Lauritz Knudsen DN3-630SD, MCCB, 4 Pole, 415V AC, 630A | Switch Disconnector | IP40 Protection | MCCBs without protection release
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Lauritz Knudsen DN3-630SD, MCCB, 4 Pole, 415V AC, 630A | Switch Disconnector | IP40 Protection | MCCBs without protection release
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen DN3-630SD MCCB 630A 4 Pole 415V AC Magnetic Trip is a robust molded case circuit breaker engineered to provide dependable protection & switching for low-voltage electrical distribution networks. Designed to safeguard electrical equipment against short-circuit faults, it helps protect motors, transformers, power distribution panels, cables, & switchboards from severe electrical disturbances.
Featuring a 630A rated current, 4 Pole configuration, & 415V AC operating voltage, this MCCB is suitable for industrial facilities, manufacturing plants, commercial buildings, OEM equipment, utility installations, & infrastructure projects where dependable fault isolation & reliable switching performance are required.
Its magnetic trip mechanism provides instantaneous tripping during short-circuit conditions, enabling rapid fault clearing, improved equipment protection, reduced downtime, & enhanced system safety. The 4 Pole configuration ensures simultaneous switching of all three phases & the neutral conductor for complete circuit isolation.
How the Mechanism Works
The product functions by:
• Detecting short-circuit fault currents instantly
• Interrupting fault conditions rapidly
• Automatically disconnecting faulty circuits
• Protecting motors, transformers, & cables
• Providing complete phase & neutral isolation
• Preventing damage to electrical systems
• Supporting safe power distribution
• Delivering reliable fault-clearing performance
It serves as a critical protection & switching device for maintaining electrical safety & system reliability.
Electrical Configuration
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: DN3-630SD
• Current Rating: 630A
• Pole Configuration: 4 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Trip Type: Magnetic Trip
• Application: Short-Circuit Protection & Switching
• Suitable For: Three-Phase & Neutral Electrical Systems
• Catalog Number: CM96807OOTOOG
Construction & Design
Designed for dependable protection:
• Instantaneous magnetic trip mechanism
• 630A current carrying capacity
• 4-pole switching configuration
• Neutral pole switching capability
• Industrial-grade molded case design
• Durable contact assembly
• Reliable switching operation
• Robust mechanical construction
Safety & Protection
• Fast fault interruption capability
• Enhanced short-circuit protection
• Improved electrical safety
• Complete phase & neutral isolation
• Reduced equipment damage risk
• Reliable switching performance
• Improved system uptime
• Stable long-term operation
Mounting & Durability
• Suitable for switchboards & distribution panels
• Compatible with industrial & commercial installations
• Rugged molded case construction
• High mechanical endurance
• Designed for continuous-duty operation
• Low maintenance requirements
• Quality-engineered construction
• Suitable for demanding environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• Utility Installations
• Infrastructure Projects
• Electrical Distribution Systems
• OEM Control Panels
• Power Management Applications
Key Features
• DN3-630SD MCCB series
• 630A current rating
• 4 Pole configuration
• 415V AC operation
• Magnetic trip protection
• Instantaneous short-circuit protection
• Neutral pole switching capability
• Reliable switching functionality
• Industrial-grade construction
• Long service life
Applications
• Three-phase power distribution
• Main incomer protection
• Feeder circuit protection
• Industrial machinery protection
• Motor protection systems
• Transformer protection circuits
• OEM panel applications
• Infrastructure electrical projects
FAQs
1. What is the CM96807OOTOOG MCCB used for?
Ans: It is used for short-circuit protection & switching in three-phase electrical distribution systems requiring neutral isolation capability.
2. What is the current rating of this MCCB?
Ans: The MCCB is rated at 630A.
3. What does 4 Pole mean?
Ans: A 4 Pole MCCB protects & switches all three phase conductors along with the neutral conductor, ensuring complete circuit isolation.
4. What is a magnetic trip MCCB?
Ans: A magnetic trip MCCB provides instantaneous tripping in response to short-circuit currents, helping rapidly isolate faults & protect equipment.
5. What voltage is this MCCB designed for?
Ans: It is designed for operation in 415V AC electrical systems.
6. Where can this MCCB be installed?
Ans: It can be installed in switchboards, distribution panels, industrial facilities, commercial buildings, OEM equipment, & infrastructure projects.
7. Why choose a 4 Pole MCCB instead of a 3 Pole MCCB?
Ans: A 4 Pole MCCB provides simultaneous switching of the neutral conductor together with all three phases, offering complete isolation & enhanced electrical safety.
8. Does it require frequent maintenance?
Ans: No, the durable molded case construction & reliable operating mechanism provide long-term, low-maintenance service under normal operating conditions.
Overview
| Rated Operational Current | 630 |
|---|---|
| Mechanical Life (No. of operating cycles) | 15000 |
| No. of Poles | 4P |
| 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 | SD |
| Rated Short Circuit Breaking capacity Icu(kA) | DN3-630SD MCCB 630 4P 415V AC - SD 50/60 Hz |
| 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) | 183.5 |
| 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 DN3-630SD MCCB 630A 4 Pole 415V AC Magnetic Trip is a robust molded case circuit breaker engineered to provide dependable protection & switching for low-voltage electrical distribution networks. Designed to safeguard electrical equipment against short-circuit faults, it helps protect motors, transformers, power distribution panels, cables, & switchboards from severe electrical disturbances.
Featuring a 630A rated current, 4 Pole configuration, & 415V AC operating voltage, this MCCB is suitable for industrial facilities, manufacturing plants, commercial buildings, OEM equipment, utility installations, & infrastructure projects where dependable fault isolation & reliable switching performance are required.
Its magnetic trip mechanism provides instantaneous tripping during short-circuit conditions, enabling rapid fault clearing, improved equipment protection, reduced downtime, & enhanced system safety. The 4 Pole configuration ensures simultaneous switching of all three phases & the neutral conductor for complete circuit isolation.
How the Mechanism Works
The product functions by:
• Detecting short-circuit fault currents instantly
• Interrupting fault conditions rapidly
• Automatically disconnecting faulty circuits
• Protecting motors, transformers, & cables
• Providing complete phase & neutral isolation
• Preventing damage to electrical systems
• Supporting safe power distribution
• Delivering reliable fault-clearing performance
It serves as a critical protection & switching device for maintaining electrical safety & system reliability.
Electrical Configuration
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: DN3-630SD
• Current Rating: 630A
• Pole Configuration: 4 Pole
• Rated Voltage: 415V AC
• Frequency: 50/60 Hz
• Trip Type: Magnetic Trip
• Application: Short-Circuit Protection & Switching
• Suitable For: Three-Phase & Neutral Electrical Systems
• Catalog Number: CM96807OOTOOG
Construction & Design
Designed for dependable protection:
• Instantaneous magnetic trip mechanism
• 630A current carrying capacity
• 4-pole switching configuration
• Neutral pole switching capability
• Industrial-grade molded case design
• Durable contact assembly
• Reliable switching operation
• Robust mechanical construction
Safety & Protection
• Fast fault interruption capability
• Enhanced short-circuit protection
• Improved electrical safety
• Complete phase & neutral isolation
• Reduced equipment damage risk
• Reliable switching performance
• Improved system uptime
• Stable long-term operation
Mounting & Durability
• Suitable for switchboards & distribution panels
• Compatible with industrial & commercial installations
• Rugged molded case construction
• High mechanical endurance
• Designed for continuous-duty operation
• Low maintenance requirements
• Quality-engineered construction
• Suitable for demanding environments
Application Domains
• Industrial Facilities
• Manufacturing Plants
• Commercial Buildings
• Utility Installations
• Infrastructure Projects
• Electrical Distribution Systems
• OEM Control Panels
• Power Management Applications
Key Features
• DN3-630SD MCCB series
• 630A current rating
• 4 Pole configuration
• 415V AC operation
• Magnetic trip protection
• Instantaneous short-circuit protection
• Neutral pole switching capability
• Reliable switching functionality
• Industrial-grade construction
• Long service life
Applications
• Three-phase power distribution
• Main incomer protection
• Feeder circuit protection
• Industrial machinery protection
• Motor protection systems
• Transformer protection circuits
• OEM panel applications
• Infrastructure electrical projects
FAQs
1. What is the CM96807OOTOOG MCCB used for?
Ans: It is used for short-circuit protection & switching in three-phase electrical distribution systems requiring neutral isolation capability.
2. What is the current rating of this MCCB?
Ans: The MCCB is rated at 630A.
3. What does 4 Pole mean?
Ans: A 4 Pole MCCB protects & switches all three phase conductors along with the neutral conductor, ensuring complete circuit isolation.
4. What is a magnetic trip MCCB?
Ans: A magnetic trip MCCB provides instantaneous tripping in response to short-circuit currents, helping rapidly isolate faults & protect equipment.
5. What voltage is this MCCB designed for?
Ans: It is designed for operation in 415V AC electrical systems.
6. Where can this MCCB be installed?
Ans: It can be installed in switchboards, distribution panels, industrial facilities, commercial buildings, OEM equipment, & infrastructure projects.
7. Why choose a 4 Pole MCCB instead of a 3 Pole MCCB?
Ans: A 4 Pole MCCB provides simultaneous switching of the neutral conductor together with all three phases, offering complete isolation & enhanced electrical safety.
8. Does it require frequent maintenance?
Ans: No, the durable molded case construction & reliable operating mechanism provide long-term, low-maintenance service under normal operating conditions.
Overview
| Rated Operational Current | 630 |
|---|---|
| Mechanical Life (No. of operating cycles) | 15000 |
| No. of Poles | 4P |
| 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 | SD |
| Rated Short Circuit Breaking capacity Icu(kA) | DN3-630SD MCCB 630 4P 415V AC - SD 50/60 Hz |
| 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) | 183.5 |
| 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.