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.
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40,000+ Australian customers · Australian-owned & operated
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Overview
Deta Miniature Circuit Breaker 20ah is a reliable electrical component designed to protect against overload and short circuit conditions in various applications.
The DETA 20A Miniature Circuit Breaker (MCB) is engineered to safeguard electrical systems from overload and short circuits. With a short circuit capacity of 10kA, this one-pole breaker is 18mm wide and is designed for easy mounting on a 35mm DIN rail. It is suitable for both flush and surface-mounted switchboards or enclosures, ensuring versatility in installation. The contact position indicator provides clear visibility of the breaker's status, making it a practical choice for both residential and commercial electrical systems.
Features
- 10kA short circuit capacity
- Contact position indicator for status visibility
- Easy mounting onto 35mm DIN rail
- Protection against overload and short circuit
- One pole design (18mm wide)
Specifications
| Dimensions (W x H x D) | 18mm x 82mm x 75mm |
| Weight | 0.1kg |
| Material | Nylon |
| Model Number | 6661-20B |
| Maximum Voltage (volts) | 240V |
| Maximum Amperage (amps) | 20A |
The Deta Miniature Circuit Breaker 20ah is designed for effective electrical protection.
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.
AUTOMATION
Smart automation, set and forget
Time-saving design with intuitive controls. Set it once and let it work for you, freeing up your time for what matters most.
AUSSIE SUPPORT
Backed by genuine Australian support
Local warranty, fast dispatch from Sydney, and Australian customer service Mon-Fri. We are a real business with real people, just a phone call away.
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Total price
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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.