects
• Electrical Distribution Systems
• Power Management Applications
Key Features
• DN3-630M MCCB series
• 500A current rating
• 3 Pole configuration
• 415V AC operation
• 50kA breaking capacity
• Magnetic trip protection
• Short-circuit protection
• Durable molded case construction
• Reliable switching performance
• Long service life
Applications
• Three-phase power distribution
• Feeder circuit protection
• Motor protection systems
• Transformer protection circuits
• Industrial electrical installations
• Commercial power systems
• OEM panel applications
• Utility distribution networks
FAQs
1. What is the CM94515OOSOOG MCCB used for?
Ans: It is used for short-circuit protection & switching in three-phase electrical distribution systems.
2. What is the current rating of this MCCB?
Ans: The MCCB is rated at 500A.
3. What does 3 Pole mean?
Ans: A 3 Pole MCCB protects & switches all three phases simultaneously in a three-phase electrical system.
4. What is the breaking capacity of this MCCB?
Ans: It provides a 50kA short-circuit breaking capacity for safe interruption of high fault currents.
5. What is a magnetic trip MCCB?
Ans: A magnetic trip MCCB provides instantaneous tripping during short-circuit conditions for rapid fault protection.
6. Where can this MCCB be installed?
Ans: It can be installed in switchboards, power distribution panels, industrial plants, commercial facilities, & OEM equipment panels.
7. Is it suitable for high fault-level applications?
Ans: Yes, its 50kA breaking capacity makes it suitable for installations with high prospective fault currents.
8. Does it require frequent maintenance?
Ans: No, its durable molded case construction & dependable protection mechanism ensure long-term, low-maintenance operation under normal operating conditions.
Overview
| Rated Operational Current | 500 |
|---|---|
| Mechanical Life (No. of operating cycles) | 15000 |
| 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 | M |
| Rated Short Circuit Breaking capacity Icu(kA) | DN3-630M MCCB 500 3P 415V AC 50kA M 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) | 4000 |
| IP Protection | IP40 |
| Pollution Degree | III |
| Width(mm) | 140 |
| Height(mm) | 266 |
| Depth(mm) | 111.5 |
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.