20-100A DIN Rail Isolator | Westhomes WSH3 1P-4P 400V
Westhomes WSH3 DIN rail isolation switch offers 1P-4P, 20-100A, 400V insulation & 2kA withstand current. Operates -5~+40°C for industrial applications.
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20-100A DIN Rail Isolator
Westhomes WSH3 DIN rail isolation switch offers 1P-4P, 20-100A, 400V insulation & 2kA withstand current. Operates -5~+40°C for industrial applications.
The Westhomes WSH3 DIN rail isolation switch is a Chinese-manufactured miniature electrical component engineered for industrial power control. It offers 1P/2P/3P/4P configurations, a 20A-100A rated current range (up to 125A for 3P), and 400V insulation voltage for superior safety. With a 2kA short-time withstand current and operation from -5°C to +40°C, it delivers reliable performance in harsh environments, while its DIN rail mount and lock device ensure easy installation and accident prevention.
Key Features：
DIN Rail Mount Design: Equipped with an installation buckle (shown in product images) for quick, tool-free mounting on standard DIN rails in electrical panels.
400V Insulation Safety: 400V insulation voltage meets high industrial safety standards, preventing electrical leakage and short-circuit risks.
Safety Lock Device: Integrated lock device and pull rod (visible in product diagrams) prevent accidental power transmission during maintenance.
Customization Support: As an original manufacturer, Westhomes offers custom service for the WSH3 series to match specific application needs.
Applications:
Machinery & Equipment
Renewable Energy Installations
Industrial Electrical Panels
Main Technical Parameters
| Model | WSH3-10018model;WSH3-10027model |
| Rated Current In(A) | 32、40、50、63、80、100 |
| Poles | 1P、2P、3P、4P |
| Selective categories | AC-22A |
| NominalInsulation Voltage Ui(V) | 690 |
| Rated OperationalVoltage Ue(V) | AC230V/AC400V |
| Rated Impulse Withstandvoltage Uimp(kV) | 4 |
| Rated Short Time Current lcw(kA)/1S | 1.2 |
| Rated Short-Circuit AbilityIcm(kA) | 2 |
| Mechanical Endurance | 20000 |
| Electrical Endurance | 10000 |
Packaging and delivery
| Selling Units | Single item |
Lead time
| Quantity (pieces) | 1 – 1,000 | > 1,000 |
| Lead time (days) | 30 | To be negotiated |
Key attributes
| Rated Voltage | 230 V, 400 V |
| Material | Copper |
| Place of Origin | Zhejiang, China |
| Type | Switches |
| Model Number | WSH3-125 |
| Brand Name | Westhomes |
155 MB
FREQUENTLY ASKED QUESTION (FAQ)
About the company
Westhomes® is a professional manufacturer for low voltage and high voltage electrical products with a thirty-year history.
Main supplier of state-owned companies like China Stae Grid, China Southern Power Grid through bidding with bunches of test certificates, sales records and operation performance to support.
Enough investment for research and development for the products innovation.
About warranty
18 months from the date of receivement
About shipment method
Depends on the required quantity and delivery urgency, both international express like UPS / DHL / EMS / HK EMS / FedEx / TNT (door to door service) and normal sea shipping & air freight also avaliable.
About MOQ
Up to the client
About payment method
We accept T/T, Paypal, Western union, L/C. Normally 30% payment in advance, 70% before delivery.
About ordering process
First to send an inquiry via made-in-china platform or directly to the contact e-mail address. All the following thing is the communication between us.
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