WCU1-40 Single Phase AC SPD 40kA | Westhomes Low Voltage Protection
Westhomes WCU1-40 AC surge arrester delivers 40kA protection for 385/275VAC systems. Compact DIN rail design, flame-retardant build & seamless module replacement.
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WCU1-40 Single Phase AC SPD 40kA
Westhomes WCU1-40 AC surge arrester delivers 40kA protection for 385/275VAC systems. Compact DIN rail design, flame-retardant build & seamless module replacement.
Westhomes WCU1-40 AC SPD: 40kA surge protection for 385/275VAC single-phase systems. DIN rail mounting, flame-retardant material & 28 years of low-voltage expertise.
Key Features：
40kA Surge Protection Capacity: Delivers up to 40kA maximum discharge current to shield AC electrical equipment from voltage spikes and lightning strikes.
35mm DIN Rail Mounting: Standard DIN rail installation (matching product design in images) for quick, space-saving setup in electrical panels and enclosures.
28 Years of Manufacturing Expertise: Backed by Westhomes’ decades of low-voltage electrical component experience, ensuring reliable and industry-proven performance.
Enhanced Safety Features: Flame-retardant material, short circuit/overload protection, and high/low temperature resistance for durable operation in harsh environments.
Applications:
Household Electrical Systems
Photovoltaic AC Side Systems
Light Industrial Facilities
Main Technical Parameters
| Model | Rated Voltage(Uo) | Maximum sustained voltageUc(V) | Protection levelUP(KV) | Maximum Current Imax(ka) | Nominal Discharge Current In(ka) | Response Time Ns | TEMP℃ |
| WCU8-D/10 | 230V/400V | 385 | 0.7/10 | 10 | 5 | <25 | -40~+80℃ |
| WCU8-D/20 | 1.5 | 20 | 10 | ||||
| WCU8-C/30 | 2.0 | 30 | 15 | ||||
| WCU8-C/40 | 2.0 | 40 | 20 | ||||
| WCU8-B/60 | 2.3 | 60 | 30 | ||||
| WCU8-B/80 | 3.3 | 80 | 40 | ||||
| WCU8-B/100 | 3.3 | 100 | 60 | ||||
| N-PE | 275/320 | 1.0/1.5 | 20/40/60 | <100 |
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
| Max Discharge Current | 40 kA |
| Application | Electronic Equipment, Industrial, Lightning Protection, Power System, Solar System |
| Model Number | WCU1-40 |
| Brand Name | Westhomes |
| Type | T2 |
| Material | Plastic |
| Place of Origin | Zhejiang, China |
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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