Westhomes WSH3-100 4P Isolator Switch | 100A 400V 2kA Surge Protection
WSH3-100 4P isolating switch offers 20-100A rating, 400V insulation, 2kA short-time withstand current & -5~+40°C operation. Ideal for 4-phase industrial power isolation.
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Westhomes WSH3-100 4P Isolator Switch
WSH3-100 4P isolating switch offers 20-100A rating, 400V insulation, 2kA short-time withstand current & -5~+40°C operation. Ideal for 4-phase industrial power isolation.
Westhomes WSH3-100 4-Pole Miniature Isolator Switch is engineered for 4-phase industrial power systems, delivering flexible 20-100A current capacity and reliable power isolation. Featuring a thermosetting plastic shell, 400V insulation, and 2kA overcurrent protection, it prevents accidental power transmission and ensures stable operation in harsh -5°C to +40°C environments.
Key Features：
4-Pole Configuration: Optimized for 4-phase power systems, with 1P/2P/3P options for versatile integration..
Broad Current Range: 20-100A rated current adapts to light to heavy-duty industrial load requirements.
Surge Protection: 2kA short-time withstand current defends against overcurrent surges and electrical faults.
Temperature Resilience: Stable performance from -5°C to +40°C for indoor/outdoor industrial environments.
Applications:
4-Phase Power Distribution
Renewable Energy Installations
Agricultural Equipment
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 | WSH3-100 |
| 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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