
The DETA Miniature Circuit Breaker is a 20A single pole MCB for DIN rail switchboards, providing overcurrent protection.
Install it in a DIN rail switchboard to protect a 20A circuit from overload and short circuit. Electrical work should be carried out by a licensed electrician.
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.
| 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.
20A, single pole.
It mounts on a DIN rail and is rated to 240V.
It is an MCB (miniature circuit breaker).
Fast delivery — impressed
Love my DETA 20A. Does the job perfectly and the price was unbeatable.
Exactly as described
Always buy Deta when I can — consistent quality and you know what you are getting. This one is no different. Fast dispatch and arrived in perfect condition.
Would buy again for sure
Was a bit skeptical ordering online but really glad I did. The item arrived in a sturdy box — nothing rattled or was damaged. Set it up in about 10 minutes and has been working perfectly since. Compared to what I saw in store I saved a solid amount. Will definitely be back.
Good product for the price
Fast delivery to regional WA. Solid product and works exactly as described.
Exceeded my expectations
Bought this as a birthday present and the person loved it. Arrived the day before I needed it which was perfect timing. Great service from SuperSaver AU — really happy.
Solid quality — very happy
Great little DETA 20A — setup was easy and it works perfectly.



