Lauritz Knudsen Manual Changeover Switch, C-Line, 125A, 415V AC | Frame 2 | 4 Pole | SS Enclosure Extended Handle| Load‑Handling Capability
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Lauritz Knudsen Manual Changeover Switch, C-Line, 125A, 415V AC | Frame 2 | 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 FR2 125A 4P 415V AC with SS (stainless steel) enclosure is a heavy-duty & reliable switching solution designed for safe transfer of electrical load between two power sources such as mains supply & generator backup.
This model features a robust stainless steel enclosure that provides superior protection against dust, moisture, corrosion, & harsh environmental conditions. The extended handle allows smooth & safe external operation without opening the enclosure, improving convenience & operator safety.
Being part of the FR2 series, it offers enhanced durability & performance compared to standard variants, making it well-suited for more demanding industrial & commercial installations. The 4-pole (4P) configuration ensures complete isolation of all conductors including neutral, ensuring maximum safety & reliability.
Purpose & Function
This enclosed manual changeover switch is designed for reliable & safe power management:
• Transfers load between mains & generator supply
• Provides complete circuit isolation during switching
• Enables external manual operation using an extended handle
• Ensures uninterrupted power availability
• Enhances operational safety with protective enclosure
Electrical Configuration
• Type: Manual Changeover Switch
• Series: C-Line FR2
• Current rating: 125A
• 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 engineered for durability & industrial performance:
• Stainless steel enclosure for corrosion resistance & strength
• Heavy-duty construction for long service life
• Extended handle for convenient external operation
• Compact & robust design suitable for industrial panels
• High-quality contact system for reliable switching performance
Safety & Protection
• SS enclosure protects against dust, moisture, & environmental damage
• 4-pole design ensures complete electrical isolation
• Reduces risk of electrical faults & accidental contact
• Improves operator safety during switching
• Ensures dependable performance in harsh environments
Mounting & Installation
• Suitable for wall or panel mounting
• Enclosed design allows use in exposed & semi-outdoor environments
• Extended handle enables operation without opening the enclosure
• Compatible with standard industrial electrical systems
• Supports secure & organized wiring setup
Application Domains
• Industrial power distribution systems
• Commercial buildings & infrastructure
• Generator backup systems
• Outdoor & semi-outdoor electrical installations
• Electrical control panels in harsh environments
• Manufacturing & processing units
Key Features
• 125A current rating for medium to high-load applications
• 415V AC operation for three phase systems
• 4-pole configuration for complete circuit isolation
• Stainless steel enclosure for enhanced protection
• Extended handle for safe & convenient external operation
• Durable & industrial-grade construction
Applications
• Generator changeover panels
• Industrial distribution boards
• Commercial electrical installations
• Outdoor electrical systems
• Backup power management solutions
FAQs
1. What is the advantage of an SS enclosure?
Ans: The stainless steel enclosure protects the switch from dust, moisture, corrosion, & physical damage, making it suitable for harsh environments.
2. What does 4P mean?
Ans: 4P (four-pole) means all conductors including neutral are isolated for maximum safety.
3. What is the purpose of the extended handle?
Ans: It allows the switch to be operated externally without opening the enclosure, improving safety & ease of use.
4. Can this switch be used outdoors?
Ans: Yes, the SS enclosed design makes it suitable for outdoor or semi-outdoor installations.
5. What is a manual changeover switch used for?
Ans: It is used to safely transfer power between two sources such as mains & generator.
6. Why is complete isolation important?
Ans: It ensures safety during switching & maintenance by fully disconnecting the circuit.
7. Is this suitable for industrial applications?
Ans: Yes, it is designed for industrial, commercial, & backup power systems requiring safe & reliable switching.
Overview
| Rated Operational Current (A) | 125 |
|---|---|
| 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) | 16000 |
| Rated Insulation Voltage Ui (V) | 1000 |
| Short Time Withstand for 1sec (kA) | 8 |
| Rated Operational Power (kW) | 65 |
| Rated Breaking Capacity@AC-23A (A) | 1000 |
| Rated Making Capacity@AC-23A (A) | 1250 |
| Version | Manual, SS enclosure |
| No. of Poles | 4P |
| Electrical life (Operating Cylces) | 2000 |
| Mechanical Life (Operating Cycles) | 16000 |
| Maximum Al termination (sq.mm) | 95 |
| 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 FR2 125A 4P 415V AC with SS (stainless steel) enclosure is a heavy-duty & reliable switching solution designed for safe transfer of electrical load between two power sources such as mains supply & generator backup.
This model features a robust stainless steel enclosure that provides superior protection against dust, moisture, corrosion, & harsh environmental conditions. The extended handle allows smooth & safe external operation without opening the enclosure, improving convenience & operator safety.
Being part of the FR2 series, it offers enhanced durability & performance compared to standard variants, making it well-suited for more demanding industrial & commercial installations. The 4-pole (4P) configuration ensures complete isolation of all conductors including neutral, ensuring maximum safety & reliability.
Purpose & Function
This enclosed manual changeover switch is designed for reliable & safe power management:
• Transfers load between mains & generator supply
• Provides complete circuit isolation during switching
• Enables external manual operation using an extended handle
• Ensures uninterrupted power availability
• Enhances operational safety with protective enclosure
Electrical Configuration
• Type: Manual Changeover Switch
• Series: C-Line FR2
• Current rating: 125A
• 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 engineered for durability & industrial performance:
• Stainless steel enclosure for corrosion resistance & strength
• Heavy-duty construction for long service life
• Extended handle for convenient external operation
• Compact & robust design suitable for industrial panels
• High-quality contact system for reliable switching performance
Safety & Protection
• SS enclosure protects against dust, moisture, & environmental damage
• 4-pole design ensures complete electrical isolation
• Reduces risk of electrical faults & accidental contact
• Improves operator safety during switching
• Ensures dependable performance in harsh environments
Mounting & Installation
• Suitable for wall or panel mounting
• Enclosed design allows use in exposed & semi-outdoor environments
• Extended handle enables operation without opening the enclosure
• Compatible with standard industrial electrical systems
• Supports secure & organized wiring setup
Application Domains
• Industrial power distribution systems
• Commercial buildings & infrastructure
• Generator backup systems
• Outdoor & semi-outdoor electrical installations
• Electrical control panels in harsh environments
• Manufacturing & processing units
Key Features
• 125A current rating for medium to high-load applications
• 415V AC operation for three phase systems
• 4-pole configuration for complete circuit isolation
• Stainless steel enclosure for enhanced protection
• Extended handle for safe & convenient external operation
• Durable & industrial-grade construction
Applications
• Generator changeover panels
• Industrial distribution boards
• Commercial electrical installations
• Outdoor electrical systems
• Backup power management solutions
FAQs
1. What is the advantage of an SS enclosure?
Ans: The stainless steel enclosure protects the switch from dust, moisture, corrosion, & physical damage, making it suitable for harsh environments.
2. What does 4P mean?
Ans: 4P (four-pole) means all conductors including neutral are isolated for maximum safety.
3. What is the purpose of the extended handle?
Ans: It allows the switch to be operated externally without opening the enclosure, improving safety & ease of use.
4. Can this switch be used outdoors?
Ans: Yes, the SS enclosed design makes it suitable for outdoor or semi-outdoor installations.
5. What is a manual changeover switch used for?
Ans: It is used to safely transfer power between two sources such as mains & generator.
6. Why is complete isolation important?
Ans: It ensures safety during switching & maintenance by fully disconnecting the circuit.
7. Is this suitable for industrial applications?
Ans: Yes, it is designed for industrial, commercial, & backup power systems requiring safe & reliable switching.
Overview
| Rated Operational Current (A) | 125 |
|---|---|
| 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) | 16000 |
| Rated Insulation Voltage Ui (V) | 1000 |
| Short Time Withstand for 1sec (kA) | 8 |
| Rated Operational Power (kW) | 65 |
| Rated Breaking Capacity@AC-23A (A) | 1000 |
| Rated Making Capacity@AC-23A (A) | 1250 |
| Version | Manual, SS enclosure |
| No. of Poles | 4P |
| Electrical life (Operating Cylces) | 2000 |
| Mechanical Life (Operating Cycles) | 16000 |
| Maximum Al termination (sq.mm) | 95 |
| 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.