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.
Covered by the manufacturer’s warranty, on top of your rights under the Consumer Protection Act. Prices include 15% VAT.
More DC protection in protection & switchgear.
Specifications
| Current rating | 40 A |
|---|


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