01 / 1
Deta 40a Residual Current Operated Circuit Breaker Without Integral Overcurrent Protection is designed to protect against earth fault and leakage currents in electrical systems.
The DETA Residual Current Operated Circuit Breaker (RCB) without Integral Overcurrent Protection is a reliable device that safeguards against earth faults and leakage currents. With a short circuit capacity rating of 10kA and a residual tripping current of 30mA, this circuit breaker is 36mm wide and is designed for easy mounting on 35mm DIN rails. It is suitable for use in both flush and surface-mounted switchboards or enclosures, ensuring versatility in various electrical installations.
| Dimensions (W x H x D) | 36mm x 82mm x 75mm |
| Material | Nylon PA66 |
| Colour | Light Grey |
| Model Number | 6657-40B |
| Maximum Voltage (volts) | 240V |
| Maximum Amperage (amps) | 40A |
The Deta 40a Residual Current Operated Circuit Breaker Without Integral Overcurrent Protection is a critical component for electrical safety.
Specifications will vary by product. Please refer to the product description above or contact us before ordering if you need a specific measurement.
Orders are dispatched from our Sydney and Melbourne warehouses within 1–2 business days of payment. Delivery times from Sydney:
Tracking is provided on dispatch. Remote postcodes may incur additional fees.
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.
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.
12-month Australian warranty on this product unless noted otherwise. The warranty covers manufacturing defects under normal use.
The warranty does not cover:
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
Hand-picked add-ons from the same category — save when you bundle.
A registered Australian business with real local support, transparent pricing, and fair returns.
