BUILT TO LAST
Designed for Australian conditions
Engineered to withstand the harshest climates and built to last with premium materials, this product is crafted with care for everyday Australian life.
Order in the next 04h 23m for fast dispatch · Same-day from Sydney
40,000+ Australian customers · Australian-owned & operated
01 / 2
Overview
Deta 20a Residual Circuit Breaker with Overload Protection is designed to safeguard electrical circuits from earth faults, overloads, and short circuits in residential and commercial settings.
The Deta 20A Residual Circuit Breaker with Overload Protection (RCBO) is engineered to provide reliable protection against earth fault/leakage currents, overloads, and short circuits. With a short circuit capacity rating of 6kA, it is suitable for both residential and commercial installations. This device features a C-type, 30mA type A residual tripping current and is designed for easy mounting onto a 35mm DIN rail. It operates on a single-phase 1P+N configuration and complies with AS/NZS 61009 standards, making it an ideal choice for hot water and power circuits. The compact design, measuring 18mm in width, allows for installation in flush or surface-mounted switchboards or enclosures.
Features
- Short circuit capacity rating of 6kA for residential and commercial use
- C-type, 30mA type A residual tripping current
- Protection against earth fault/leakage current, overload, and short circuit
- Easy mounting onto 35mm DIN rail
- Single phase 1P+N, compliant with AS/NZS 61009 and ESV listed
Specifications
| Dimensions (W x H x D) | 18mm x 82mm x 75mm |
| Weight | 0.3kg |
| Material | Nylon PA66 |
| Model Number | 6645-20B |
| Maximum Voltage | 240 volts |
| Maximum Amperage | 20 amps |
Deta 20a Residual Circuit Breaker with Overload Protection ensures safety in electrical installations.
Specifications
Specifications will vary by product. Please refer to the product description above or contact us before ordering if you need a specific measurement.
Shipping & Returns
Shipping
Orders are dispatched from our Sydney and Melbourne warehouses within 1–2 business days of payment. Delivery times from Sydney:
- NSW & ACT: 2–5 business days
- VIC & QLD: 2–7 business days
- SA: 3–8 business days
- TAS: 4–10 business days
- WA: 5–10 business days
Tracking is provided on dispatch. Remote postcodes may incur additional fees.
30-day change-of-mind returns
We offer a 30-day change-of-mind return on select unopened products in original packaging (excluding health/safety items or bulk purchases). Email us within 30 days of delivery to start a return.
A restocking fee of 7–25% applies, plus return postage (unless approved otherwise). Customer-incurred postage costs are non-refundable without prior approval.
Faulty or damaged on arrival
If your product arrives faulty or damaged, contact our support team with your order number, photos/videos of the fault, and the original packaging. Do not return items without a return authorisation.
Warranty
12-month Australian warranty on this product unless noted otherwise. The warranty covers manufacturing defects under normal use.
The warranty does not cover:
- Damage caused by misuse, incorrect installation, or modification.
- Damage during delivery (claim under shipping policy instead).
- Normal wear and tear.
To claim warranty: contact our support team with your order number, photos/videos of the fault, and a brief description. We will assess the claim and offer a replacement, repair, or refund as appropriate.
Complete the set
Frequently bought together
Hand-picked add-ons from the same category — save when you bundle.
Total price
$0.00
Recently Viewed Products
Why Aussies Shop With Auzzi
A registered Australian business with real local support, transparent pricing, and fair returns.
Australian Business
ABN 79 670 758 782. Registered in Australia.
Fast Australia-Wide Dispatch
Ships fast from our Sydney + Melbourne warehouses.
Secure SSL Checkout
Card, PayPal, Apple Pay, Google Pay accepted.
30-Day Returns
Change-of-mind returns within 30 days.