AC Isolation Switch LYAS5 Series

Description：

The EAS Series AC isolation switches are suitable for switching on and off AC circuit systems, such as in PV systems and air conditioning systems. This weatherproof disconnector is particularly suited for outdoor installation and can achieve IP66 protection level. The base mounted mechanism provides more convenient termination and wiring room.
According to EN60947-3 AS/NZS 60947-3.

The LYAS5 is an AC isolator switch designed for single-pole protection in low-voltage AC distribution networks, ensuring safe disconnection during maintenance and overload scenarios.

🔹 Key Technical Knowledge

Type: Single-pole AC isolator switch
Rated current: 5A
Installation: DIN-rail or panel mounting
Compliance: IEC 60947-3
Manufacturer role: Factory-direct AC isolator switch manufacturer with OEM capabilities

🔹 Why choose LYAS5?

Reliable disconnection under load
Compact design suitable for residential and small commercial panels
High-quality insulation for safety and longevity

🔹 Use Cases / Industries

Residential power distribution
Small commercial buildings
Industrial control panels with low current requirements

🔹 OEM & Manufacturing Advantage

As a professional AC isolator switch factory, we provide bulk supply, OEM branding, and customized options for distributors and panel builders.

Type designation	LYAS5EL/20	LYAS5EL/35	LYAS5EL/63
Ambient temperature	-5°℃ ~+40°C
Interrupting medium	Air
Utilization category	AC-22A
Rated operational voltage (Ue) /current (Ie)	N: AC250V(1P), AC440V(2P/3P/4P) NS:AC250V(1P/2P)
	20A	35A	63A
Rated frequency	50/60Hz
Rated Insulation voltage (Ui)	500 V
Conventional free air thermal current (Ith)	/	/	/
Conventional enclosed thermal current (lthe)	/	/	/
Rated short-time withstand current (Icw)	20A	35A	63A
Rated short-time making capacity (Icm)	0.76kA, 1s
Rated conditional short-circuit current (Icn)	1.5kA
Short circuit protective device	//
Rated lmpulse withstand voltage (Uimp)	4 kV
Overvoltage category	Ⅱ
IP code	IP66
Pollution degree	3
Suitability for isolation	yes

FAQ

1. What applications is the LYAS5 isolator switch used for?
The LYAS5 is an AC isolator switch designed to safely disconnect AC circuits for maintenance and protective isolation.

2. What are isolator switches used for?
They provide a visible mechanical break in the circuit, ensuring safe working conditions for technicians.

3. What protection role does LYAS5 serve?
While not providing automatic overload protection, it ensures circuits are safely de-energized during servicing.

4. Where can this switch be installed?
Typically installed in distribution boards, service panels, and maintenance access points.

5. Is OEM customization available?
Yes — as an isolator switch factory, we offer OEM/ODM customization including logo and color options.