Description
Overview
Onesto 40A Changeover Disconnector (Onesto). Listed under DC Protection and delivered to your farm or site. For backup power during load shedding, solar on the farm and power where there is no grid.
- Brand
- Onesto
- Category
- DC Protection
- Code
- SW-0242
- Payment
- EFT on an emailed invoice
Questions about this product
What does delivery cost for the Onesto 40A Changeover Disconnector?
It ships by courier. Delivery in South Africa costs R115, or nothing on orders of R45 000 or more (up to 1,000 kg). To Namibia and Botswana: R785. To Zimbabwe and Mozambique: R995.
What should I check before I buy?
Add up the watts of everything that must run together and the hours per day; that sizes the inverter and battery.
How do I pay?
Place your order online. We email an invoice and you pay by EFT; we ship once payment is received. For 10 or more units we are happy to quote: email info@veldkraft.co.za.
Product details
The Onesto 40A Changeover Disconnector is a DC changeover switch from Onesto for solar and battery installations, rated 40 A. On the DC side, solar strings and batteries can sustain an arc, so the protection must be DC-rated; an AC breaker is not a substitute.
Key details
| Brand | Onesto |
|---|---|
| Type | Changeover switch |
| Side | DC |
| Current rating | 40 A |
| SKU | SW-0242 |
Before you order
- Your electrician specifies ratings to SANS 10142 for the system voltage and current.
- Tell us the inverter, battery and panel layout and we will check the rating before quoting.
More DC protection in protection & switchgear.
Specifications
| Current rating | 40 A |
|---|


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