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Deta

DETA 20A 240V RCBO Residual Circuit Breaker with Overload Protection 6645-20B

★★★★★
53 reviews · 476+ sold
$69.45 $104.18 -33% OFF
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Last purchased 14 minutes ago by someone in Brisbane
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The DETA 20A RCBO provides both residual current (earth leakage) and overload protection in a single din-rail module.

  • Model number: 6645-20B
  • Type: RCBO
  • Rated current: 20A
  • Maximum voltage: 240V
  • Poles: 1
  • Mounting: Din rail
  • Material: Nylon PA66
  • Commercial rated: Yes

Used in switchboards to protect a circuit from both earth leakage faults and current overloads.

More about this product

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.

Questions & Answers

What type of breaker is this?

It is an RCBO, combining RCD (earth leakage) and overload protection in one device.

How is it mounted?

It is din-rail mounted and rated to 240V.

What is its current rating?

It is rated at 20A on a single pole.

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 55 reviews
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65%
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
R
Ryan S. 📍 Wollongong NSW
★★★★★
3 weeks ago
✓ Verified Purchase

Highly recommend

Really impressed with the DETA 20A — it looks and feels more premium than the price suggests. Delivery was quick and packaging kept everything safe. No issues at all.

S
Sophie H. 📍 Geelong VIC
★★★★★
1 month ago
✓ Verified Purchase

Great quality

Good quality and arrived ahead of schedule. Very happy.

D
Daniel P. 📍 Hobart TAS
★★★★★
1 month ago
✓ Verified Purchase

Brilliant Aussie deal

Been buying Deta gear for years and this is one of their better ones. The DETA 20A quality is excellent — everything was included and setup took under 10 minutes. Had it at the door in Brisbane within 2 days. My son immediately claimed it for himself so I had to order another. 10 out of 10.

C
Chloe D. 📍 Darwin NT
★★★★★
1 month ago
✓ Verified Purchase

No complaints at all

Exactly as described. Quick shipping. Would buy again.

M
Michael C. 📍 Townsville QLD
★★★★★
1 month ago
✓ Verified Purchase

Works perfectly out of the box

Was exactly what I needed for the price I paid. Arrived well packaged and was easy to set up straight away. Already recommended it to a friend who is also thinking of getting one.

H
Hannah P. 📍 Cairns QLD
★★★★★
1 month ago
✓ Verified Purchase

Worth every cent

Did a lot of comparison shopping before buying here and I have no regrets. Best price I found anywhere and delivery was fast — 3 days to Melbourne. Product feels genuinely premium, not cheap at all. Packaging was solid too, box arrived in perfect shape. Will be back for more.

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