Onesto 3 Pole 40kA AC Surge Protector

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  • Onesto 3 Pole 40kA AC Surge Protector product image on white background
1 1
BrandOnesto Main collection Surge Protection
SKUBY7-40/3-275
R 925.00
R 925.00
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Key details

Colour Yellow
AvailabilityOut of stock

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Estimated standard deliveryR 120 Standard Delivery 🇿🇦 Spend R 575 more to unlock Free Standard Delivery
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Product information

Product Details

More Surge Protection

Onesto 3 Pole 40kA AC Surge Protector

Onesto 3 Pole 40kA AC Surge Protector is an electrical protection and control component for compatible distribution and switching systems. Its electrical rating and device format must be matched to the circuit design and installation requirements.

Features:

  • Electrical protection or isolation component for compatible distribution systems
  • Designed for circuit control, protection or safe disconnection at the stated electrical rating
  • 3-pole (3P) surge protection for AC systems
  • High surge discharge capacity of 40KA
  • Protects equipment from lightning and power surges
  • Suitable for residential, commercial, and industrial use

Specifications:

  • Brand: Onesto
  • Product Type: Surge Protector
  • Model / MPN: BY7-40/3-275
  • Poles: 3P
  • Surge Capacity: 40KA
  • Voltage Type: AC
  • Installation: Distribution board / Panel mounted

What's in the box:

  • 1 x Onesto 3 Pole 40kA AC Surge Protector

Need to know

Product FAQ

Quick answers based on this product listing and the delivery information shown above.

Is this product currently available?

The selected option is currently unavailable. Choose another option where available or contact Whitehouse for assistance.

What delivery charge applies to this product?

Standard Delivery is R120. Free Standard Delivery applies when the qualifying order value reaches R1500.

Can I collect this product from the store?

Where local pickup is available for the selected variant, the live pickup option and expected collection time are shown in the purchase area above.

How do I confirm that this product is suitable for my application?

Check the specifications, dimensions, compatibility information and manufacturer documents shown on this page. For electrical, installation or compatibility questions, obtain appropriate professional advice where required.

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“Your Order, Our Priority” – Shipping & Returns FAQ

For Your Peace of Mind

When will my order be shipped?

Orders placed before 3 PM on weekdays; Monday to Friday are shipped the same day via Courier Guy or our preferred couriers. Delivery usually takes 1–3 business days for central areas and 2–6 business days for outlying regions within South Africa.

Do you offer free or specialised delivery?

Free Standard Delivery is available for orders over R1,500. Orders below R1500 a Flat R120 Delivery Fee. Bulky items like solar systems, panels, or products that require special handling. Delivery for these items can be arranged based on your location—please contact us via phone, email, or the contact form for a personalized quote.

How can I pay for my order?

We offer multiple secure payment methods through payment gateway of you choice being; PayFast and BobPay as well as EFT. These gateways offer credit/debit cards,  Instant EFT, Apple Pay, Samsung Pay, RCS Store Cards and various other methods. Choose whichever is most convenient for you.

What is your return or exchange policy?

We offer a 30-day full refund or exchange policy. Items must be returned in their original packaging. While the cost of return shipping is the customer’s responsibility, we can arrange courier collection if needed. Exceptions will be considered case by case, in accordance with the Consumer Protection Act. View our full refund policy.

I need a quick quote or have a question—how can I get help fast?

We’re here to assist you! You can reach us in whichever way is easiest for you:

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Call us: +27 83 605 9130
Email: orders@whitehouselightingandelectrical.co.za
Contact form: Fill it out here

We promise to respond quickly and efficiently—your questions and quotes are our priority.

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