Description
About the Product
The Lauritz Knudsen C-Line Manual Changeover Switch FR1 100A 4P 415V AC with SS (stainless steel) enclosure is a durable & reliable switching device designed for safe transfer of electrical load between two power sources such as mains supply & generator backup.
This model features a strong stainless steel enclosure that provides enhanced protection against dust, moisture, & harsh environmental conditions. The extended handle enables safe & convenient external operation without opening the enclosure, improving operator safety & ease of use.
With a 4-pole (4P) configuration, the switch ensures complete isolation of all conductors including neutral, making it ideal for applications requiring high safety, reliability, & continuous power availability.
Purpose & Function
This enclosed manual changeover switch is designed for safe & efficient power switching:
• Transfers load between mains supply & generator
• Provides full circuit isolation during switching
• Enables safe external operation using an extended handle
• Ensures continuity of power supply during outages
• Enhances system safety with protective enclosure
Electrical Configuration
• Type: Manual Changeover Switch
• Series: C-Line FR1
• Current rating: 100A
• 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 & real-world reliability:
• Stainless steel enclosure for corrosion & weather resistance
• Strong & rugged construction for long service life
• Extended handle for convenient external operation
• Compact & space-efficient design
• High-quality contact system for reliable switching performance
Safety & Protection
• SS enclosure protects against dust, moisture, & accidental contact
• 4-pole configuration ensures complete electrical isolation
• Reduces risk of electrical faults & hazards
• Improves safety for operators & maintenance personnel
• Ensures reliable performance in harsh environments
Mounting & Installation
• Suitable for wall or panel mounting
• Enclosed design allows installation in exposed or semi-outdoor areas
• Extended handle enables operation without opening enclosure
• Compatible with standard industrial electrical systems
• Supports organized & secure wiring setup
Application Domains
• Industrial power distribution systems
• Commercial buildings & facilities
• Generator backup systems
• Outdoor & semi-outdoor installations
• Electrical panels in harsh environments
• Manufacturing & processing units
Key Features
• 100A current rating for medium to high-load applications
• 415V AC operation for three phase systems
• 4-pole configuration for complete isolation
• Stainless steel enclosure for enhanced protection
• Extended handle for safe 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, & external damage, making it suitable for harsh environments.
2. What does 4P mean?
Ans: 4P (four-pole) ensures all conductors including neutral are isolated for maximum safety.
3. What is the purpose of an extended handle?
Ans: It allows the switch to be operated externally without opening the enclosure, improving safety & convenience.
4. Can this switch be used outdoors?
Ans: Yes, the enclosed design makes it suitable for semi-outdoor & exposed installations.
5. What is a manual changeover switch used for?
Ans: It is used to safely switch power between two sources such as mains & generator.
6. Why is full isolation important?
Ans: Full isolation ensures safety during switching & maintenance by completely disconnecting the circuit.
7. Is this suitable for industrial applications?
Ans: Yes, it is ideal for industrial, commercial, & backup power systems requiring safe & reliable operation.
Overview
| Rated Operational Current (A) | 100 |
|---|---|
| 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) | 5 |
| Rated Operational Power (kW) | 50 |
| Rated Breaking Capacity@AC-23A (A) | 800 |




