Industrial 4P 100A Isolator | Westhomes WSH3-125 DIN Rail 20-100A 400V
Westhomes WSH3-125 4P 100A DIN rail isolator switch offers 20-100A current, 400V insulation, 2kA withstand current & -5~+40°C operation for industrial use.
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WSH3-125 4P isolating switch! DIN rail mount, 1P-4P flexible configs, 400V safety & -5~+40°C stable operation.
Westhomes WSH3-125 4P 100A DIN rail isolator switch offers 20-100A current, 400V insulation, 2kA withstand current & -5~+40°C operation for industrial use.

The Westhomes WSH3‑125 is a compact DIN‑rail mounted miniature isolating switch designed for reliable circuit control and safe power isolation in low‑voltage electrical systems. Available in a 4‑pole 100A version with a full current range of 20A to 100A, it supports flexible 1P, 2P, 3P, and 4P configurations to fit various industrial and commercial wiring setups.
Key Features:
Customization Support: As an original manufacturer, Westhomes offers custom service for pole/config specs, with 24-hour customer support.
Durable Thermosetting Shell: Rigid thermosetting plastic housing (marked in external specs) ensures mechanical strength and heat resistance.
2kA Short-Time Withstand: Robust 2kA short-time withstand current provides reliable protection against temporary overcurrent surges.
400V Insulation Safety: 400V insulation voltage meets strict industrial safety standards, preventing electrical leakage and short-circuit hazards.
Applications:
Data Center Power Distribution
Renewable Energy Installations
Commercial Building Power Systems
| 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 |

| Selling Units | Single item |
| Quantity (pieces) | 1 – 1,000 | > 1,000 |
| Lead time (days) | 30 | To be negotiated |
| Rated Voltage | 230 V, 400 V |
| Material | Copper |
| Place of Origin | Zhejiang, China |
| Type | Switches |
| Model Number | WSH3-125 |
| Brand Name | Westhomes |
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.
18 months from the date of receivement
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.
Up to the client
We accept T/T, Paypal, Western union, L/C. Normally 30% payment in advance, 70% before delivery.
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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