Lauritz Knudsen Manual Changeover Switch, C-Line, 800A, 415V AC | Frame 5 | 4 Pole | SS Enclosure Extended Handle| Load‑Handling Capability
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Lauritz Knudsen Manual Changeover Switch, C-Line, 800A, 415V AC | Frame 5 | 4 Pole | SS Enclosure Extended Handle| Load‑Handling Capability
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen C-Line Manual Changeover Switch FR5 800A 4P 415V AC with SS (stainless steel) enclosure is an ultra heavy-duty & high-capacity switching solution engineered for safe & efficient transfer of electrical load between two power sources such as mains supply & generator backup.
This model is equipped with a robust stainless steel enclosure that offers superior protection against dust, moisture, corrosion, & harsh environmental conditions. The extended handle allows smooth & safe external operation without opening the enclosure, ensuring maximum operator safety & ease of use.
Belonging to the FR5 series, it is designed for extreme industrial environments & critical infrastructure where reliable performance under very high loads is essential. The 4-pole (4P) configuration ensures complete isolation of all conductors including neutral, providing maximum safety, efficiency, & operational reliability.
Purpose & Function
This enclosed manual changeover switch ensures safe & reliable power management:
• Transfers load between mains & generator supply
• Provides complete electrical isolation during switching
• Enables safe external operation using an extended handle
• Ensures uninterrupted power during supply transitions
• Enhances system safety with enclosed design
Electrical Configuration
• Type: Manual Changeover Switch
• Series: C-Line FR5
• Current rating: 800A
• Rated voltage: 415V AC
• Poles: 4 Pole (4P)
• Enclosure: Stainless Steel (SS)
• Operation: Extended handle
• Function: Power source switching & isolation
Construction & Design
The switch is built for extreme durability & high-performance applications:
• Stainless steel enclosure for corrosion resistance & environmental protection
• Ultra heavy-duty industrial-grade construction
• Extended handle for safe & convenient external operation
• Designed for very high current handling capacity
• High-quality contact system for reliable & stable switching performance
Safety & Protection
• SS enclosure protects against dust, moisture, & mechanical damage
• 4-pole configuration ensures full circuit isolation including neutral
• Reduces risk of electrical faults & accidental contact
• Improves operator safety during operation
• Ensures consistent performance in harsh & demanding environments
Mounting & Installation
• Suitable for wall or panel mounting
• Enclosed design allows installation in outdoor or semi-outdoor environments
• Extended handle enables operation without opening enclosure
• Compatible with standard heavy-duty industrial electrical systems
• Supports secure & organized internal wiring
Application Domains
• Heavy industrial power distribution systems
• Large infrastructure & utility projects
• Generator backup systems for critical operations
• Electrical substations & main distribution panels
• Manufacturing & process industries
• Ultra high-load power management systems
Key Features
• 800A current rating for ultra high-capacity applications
• 415V AC operation for three phase systems
• 4-pole configuration for complete circuit isolation
• Stainless steel enclosure for superior protection & durability
• Extended handle for safe external operation
• Ultra heavy-duty & industrial-grade construction
Applications
• Generator changeover panels
• Industrial distribution boards
• Infrastructure electrical systems
• Backup & emergency power systems
• High-capacity control panels & switchgear
FAQs
1. What is the purpose of this changeover switch?
Ans: It is used to safely transfer electrical load between two sources such as mains supply & generator backup.
2. What does 4P mean?
Ans: 4P (four-pole) means all conductors including neutral are fully isolated, ensuring maximum safety.
3. Why is a stainless steel enclosure important?
Ans: It protects the switch from dust, moisture, corrosion, & environmental damage, increasing durability & reliability.
4. What is the advantage of the extended handle?
Ans: It allows the switch to be operated externally without opening the enclosure, improving safety & convenience.
5. Can this switch be used outdoors?
Ans: Yes, the SS enclosed design makes it suitable for outdoor & semi-outdoor installations.
6. Is this suitable for heavy industrial applications?
Ans: Yes, it is designed for ultra high-load industrial & infrastructure applications.
7. Why is full isolation important?
Ans: Full isolation ensures safe switching & maintenance by completely disconnecting the electrical circuit.
Overview
| Rated Operational Current (A) | 800 |
|---|---|
| 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) | 10000 |
| Rated Insulation Voltage Ui (V) | 1000 |
| Short Time Withstand for 1sec (kA) | 50 |
| Rated Operational Power (kW) | 400 |
| Rated Breaking Capacity@AC-23A (A) | 6400 |
| Rated Making Capacity@AC-23A (A) | 8000 |
| Version | Manual, SS enclosure |
| No. of Poles | 4P |
| Electrical life (Operating Cylces) | 1000 |
| Mechanical Life (Operating Cycles) | 10000 |
| Maximum Al termination (sq.mm) | 2*400 |
| Standard Accessories | Terminal Shroud,Phase Barriers,Source Separator, Extended handle with shaft |
| Pollution Degree | 3 |
| Rated impulse withstand voltage (Uimp) | 12 |
| 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 FR5 800A 4P 415V AC with SS (stainless steel) enclosure is an ultra heavy-duty & high-capacity switching solution engineered for safe & efficient transfer of electrical load between two power sources such as mains supply & generator backup.
This model is equipped with a robust stainless steel enclosure that offers superior protection against dust, moisture, corrosion, & harsh environmental conditions. The extended handle allows smooth & safe external operation without opening the enclosure, ensuring maximum operator safety & ease of use.
Belonging to the FR5 series, it is designed for extreme industrial environments & critical infrastructure where reliable performance under very high loads is essential. The 4-pole (4P) configuration ensures complete isolation of all conductors including neutral, providing maximum safety, efficiency, & operational reliability.
Purpose & Function
This enclosed manual changeover switch ensures safe & reliable power management:
• Transfers load between mains & generator supply
• Provides complete electrical isolation during switching
• Enables safe external operation using an extended handle
• Ensures uninterrupted power during supply transitions
• Enhances system safety with enclosed design
Electrical Configuration
• Type: Manual Changeover Switch
• Series: C-Line FR5
• Current rating: 800A
• Rated voltage: 415V AC
• Poles: 4 Pole (4P)
• Enclosure: Stainless Steel (SS)
• Operation: Extended handle
• Function: Power source switching & isolation
Construction & Design
The switch is built for extreme durability & high-performance applications:
• Stainless steel enclosure for corrosion resistance & environmental protection
• Ultra heavy-duty industrial-grade construction
• Extended handle for safe & convenient external operation
• Designed for very high current handling capacity
• High-quality contact system for reliable & stable switching performance
Safety & Protection
• SS enclosure protects against dust, moisture, & mechanical damage
• 4-pole configuration ensures full circuit isolation including neutral
• Reduces risk of electrical faults & accidental contact
• Improves operator safety during operation
• Ensures consistent performance in harsh & demanding environments
Mounting & Installation
• Suitable for wall or panel mounting
• Enclosed design allows installation in outdoor or semi-outdoor environments
• Extended handle enables operation without opening enclosure
• Compatible with standard heavy-duty industrial electrical systems
• Supports secure & organized internal wiring
Application Domains
• Heavy industrial power distribution systems
• Large infrastructure & utility projects
• Generator backup systems for critical operations
• Electrical substations & main distribution panels
• Manufacturing & process industries
• Ultra high-load power management systems
Key Features
• 800A current rating for ultra high-capacity applications
• 415V AC operation for three phase systems
• 4-pole configuration for complete circuit isolation
• Stainless steel enclosure for superior protection & durability
• Extended handle for safe external operation
• Ultra heavy-duty & industrial-grade construction
Applications
• Generator changeover panels
• Industrial distribution boards
• Infrastructure electrical systems
• Backup & emergency power systems
• High-capacity control panels & switchgear
FAQs
1. What is the purpose of this changeover switch?
Ans: It is used to safely transfer electrical load between two sources such as mains supply & generator backup.
2. What does 4P mean?
Ans: 4P (four-pole) means all conductors including neutral are fully isolated, ensuring maximum safety.
3. Why is a stainless steel enclosure important?
Ans: It protects the switch from dust, moisture, corrosion, & environmental damage, increasing durability & reliability.
4. What is the advantage of the extended handle?
Ans: It allows the switch to be operated externally without opening the enclosure, improving safety & convenience.
5. Can this switch be used outdoors?
Ans: Yes, the SS enclosed design makes it suitable for outdoor & semi-outdoor installations.
6. Is this suitable for heavy industrial applications?
Ans: Yes, it is designed for ultra high-load industrial & infrastructure applications.
7. Why is full isolation important?
Ans: Full isolation ensures safe switching & maintenance by completely disconnecting the electrical circuit.
Overview
| Rated Operational Current (A) | 800 |
|---|---|
| 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) | 10000 |
| Rated Insulation Voltage Ui (V) | 1000 |
| Short Time Withstand for 1sec (kA) | 50 |
| Rated Operational Power (kW) | 400 |
| Rated Breaking Capacity@AC-23A (A) | 6400 |
| Rated Making Capacity@AC-23A (A) | 8000 |
| Version | Manual, SS enclosure |
| No. of Poles | 4P |
| Electrical life (Operating Cylces) | 1000 |
| Mechanical Life (Operating Cycles) | 10000 |
| Maximum Al termination (sq.mm) | 2*400 |
| Standard Accessories | Terminal Shroud,Phase Barriers,Source Separator, Extended handle with shaft |
| Pollution Degree | 3 |
| Rated impulse withstand voltage (Uimp) | 12 |
| 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.