Lauritz Knudsen Manual Changeover Switch, C-Line, 63A, 415V AC | Frame 1 | 4 Pole | Open Execution Direct Handle| Load‑Handling Capability
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Lauritz Knudsen Manual Changeover Switch, C-Line, 63A, 415V AC | Frame 1 | 4 Pole | Open Execution Direct Handle| Load‑Handling Capability
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen C-Line Manual Changeover Switch FR1 63A 4P 415V AC is a high-quality switching device designed to safely transfer load between two power sources, such as mains supply & generator backup. Built with open execution & a direct handle mechanism, it offers precise manual control & operational visibility for reliable switching operations.
This 4-pole (4P) switch ensures full isolation of all conductors, making it suitable for critical applications where safety & uninterrupted power management are essential. The C-Line series is known for its robust construction, durability, & dependable performance in industrial & commercial environments.
Purpose & Function
This manual changeover switch is used for safe & controlled power switching:
• Transfers load between two power sources (mains/generator)
• Provides complete isolation of the electrical circuit
• Enables manual & direct switching control
• Ensures continuity of power supply
• Enhances safety during power transitions
Electrical Configuration
• Type: Manual Changeover Switch
• Series: C-Line FR1
• Current rating: 63A
• Rated voltage: 415V AC
• Poles: 4 Pole (4P)
• Execution: Open type
• Operation: Direct handle
• Function: Power source switching & isolation
Construction & Design
The switch is engineered for strength & precision:
• Heavy-duty & durable construction
• Open execution for easy inspection & maintenance
• Direct handle for manual operation
• Compact & space-efficient design
• High-quality contact system for reliable switching
Safety & Protection
• Ensures safe switching between power sources
• Provides full isolation through 4-pole configuration
• Reduces risk of short circuits & electrical faults
• Designed for safe manual operation
• Enhances protection of connected equipment
Mounting & Installation
• Suitable for panel or enclosure mounting
• Easy to install & operate
• Compatible with standard industrial electrical systems
• Ideal for control panels & distribution boards
• Supports organized wiring & accessibility
Application Domains
• Industrial power distribution systems
• Commercial buildings & facilities
• Generator backup systems
• Electrical control panels
• Manufacturing & processing plants
• Residential backup power systems
Key Features
• 63A current rating for medium-load applications
• 415V AC operation for three phase systems
• 4-pole design for complete circuit isolation
• Open execution for easy maintenance
• Direct handle for manual control
• Durable & industrial-grade construction
Applications
• Power source transfer systems
• Generator changeover panels
• Industrial distribution boards
• Commercial electrical installations
• Backup power management systems
FAQs
1. What is a manual changeover switch?
Ans: A manual changeover switch is used to switch power supply between two sources, such as mains & generator, manually.
2. What does 4P mean?
Ans: 4P (4-pole) means the switch isolates all four conductors, including neutral, ensuring complete safety.
3. What is open execution?
Ans: Open execution means the switch is not enclosed, allowing easy access for inspection & maintenance.
4. What is a direct handle?
Ans: A direct handle allows manual operation of the switch without additional mechanisms.
5. Where is this switch used?
Ans: It is used in generator panels, industrial control systems, & commercial power distribution setups.
6. Why is full isolation important?
Ans: Full isolation ensures complete disconnection of the circuit, improving safety during maintenance or switching.
7. Is this suitable for industrial use?
Ans: Yes, it is designed for industrial, commercial, & heavy-duty electrical applications.
Overview
| Rated Operational Current (A) | 63 |
|---|---|
| Conformance to Standards | IS/IEC 60947-3, EN 60947-3 |
| Utilization Category | AC-23A |
| Rated operational voltage (Ue) | 415V |
| Operating Frequency(Hz) | 50/60 |
| Mechanical Life (No. of operating cycles) | 20000 |
| Rated Insulation Voltage Ui (V) | 1000 |
| Short Time Withstand for 1sec (kA) | 4 |
| Rated Operational Power (kW) | 37 |
| Rated Breaking Capacity@AC-23A (A) | 504 |
| Rated Making Capacity@AC-23A (A) | 630 |
| Version | Manual, Open Execution |
| No. of Poles | 4P |
| Electrical life (Operating Cylces) | 3000 |
| Mechanical Life (Operating Cycles) | 20000 |
| Maximum Al termination (sq.mm) | 25 |
| Mounting positions | All Orientations |
| Standard Accessories | Terminal Shroud,Phase Barriers,Source Separator,Auxiliary Contacts, Extended handle with shaft |
| Pollution Degree | 3 |
| Rated impulse withstand voltage (Uimp) | 8 |
| 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 C-Line Manual Changeover Switch FR1 63A 4P 415V AC is a high-quality switching device designed to safely transfer load between two power sources, such as mains supply & generator backup. Built with open execution & a direct handle mechanism, it offers precise manual control & operational visibility for reliable switching operations.
This 4-pole (4P) switch ensures full isolation of all conductors, making it suitable for critical applications where safety & uninterrupted power management are essential. The C-Line series is known for its robust construction, durability, & dependable performance in industrial & commercial environments.
Purpose & Function
This manual changeover switch is used for safe & controlled power switching:
• Transfers load between two power sources (mains/generator)
• Provides complete isolation of the electrical circuit
• Enables manual & direct switching control
• Ensures continuity of power supply
• Enhances safety during power transitions
Electrical Configuration
• Type: Manual Changeover Switch
• Series: C-Line FR1
• Current rating: 63A
• Rated voltage: 415V AC
• Poles: 4 Pole (4P)
• Execution: Open type
• Operation: Direct handle
• Function: Power source switching & isolation
Construction & Design
The switch is engineered for strength & precision:
• Heavy-duty & durable construction
• Open execution for easy inspection & maintenance
• Direct handle for manual operation
• Compact & space-efficient design
• High-quality contact system for reliable switching
Safety & Protection
• Ensures safe switching between power sources
• Provides full isolation through 4-pole configuration
• Reduces risk of short circuits & electrical faults
• Designed for safe manual operation
• Enhances protection of connected equipment
Mounting & Installation
• Suitable for panel or enclosure mounting
• Easy to install & operate
• Compatible with standard industrial electrical systems
• Ideal for control panels & distribution boards
• Supports organized wiring & accessibility
Application Domains
• Industrial power distribution systems
• Commercial buildings & facilities
• Generator backup systems
• Electrical control panels
• Manufacturing & processing plants
• Residential backup power systems
Key Features
• 63A current rating for medium-load applications
• 415V AC operation for three phase systems
• 4-pole design for complete circuit isolation
• Open execution for easy maintenance
• Direct handle for manual control
• Durable & industrial-grade construction
Applications
• Power source transfer systems
• Generator changeover panels
• Industrial distribution boards
• Commercial electrical installations
• Backup power management systems
FAQs
1. What is a manual changeover switch?
Ans: A manual changeover switch is used to switch power supply between two sources, such as mains & generator, manually.
2. What does 4P mean?
Ans: 4P (4-pole) means the switch isolates all four conductors, including neutral, ensuring complete safety.
3. What is open execution?
Ans: Open execution means the switch is not enclosed, allowing easy access for inspection & maintenance.
4. What is a direct handle?
Ans: A direct handle allows manual operation of the switch without additional mechanisms.
5. Where is this switch used?
Ans: It is used in generator panels, industrial control systems, & commercial power distribution setups.
6. Why is full isolation important?
Ans: Full isolation ensures complete disconnection of the circuit, improving safety during maintenance or switching.
7. Is this suitable for industrial use?
Ans: Yes, it is designed for industrial, commercial, & heavy-duty electrical applications.
Overview
| Rated Operational Current (A) | 63 |
|---|---|
| Conformance to Standards | IS/IEC 60947-3, EN 60947-3 |
| Utilization Category | AC-23A |
| Rated operational voltage (Ue) | 415V |
| Operating Frequency(Hz) | 50/60 |
| Mechanical Life (No. of operating cycles) | 20000 |
| Rated Insulation Voltage Ui (V) | 1000 |
| Short Time Withstand for 1sec (kA) | 4 |
| Rated Operational Power (kW) | 37 |
| Rated Breaking Capacity@AC-23A (A) | 504 |
| Rated Making Capacity@AC-23A (A) | 630 |
| Version | Manual, Open Execution |
| No. of Poles | 4P |
| Electrical life (Operating Cylces) | 3000 |
| Mechanical Life (Operating Cycles) | 20000 |
| Maximum Al termination (sq.mm) | 25 |
| Mounting positions | All Orientations |
| Standard Accessories | Terminal Shroud,Phase Barriers,Source Separator,Auxiliary Contacts, Extended handle with shaft |
| Pollution Degree | 3 |
| Rated impulse withstand voltage (Uimp) | 8 |
| 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.