Description
About the Product
The Lauritz Knudsen C-Line Manual Changeover Switch FR4 400A 4P 415V AC with SS (stainless steel) enclosure is a robust & high-capacity switching solution engineered for safe transfer of electrical load between two power sources such as mains supply & generator backup.
This model features a heavy-duty 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 usability & operator safety.
As part of the FR4 series, it is designed for high-load & demanding industrial environments. Its 4-pole (4P) configuration ensures complete isolation of all conductors including neutral, delivering enhanced safety, reliability, & consistent performance.
Purpose & Function
This enclosed manual changeover switch ensures reliable & safe power control:
• Transfers load between mains & generator supply
• Provides complete electrical isolation during switching
• Enables safe external operation via extended handle
• Ensures continuity of power during source transitions
• Enhances safety with protective enclosure
Electrical Configuration
• Type: Manual Changeover Switch
• Series: C-Line FR4
• Current rating: 400A
• 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 & high-performance use:
• Stainless steel enclosure for corrosion resistance & protection
• Heavy-duty industrial-grade construction
• Extended handle for convenient external operation
• Compact yet robust design suitable for large panels
• High-quality contact system for consistent & reliable switching
Safety & Protection
• SS enclosure protects against dust, moisture, & environmental damage
• 4-pole configuration ensures complete circuit isolation
• Reduces risk of electrical faults & accidental contact
• Improves operator safety during switching
• Ensures long-term performance in harsh environments
Mounting & Installation
• Suitable for wall or panel mounting
• Enclosed design supports installation in exposed or semi-outdoor environments
• Extended handle enables operation without opening enclosure
• Compatible with standard industrial electrical systems
• Supports organized & secure internal wiring
Application Domains
• Industrial power distribution systems
• Commercial infrastructure & facilities
• Generator backup systems
• Outdoor & semi-outdoor installations
• Electrical control panels in harsh environments
• Manufacturing & processing plants
Key Features
• 400A current rating for high-capacity applications
• 415V AC operation for three phase systems
• 4-pole configuration for complete electrical isolation
• Stainless steel enclosure for enhanced durability & protection
• Extended handle for safe external operation
• Heavy-duty industrial-grade design
Applications
• Generator changeover panels
• Industrial distribution boards
• Commercial electrical systems
• Outdoor electrical installations
• Backup power management systems
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 & generator.
2. What does 4P mean?
Ans: 4P (four-pole) means all conductors including neutral are fully isolated for maximum safety.
3. Why is an SS enclosure used?
Ans: It protects against dust, moisture, corrosion, & external damage, ensuring durability in harsh environments.
4. What is the benefit of the extended handle?
Ans: It allows the switch to be operated externally without opening the enclosure, improving safety & convenience.
5. Can this be used outdoors?
Ans: Yes, the enclosed design makes it suitable for outdoor & semi-outdoor applications.
6. Is this suitable for industrial use?
Ans: Yes, it is designed for heavy-duty industrial & commercial applications.
7. Why is full isolation important?
Ans: Full isolation ensures safe operation & maintenance by completely disconnecting the electrical circuit.
Overview
| Rated Operational Current (A) | 400 |
|---|---|
| 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) | 22 |
| Rated Operational Power (kW) | 225 |
| Rated Breaking Capacity@AC-23A (A) | 3200 |
Detopsy electricalshop is a major dealer and supplier of L & K Breakers
We are located in PORTHARCOURT, ABUJA and LAGOS
Call: 09050234845
Email: [email protected]
for more breakers, visit Circuit Breakers – Circuit Breaker Store Archives – Detopsy Electric
