LYH8 LSOLATOR

Item No.: LYH8

LYH8 LSOLATOR

Description：

LYH8 isolator is suitable for Ac 50/60Hz,rated current up to 125A, rated voltage one pole 240V,two,three and four poles 415V power distribution and control circuit.It is mainly used as the main switch in terminal combination appliances, and can also be used for the isolation of infrequently connecting and breaking circuits and lines.

The LYD4-400 is a heavy-duty AC isolator switch engineered for high-current industrial circuits, providing reliable manual disconnection and clear visual isolation for safe maintenance.

🔹 Key Technical Knowledge

Product type: Industrial AC Isolator Switch
Rated current: Up to 400A
Function: Manual electrical isolation for maintenance and safety
Application voltage: Low-voltage AC mains
Mounting: Panel or DIN-style mounting with reinforced frame
Operation: Ergonomic handle with clear ON/OFF position
Compliance: IEC / EN standards for low-voltage switchgear
Manufacturer role: Factory-direct production with OEM/ODM capabilities

🔹 Why choose the LYD4-400 AC Isolator Switch?

High-current capacity suitable for heavy industrial circuits
Phase and neutral disconnection ensures safe isolation
Robust construction for frequent switching operations
Clear visual ON/OFF indicator improves operational safety
Designed for integration into industrial panels, machinery, and commercial feeders

🔹 OEM & Manufacturing Advantage

As a specialized manufacturer of AC isolator switches, we provide high-current industrial solutions, OEM/ODM services, bulk supply, and customized technical specifications. LYD4-400 ensures safe isolation, high reliability, and long service life in demanding industrial environments.

🔹Use Cases / Industries

Industrial electrical systems

Commercial panel isolation

Machine tool safety

Service disconnects

Technical Parameter

Electrical Characteristics

Poles

Rated current
(In)

Rated voltage
(Ue)

Ratedinsulation
voltage(Ui)

Rated
frequency

Dielectric
test voltage

1P、2P
3P、4P

32、63、80
100、125A

240/415V

690V

50/60Hz

2000V/1min

Rated impulse
withstand voltage(Uimp)

Ratedshort-time
making capacity(lcm)

Rated short-time
withstand current(IcW)

Usecategory

6kV

20le/1s

12le/ls

AC-22A

Mechanical properties

Mechanical
life

Electric life

Protection class

Reference
temperature
for settingof
thermal element

Ambient
temperature

Storage
temperature

≤below 63A

63A and above

Direct
install

Installed in
distribution box

20000

2500

1500

lp20

lp40

30℃

-25℃+60℃

-25℃+70℃

Other characteristics

Wiringsize

Contact Status
Indication

Fault
Indication

Circuit
identification

Connection

Copper/Hard
Wire

Cord/Hoop
Terminals

1-50mm²

1-35mm²

Top and
bottom

Scope of application

LYH8 isolator is suitable for Ac 50/60Hz,rated current up to 125A, rated voltage one pole 240V,two,three and four poles 415V power distribution and control circuit.It is mainly used as the main switch in terminal combination appliances, and can also be used for the isolation of infrequently connecting and breaking circuits and lines.

It’s widely used in infrastructure, electricity,construction,industry,data center,and other industries.

Compliant with:lEC60947-3，GB14048.3,andobtained CE,CB and Semko.

FAQ

1. What distinguishes the LYH8 isolator switch?
The LYH8 AC isolator switch is designed for robust manual disconnection of medium current AC circuits, providing a physical break in power supply.

2. What operations is it suitable for?
It’s ideal for isolating equipment during maintenance, ensuring worker safety by disconnecting electrical power.

3. How does manual isolation improve safety?
Manual isolation creates a definitive break in the circuit, preventing unintended energization and ensuring safe service conditions.

4. What environments can LYH8 be installed in?
Appropriate for industrial and commercial board installations where clear isolation is required.

5. Does OEM customization apply?
Yes — we provide OEM labels, packaging, and tailored ratings from our isolator switch manufacturing facility.