LYAS80 SERIES ISOLATION SWITCH

The LYD4-250 is a heavy-duty AC isolator switch designed for large-scale industrial circuits, offering safe manual disconnection and reliable isolation for high-current applications.

🔹 Key Technical Knowledge

Product type: High-current AC Isolator Switch
Rated current: Up to 250A
Function: Manual electrical isolation for maintenance and safety
Application voltage: Low-voltage AC mains
Mounting: Panel mounting with robust mechanical support
Operation: Ergonomic handle for ON/OFF control with clear visual indication
Compliance: IEC / EN standards for low-voltage switchgear
Manufacturer role: Factory-direct production with OEM/ODM capabilities

🔹 Why choose the LYD4-250 AC Isolator Switch?

Designed for high-power industrial circuits and large distribution boards
Phase and neutral disconnection ensures safe maintenance
High mechanical endurance for frequent switching operations
Clear visual ON/OFF indication for easy verification
Compatible with heavy-duty panels and industrial feeders

The LYD4-250 is a heavy-duty AC isolator switch designed for large-scale industrial circuits, offering safe manual disconnection and reliable isolation for high-current applications.

🔹 Key Technical Knowledge

Product type: High-current AC Isolator Switch
Rated current: Up to 250A
Function: Manual electrical isolation for maintenance and safety
Application voltage: Low-voltage AC mains
Mounting: Panel mounting with robust mechanical support
Operation: Ergonomic handle for ON/OFF control with clear visual indication
Compliance: IEC / EN standards for low-voltage switchgear
Manufacturer role: Factory-direct production with OEM/ODM capabilities

🔹 Why choose the LYD4-250 AC Isolator Switch?

Designed for high-power industrial circuits and large distribution boards
Phase and neutral disconnection ensures safe maintenance
High mechanical endurance for frequent switching operations
Clear visual ON/OFF indication for easy verification
Compatible with heavy-duty panels and industrial feeders

🔹Use Cases / Industries

Main distribution boards

Commercial lighting systems

HVAC and pump control panels

FAQ

1. What is the LYAS80 AC isolator switch used for?
The LYAS80 is an AC disconnect switch designed for isolating circuits with rated currents around 80 A, ensuring safe isolation for maintenance and service.

2. What is a visible isolator switch?
An isolator switch with visible break helps technicians confirm the circuit is fully disconnected before work begins, improving safety.

3. What protection purpose does LYAS80 serve?
While it does not provide overcurrent protection, it safely isolates circuits to prevent accidental energization during maintenance.

4. What standards should it meet?
Designed to meet industry safety expectations for manual isolators under IEC/EN guidelines.

5. Is this product suitable for OEM supply?
Yes — as a factory isolator switch supplier, we support OEM branding and high-volume custom production.